Note: Descriptions are shown in the official language in which they were submitted.
~033057
SPECIFICATION
TRANSFER FILM TRANSFER DEVICE
~INDUSTRIAL FIELDl
The present invention relates to a transfer film
6 transfer device, and more particularly to a transfer
film transfer device for transferring a paint film
suitably mixed with a pigment, a binding agent, a
dispersing agent and the like to a receiving surface
for the purpose of easy erasing or easy pasting of
characters and pictures, and a transfer film transfer
device such as an adhesive film transfer device for
transferring an adhesive layer supported in film form
to a receiving surface of paper for the purpose of
bonding sheets of paper.
[BACKGROUND ART]
Conventionally, when carrying out easy erasing of
characters and pictures or easy pasting of characters
and pictures, or when transferring a paint film
suitably mixed with a pigment, a binding agent, a
dispersing agent and the like to a receiving surface,
or when transferring an adhesive layer supported in
film form to a receiving surface of paper for the
purpose of bonding sheets of paper, a transfer or
pasting operation is effected by applying an ink
eraser, or manually peeling a release sheet disposed
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i~O~30~'7
between films and pressing a film on a receiving
object.
However, such a manual operation is inefficient,
and therefore transfer cannot be effected efficiently
although only a simple operation is involved.
Further, there has been a very strong demand for an
inexpensive transfer film transfer device to be
-~ realized.
The present invention has been made having regard
to such state of the art, and its object is to provide
a transfer film transfer device which solves the above
problem and also allows a used tape to be taken up on
a takeup reel.
~DISCLOSURE OF THE INVENTION]
A transfer film transfer device according to the
present invention is characterized by comprising;
a feed reel for winding and storing, prior to
feeding, a tape having a transfer film formed in film
form which is transferable to a receiving surface by
pressing or heating, and a takeup reel for taking up
the tape fed,
a head for contacting and pressing or heating,
for transfer to the receiving surface, the tape fed
from the feed reel or the transfer film separated from
the tape, and
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a case housin~ the feed reel, takeup reel and
head.
With such a transfer film transfer device t the
transfer film may be transferred to the receivin~
surface easily and reliably by placing the transfer
film in contact with the receiving surface.
Since the construction is simplified, the cost
can be reduced.
The takeup reel is provided so that a used tape
may be taken up on the takeup reel, which is
convenient in use.
Further, it is desirable that the above transfer
film transfer device further comprises frictional
transmission means having a roller disposed in a
torque transmitting portion between the feed reel and
the takeup reel and rotatable following one of the two
reels and having a peripheral surface thereof in
frictional contact with the other reel for frictional
transmission,
wherein the two reels have different diameters or
the frictional transmission means comprises a roller
rotatable with the takeup reel and inscribing an inner
surface of the feed reel, so that the takeup reel has
a takeup rate always equal to or exceeding a feed rate
of the tape by the feed reel, and
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the difference in the two rates is absorbed by
utilizing slippage occurring at the peripheral surface
acting as a frictional contact portion of the roller
According to this construction, the diameter
ratio between the two reels or the ~orm of the
frictional transmission means is such that the takeup
rate i9 always equal to or exceeds the feed rate.
Consequently, the tape fed from the feed reel is taken
up on the takeup reel without relaxing after use.
Since the difference between the two rates is
absorbed by utilizing the slippage, the difference in
rate is canceled out through the absorption utilizing
the slippage although the quantity of the tape wound
and stored on the feed reel and the quantity of tape
wound on the takeup reel vary with use.
Moreover, the frictional transmission means forms
a main component of a drive section of the transfer
film transfer device, which renders the construction
simple and requiring a reduced number of components.
As described above, the tape is taken up reliably
since it is taken up on the takeup reel without
relaxing after use. Further, since the difference in
rate is canceled through absorption utilizing the
slippage, the used tape is reliably taken up on the
takeup reel without breaking, for example. In
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addition, the cost of the transfer film transfer
device is reduced since the main portion of the
transfer film transfer device has a simple con-
struction including a reduced number of components.
The transfer film transfer de~ice of the present
invention may further comprise a circulating endless
body to function as frictional transmission means
provided between a feed-side pulley rotatable with the
feed reel and a takeup-side pulley ratable with the
takeup reel,
the two pulleys having different diameters so
that the takeup reel has a takeup rate always equal to
or greater than a feed rate of the tape by the feed
reel, and
1~ the difference between the two rates is absorbed
by utilizing slippage occurring at least partly
between the circulating endless body and the two
pulleys.
; That is, the tape fed from the feed reel is taken
up on the takeup reel without relaxing after use since
the feed-side pulley and takeup-side pulley have
different diameters so that the takeup rate is always
equal to or greater than the feed rate.
Since the difference between the two rates is
~bsorbed by utilizing the slippage, the dif~erence in
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rqte is canceled out through the absorption utilizing
the slippage although the quantity of the tape wound
and stored on the feed reel and the quantity of the
tape wound on the takeup reel vary with use.
Moreover, the two pulleys and the circulating
endless body wound thereon constitute main components
of the transfer film transfer device1 which renders
the construction simple and requiring a reduced number
of components.
As described above, the tape is taken up reliably
since it is taken up on the takeup reel without
relaxing after use. Further, since the difference in
rate is canceled through absorption utilizing the
slippage, the used tape is reliably taken up on the
takeup reel without breaking, for example. In
` addition, the cost of the transfer film transfer
device is reduced and compactness is achieved since
the main portion of the transfer film transfer device
has a simple construction including a reduced number
of components.
Preferably, the pressure head includes a facial
press portion for facial contact with the transfer
film and pressing it on the receiving surface, a
linear press portion for linear contact in a trans-
verse direction with the transfer film pressed on the
~0330~7
receiving surface and pressing it on the receiving
surface, and urging means for urging the linear press
portion to a position to press the transfer film on
the receiving surface.
According to this construction, the pressure head
is switchable to a position in which the facial press
portion presses the transfer film on the receiving
surface the urging force of the urging means by
pressing the pressure head against the receiving
surface. Then the pressure head is moved with the
facial press portion pressing the transfer film on the
receiving surface to cause the transfer film to adhere
to the receiving surface. After effecting the
adhesion, the pressure head is moved away from the
receiving surface. Then the pressure head is switchedunder the urging force of the urging means to a
position in which the linear press portion con-
centratedly presses a part of the transfer film on the
receiving surface. At this time, the linear press
portion presses, on the receiving surface, a down-
stream end of the adhering transfer film with respect
to a direction of movement of the pressure head,
namely an adhesion terminal end. Thus, when a tension
-~acts on the transfer film with movement of the
~25 pressure head away from the receiving surface, the
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~0330~
adhesion terminal end of the transfer film is readily
separable along the straight linear press portion
concentratedly pressing the terminal end. Con-
sequently, the transfer film has the terminal end in a
substantially fixed linear shape.
It is thus possible to cause the transfer film to
adhere to the receiving surface reliably with a sub-
stantially uniform adhesive strength by the pressing
action of the facial press portion of the pressure
head. In addition, when separating the transfer film
in the direction of feed, the adhesion terminal end of
the transfer film may be formed in a substantially
- fixed shape by the action of the linear press portion
of the pressure head. These achieve an excellent and
1~ reliable transfer of the transfer film to the
receiving surface.
The transfer tape may be wound in a pancake form
on the feed reel, with a pressure contact mechanism
provided for causing a pressure contact between an
outer periphery of the transfer tape as wound and an
outer periphery of the transfer tape taken up on the
takeup reel, rotation of the pancake-like transfer
tape and rotation of the takeup reel being interlocked
through the pressure contact caused by the pressure
contact mechanism. This construction has the
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following advanta~es.
The feed rate of the transfer tape and the takeup
rate thereof may be maintsined at substantially the
same rate despite a reduction in the diameter of the
pancake-like transfer material and an increase in the
winding diameter of the transfer tape taken up on the
takeup reel occurring with use of the transfer tape.
Consequently, there is no need for a slip mecha-
nism as required where the rotary shaft of the
; 10 transfer material and the rotary shaft of the takeup
reel are interlocked through a gear mechanism, which
allows for a simplified construction.
Where the pressing section causes an entire width
of the transfer film formed on the tape to be
transferred to the receiving surface, the takeup reel
takes up only the base material stripped of the
transfer film. This is convenient in achieving a neat
and facilitating stability of the pressure contact by
the pressure contact mechanism.
Preferably, the pressure head includes a linear
edge formed downstream of a pressure surface with
respect to a running direction of the head and
- extending transversely of the tape, the pressing
` surface and an imaginary plane including the linear
edge and contacting a peripheral surface of the case
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cross each other with the case in between. This
construction has the following functional advantages.
The case, with the pressure surface of the
pressure head pressing the paint film on the receiving
surface, may be swung on the edge downstream with
respect to the running direction of the pressure head.
Thus, at the transfer terminal position, the edge is
used to hard press the downstream end, with respect to
the running direction of the pressure head, of the
paint film pressed by the pressure surface, to form a
linear strong adhesion portion extending transversely
of the edge at the transfer terminal position of the
paint film. The paint film is readily breakable along
the linear strong adhesion portion when a tension acts
on the paint film with movement of the edge away from
the receiving surface. This forms the transfer
terminal end of the paint film in a linear fixed
shape.
Thus, the paint film may be transferred with a
substantially uniform adhesive strength with the
pressure surface of the pressure head from transfer
starting position to transfer ending position, with
the transfer terminal end of the paint film formed in
a substantially fixed shape.
Preferably, a running means is provided for
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;~03;~15'^~
causing the tape fed from a storage section storing
the tape to be fed, to run along a fixed path, a
scraper pressed on the transfer film of the tape
running along the fixed path for separating the
5 transfer film from the base material, and a pressing
section for pressing on and transferring to the
receiving surface the transfer film separated by the
scraper. This construction has the following
advantages.
10With running of the tape) the transfer paint film
is separated from the base material by the action of
the scraper, and only the separated transfer paint
film is pressured by the pressing section for transfer
to the receiving surface.
15Since only the separated transfer paint film is
pressured by the pressing section on the receiving
surface, the transfer paint film once caused to adhere
to the receiving surface does not easily become peeled
regardless of the adhesive strength of the transfer
paint film relative to the receiving surface and to
; the base material. Thus, the transfer paint film may
be transferred to the receiving surface reliably.
The scraper and the pressing section may be
:.,,
arranged non-adhesive to the transfer film. This
allows the transfer film to run smoothly from the
. .
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:
scraper to the pressing section.
The pressing section may be defined by a
peripheral surface of a pressure roller for guiding
the transfer film separated by the scraper toward the
receiving surface, a cutter being provided for cutting
the transfer film wound on the pressure roller. This
allows the transfer terminal end of the transfer film
to have a fixed shape.
Where the head is capable of varying a pressing
or heating width for the paint film transversely of
the tape, the following advantages are assured.
The paint film may be transferred in varied
widths even if the tape has a paint film having a
fixed width, by varying a width of pressing or heating
by the head. Thus, a convenient paint film transfer
device is provided which can vary the transfer width
; of the paint film according to a desired width of the
range of the receiving surface even where a tape
having a paint film of a fixed width is used.
-The transfer section that heats and soften or
fuse the heat sensitive transfer paint film of the
tape for transfer to the receiving surface may be
rotatable in contact with the pressure sensitive
transfer film to heat and soften or fuse the pressure
sensitive transfer film, the softened or fused
"
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pressure sensitive transfer film being transferred in
the softened or fused state from the base material of
the tape to a peripheral surface of the heating
roller, and with rotation of the heating roller the
pressure sensitive transfer film transferred to and
held on the peripheral surface being transferred to
the receiving surface. This construction has the
following advantages.
The heat sensitive transfer film is transferred
from the base material to the peripheral surface of
the heating roller, and the heat sensitive transfer
film transferred to and held on the peripheral surface
of the heating roller is transferred to the receiving
surface.
15The heat sensitive transfer film is first
transferred in the softened or fused state from the
base material to the peripheral surface of the heating
roller, and the heat sensitive transfer film
. .
; transferred to and held on the peripheral surface of
the heating roller is transferred to the receiving
surface, instead of transferring the heat sensitive
, . .
: paint film supported on the base material directly to
the receiving surface. The heat sensitive transfer
film once caused to adhere to the receiving surface
does not readily peel off and therefore does not
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;~03~
damage the receiving surface even if the heating
roller acting as a heating element inadvertently
become lifted from the receiving surface to
discontinue heating.
That is, the heat sensitive transfer film to be
transferred is heated and softened or fused as
sandwiched between the heating roller and the
receiving surface, and the periphery of the heating
roller is in contact with the softened or fused heat
sensitive transfer film. Therefore, even if the
- periphery of the heating roller should inadvertently
, become lifted from the receiving surface, the
periphery of the heating roller and the heat sensitive
' transfer film to be transferred would readily
',' 15 separate, and the heat sensitlve transfer film once
, caused to adhere to the receiving surface does not
readily peel,off.
~Further, a construction may be provided which
;comprises a storage section storing a tape to be fed,
which tape has a heat sensitive type adhesive layer
formed on one face of a base material, a heating and
pressing member for application that heats and presses
a heat sensitive type adhesive layer of the tape to
transfer it to a receiving surface 9 a feed mechanism
for feeding the tape from the storage section as the
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heating and pressing member for application is run
while being pressed on the receiving surface, and
feeding the heat sensitive type adhesive layer to a
heating and pressing surface of the heating and
pressing member for application, and heating and
pressing means for bonding to heat and press the heat
sensitive type adhesive layer again which has been
applied to the receiving surface. This construction
; has the following advantages.
When the heating and pressing member for applica-
tion is run as pressed along a desired receiving
surface position, the tape is fed from the storage
section and the heat sensitive type adhesive layer is
delivered to the heating and pressing surface of the
;15 heating and pressing member for application. The
transfer film thus delivered is successively heated
and pressed for application to the receiving surface.
A thin object such as paper to be bonded is
placed on an upper surface of the adhesive layer
applied to the receiving surface, and the heating and
pressing means is used for heating and pressing again
to complete a bonding operation.
~-~Instead of sandwiching the heat sensitive type
adhesive layer not having developed adhering strength
between bonding surfaces, the heat sensitive type
~0330~7
adhesive layer is applied in advance, by heating and
pressing, to the receiving surface which is one of the
bonding surfaces. Thus, there is no possibility of
the heat sensitive type adhesive layer alone becoming
S displaced between the bonding surfaces, which assures
a bonding position not displaced from what is desired.
This construction allows the tape having the heat
sensitive type adhesive layer formed on one face of
the base material to be fed with running of the
heating and pressing member for application, the heat
sensitive type adhesive layer being fed successively
,;to the heating and pressing surface for application to
the receiving surface. The heat sensitive type
adhesive layer applied to the receiving surface is
heated and pressed again by the heating and pressing
means for bonding. Thus, a bonding operation as a
whole may be carried out efficiently and conveniently.
;Where a case having a coating transfer means
includes a film removing device for removing the
coating film transferred to the receiving surface, the
transfer material transferred outside a transfer
region by an error in handling the case may be removed
promptly with the film removing device.
Thus, in the event of a transfer operation error,
the unwanted transfer film transferred outside a
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X0330~7
transfer region may be removed easily and ~uickly
without the need to search for a cutter or the like as
in the prior art.
The film removing device may comprise a scraper
switchable between a use position projecting outwardly
. of the case and a non-use position contained in the
case. In this case, when the scraper acting as the
film removing device is out of use, a situation may be
avoided in which a finger or the like becomes hurt by
a sharp part of the scraper. This provides the
advantage of securing safety in a normal transfer film
transfer operation.
Further, the film removing device may includP a
tape with an adhesive layer formed on one face of a
film-like base material and having a greater adhesive
strength than cohesion between the receiving surface
and the transfer film, a tape storage for storing the
; tape to be fed, and a pressure head for pressing the
adhesive layer of the tape unwound and fed from the
tape storage. According to this embodiment, the
pressure head pressed on an unwanted transfer film
transferred outside a transfer region. In this state,
the pressure head is moved upstream with respect to a
direction of tape feed. Thereafter, the tape is moved
away from the receiving surface, thereby peeling the
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` unwanted transfer film in one stroke, to carry out the
film removal operation speedily.
;The case may include a rotatable film removing
member for removing the transfer film transferred to
the receiving surface , and a torque applying means
manually operable for applying torque to the film
removing member. This construction has the following
advantage.
Since the case per se that has the transfer film
transfer device includes the film removing member of
the manually rotatable type, when the transfer film is
transferred outside a transfer region on the receiving
surface, the unwanted transfer film outside the
transfer region may be removed promptly by placing the
film removing member in contact with the transfer film
outside the transfer region and forcibly rotating the
film removing member by a manual operation.
Thus, in the event of a transfer operation error,
the unwanted transfer film transferred outside the
transfer region may be removed easily and quickly
without the need to search for a cutter or the like as
in the prior art. Moreover, little effort is required
since the film removing member is rotatable under
manual control, which also allows the construction as
a whole simple and compact.
-18-
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~o~o~
A removing means may be disposed on a running
path of the tape fed from a storage section storing
the tape to be fed, upstream of a position opposed to
the head, for removing a side of the transfer film
from the tape in a way to vary a removal width. This
construction has the following advantage.
The paint film may be transferred in varied
widths even if the tape has a paint film having a
fixed width. This is achieved by pressing or heating
the paint film after removing a side of the paint film
in a selected width from the tape.
Thus, a convenient device is provided which can
vary the transfer width of the paint film according to
a desired width of the range of the receiving surface
even where a tape having a paint film of a fixed width
is used.
[BRIEF DESCRIPTION OF THE DRAWINGS]
Fig. 1 is a side view in vertical section of a
transfer film transfer device according to the present
invention; Fig. 2 is a perspective view showing a use
state thereo~; Fig. 3 is a side view in vertical
section of a further embodiment; Fig. 4 is a partly
broken away plan sectional view showing a still
further embodiment; Fig. 5 is a side view in vertical
'
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sectioD of a principal portion of Fig. 4; Fig. 6 is an
explanatory view showing a use state; Fig. 7 is a
partly broken away plan sectional view of a transfer
film transfer device in a still further embodiment;
6 Fig. 8 is a plan sectional view of a principal portion
of Fig. 7; Figs. 9 (a), (b), (c~ are explanatory views
of a use method; Figs. 10 (a), (b) are plan sectional
views of a principal portion showing a transfer film
transfer device in a still further embodiment; Fig. 11
is a plan sectional view of a transfer film transfer
device in a still further embodiment; Fig. 12 is a
sectional view taken on line XII-XII of Fig. 11; Fig.
13 is a side view of a principal portion of Fig. 12;
Fig. 14 is a side view of a principal portion of a
still further embodiment; Fig. 15 is a plan view of a
principal portion; Fig. 16 is a plan view of the
principal portion; Fig. 17 is a sectional view taken
on line XVII-XVII of Fig. 16; Fig. 18 is a plan
sectional view of Fig. 14; Fig. 19 is a plan sectional
view showing only a case; Fig. 20 is a partly broken
away plan sectional view of a transfer film transfer
device in a still further embodiment; Figs. 21 (a),
(b), (c), (d) are explanatory view of a use state;
Fig. 22 is a partly broken away plan sectional view of
a transfer film transfer device in a still further
, .
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embodiment; Fig. 23 is a sectional view taken on line
XXIII-XXIII of Fig. 22; Fig. 24 is a sectional view
taken on line XXIV-XXIV of Fig. 22; Fig. 25 is a plan
sectional view of a principal portion of a transfer
film transfer device in a still further embodiment;
Fig. 26 is a sectional view taken on line XXVI-XXVI of
Fig. 27 showing a partly broken away plan sectional
view of a transfer film transfer device in a still
further embodiment; Fig. 27 is a partly broken away
plan sectional view; Fig. 28 is a plan view of a
transfer film transfer device in a still further
embodiment; Fig. 29 is a partial sectional view taken
on line XXIX-XXIX of Fig. 28; Fig. 30 is a sectional
view of a principal portion of Fig. 28; Fig. 31 is a
partly broken away plan sectional view of a transfer
film transfer device in a still further embodiment;
Fig. 32 is a sectional view taken on line XXXII-XXXII
of Fig. 31; Fig. 33 is a sectional view taken on line
XXXIII-XXXIII of Fig. 31; Fig. 34 is a partly broken
away plan sectional view of a transfer film transfer
device in a still further embodiment; Fig. 35 is a
sestional view of a principal portion of Fig. 34;
Figs. 36 (a), (b) are explanatory view of a use
method; Fig. 37 is a partly broken away plan sectional
view of a transfer film transfer device in a still
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further embodiment; Fig. 38 is a partly broken away
plan sectional view of a transfer film transfer device
in a still further embodiment; Fig. 39 is a sectional
view taken on line XXXIX-XXXIX of Fig. 38; Fig. 40 is
6 a sectional view taken on line XXXX-XXXX of Fig. 38;
Fig. 41 is a partly broken away plan sectional view of
a transfer film transfer device in a still further
embodiment; Fig. 42 is a sectional view of a principal
portion of Fig. 41; Fig. 43 is a partly broken away
plan view showing an operation for removing an
unwanted pressure sensitive transfer ink film; Fig. 44
is an enlarged fragmentary sectional view of a
transfer film transfer device in a still further
embodiment; Fig. 45 is a plan sectional view of a
transfer film transfer device in a still further
embodiment; Fig. 46 is an enlarged sectional view of a
principal portion of Fig. 45; Fig. 47 is a sectional
view of a principal portion showing an operation for
removing an unwanted pressure sensitive transfer ink
film; Fig. 48 is a plan sectional view of a transfer
film transfer device in a still further embodiment;
Fig. 49 is a sectional view of a principal portion
showing an operation for removing an unwanted pressure
sensitive transfer ink film; Fig. 50 is a plan
sectional view of a transfer film transfer device in a
)3~0S7
still further embodiment; Fig. 51 is a sectional view
of a principal portion showing an operation for
removing an unwanted pressure sensitive transfer ink
film; Fig. 52 is a plan sectional view of a transfer
film transfer device in a still further embodiment;
Fig. 53 is a sectional view of a principal portion
showing an operation for removing an unwanted pressure
sensitive transfer ink film; Fig. 64 is a plan
sectional view of a transfer film transfer device in a
still further embodiment; Fig. 55 is a side sectional
view of a principal portion; Fig. 56 is a sectional
view of a principal portion showing an operation for
removing an unwanted pressure sensitive transfer ink
film; Fig. 57 is a plan sectional view of a transfer
film transfer device in a still further embodiment;
Fig. 58 is a side sectional view of a principal
portion; Fig. 59 is a side sectional view of a
principal portion of a transfer film transfer device
~in a still further embodiment; Fig. 60 and Fig. 61 are
; 20 explanatory views showing processes of removing an
unwanted pressure sensitive transfer ink film; Fig. 62
is side sectional view of a transfer film transfer
device in a still further embodiment; Fig. 63 is a
developed sectional view of Fig. 62; Fig. 64 is a
partly broken away plan sectional view of a transfer
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203~05~
film transfer device in a still further embodiment;
Fig. 65 is an enlarged view of a principal portion
thereof; Fig. 66 is a side view showing the principal
portion thereof; Fig. 67 is a partly broken away plan
5 sectional view of a transfer film transfer device in a
still further embodiment; and Fig. 68 is a side view
showing a principal portion thereof.
[BEST MODE FOR CARRYING OUT THE INVENTION~
Embodiments of the present invention will be
described hereinafter with reference to the drawings.
In Fig. 1 and Fig. 2, 1 is a picture revising
tape 1 having a white pressure sensitive transfer
paint film lightly adhering in film form to a base
material. A feed reel 2 holding the picture revising
tape 1 wound thereon in a roll form to be fed out, and
a pressure head 5 for pressing on a receiving surface
4 the pressure sensitive transfer paint film of the
tape 1 fed from the feed reel 2, are mounted in a case
6, which constitute a principal portion of a paint
film transfer device which is one example of transfer
film transfer devices according to the present
invention.
The feed reel 2 and a takeup reel 7 each comprise
a combination of an approximately ring-like main body
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~033Q57
2a, 7a acting as a core for winding the tape 1, a
pivoted part 2b, 7b extending coaxially with the main
body 2a, 7a and inserted and supported, while
containing a compression coil spring 8, 9, in a pivot
hole 6a, 6b defined in a suitable position of the case
6. The main bodies 2a, 7a of the two reels 2, 7 are
in the 1:1 inside diameter ratio, but the outside
diameter ratio is set so that the takeup reel 7 has a
takeup rate always equal. to or exceeding a feed rate
of the tape 1 by the feed reel 2 (specifically, the
taken-up tape winding diameter is equal to or greater
than the feed tape winding diameter even when the tape
1 is fed little from the feed reel 2).
A spherical roller 10 is disposed at a torque
transmitting portion between the feed reel 2 and the
takeup reel 7 to contact edges of inside diameter
surfaces of the main bodies 2a, 7a thereof. The
~ roller 10 is urged from the feed reel 2 and from the
! takeup reel 7 by the action of the springs 8, 9,
-
`: 20 thereby to be prevented from falling off and to secure
frictional forces occurring at contact portions of the
above-mentioned edges. The roller 10 has a peripheral
surface at one side thereof in frictional contact with
an inner surface of the main body 2a of the feed reel
2, to roll following rotation of the feed reel 2, and
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the rolling movement rotates the takeup reel 7 through
a frictional contact of a peripheral surface at the
other side thereof with the main body 7a of the takeup
reel 7. Thus, the roller 10 acts as frictional
transmission means F between the feed reel 2 and
takeup reel 7. The difference between the feed rate
of the feed reel 2 and the takeup rate of the takeup
reel 7 is absorbed by utilizing slippage occurring on
the peripheral surfaces serving as frictional contact
portions of the roller 10.
The tape 1 fed from the feed reel 2 passes
through the pressure head 5 where the paint film is
pressure-transferred to the receiving roll surface 4,
and is thereafter taken up on the takeup reel 7. The
tape 1 becomes twisted in its running paths and, in
order to eliminate saggin~ of the tape 1 due to the
twist, guide rollers 11, 12 in the form of truncated
cones are provided adjacent the feed reel 2 and takeup
reel 7, respectively.
With this transfer film transfer device, the tape
fed from the feed reel is taken up on the takeup reel
without relaxing after use since the outside diameter
ratio between the two reels 2, 7 is set so that the
takeup rate is alwa~s equal to or greater than the
feed rate. The difference in rate is absorbed and
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~0~0~;7
canceled out by utilizing slippage on the peripheral
surfaces of the roller 10. Moreover, the drive
section of the transfer film transfer device has a
simple construction and includes a small number of
6 components, with the frictional transmission means F
using the roller forming a main element thereof.
The shape of the roller 10 need not be spherical
but may be in the form of a ball on an abacus, for
example.
A different embodiment will be described next.
As shown in Fig. 3, an embodiment is conceivable
where the frictional transmission means F comprises a
cylindrical roller 13 having a small diameter, which
inscribes the inner surface of the feed reel 2 and
extends sideways from the takeup reel 7 to be rotat-
able in unison with the takeup reel 7. In this case,
the rotational force of the feed reel 2 is
frictionally transmitted to the takeup reel 7 through
the cylindrical roller 13 having a small diameter.
Consequently, the takeup reel 7 rotates at a higher
speed than the feed reel 2, whereby the rate of taking
up the film 1 by the takeup reel 7 is always equal to
or greater than the rate of feeding the film 1 by the
feed reel 2. Moreover, the difference between the two
rates is absorbed by slippage occurring on peripheral
~:0;~305~
surfaces of the roller 13.
The foregoing embodiments are applicable to a
paint film transfer device used for pasting characters
and pictures and an adhesive film transfer device used
6 for bonding paper together as well as a paint film
transfer device used for picture revision.
The present invention is applicable also to a
transfer film transfer device of the type in which the
head contacts and transfers the transfer film after
the transfer film is separated from the tape. The
present invention is applicable also to a transfer
film transfer device of the type in which the transfer
film is heated and transferred by the head.
In the foregoing embodiments J the drive is
primary-transmitted to the feed reel. The transfer
film transfer device may be constructed such that the
drive is primary-transmitted to the takeup reel to
rotate the takeup reel, the torque thereof being
frictionally transmitted to the feed reel through the
described roller to rotate the feed reel.
A further embodiment will be described.
In Figs. 4-6 (Fig. 6 shows a use state~, 1 is a
picture revising tape 1 having a white pressure
sensitive transfer paint film la lightly adhering in
film form to a ~ase material lb. A storage section 3
-28-
~03~057
having a feed reel 2 holding the picture revising tape
1 wound thereon in a roll form to be fed out, and a
pressure head 5 for pressing on a receiving surface 4
the pressure sensitive transfer paint film la of the
5 tape 1 fed from the storage section 3, are mounted in
a case 6, which constitute a principal portion of a
paint film transfer device which is one example of
transfer film transfer devices according to the
present invention.
The tape 1 runs from the feed reel 2 past a
pressure surface 5a of the pressure head 5 to be taken
up on the takeup reel 7 rotatable on an axis
approximately parallel to a rotational axis of the
feed reel 2. The feed reel 2 and takeup reel 7 are
operatively interconnected through an interlocking
mechanism 21 provided laterally inside the case 6. As
the tape l is fed from the feed reel 2, the base
material lb is taken up on the takeup reel 7 after the
paint film la acting as a transfer film is transferred
by the pressure head 6.
The interlocking mechanism 21 comprises a rubber
belt 20 acting as a circulating endless body to
function as a frictional transmission means provided
between a feed-side pulley 18 rotatable with the feed
reel 2 and a takeup-side pulley 19 ratable with the
-29-
;~03~71
takeup reel 7 to circulate in frictional contact with
the two pulleys 18, 19. The two pulleys 18, 19 have
different diameters so that the takeup reel 7 has a
tak~up rate always equal to or greater than a feed
6 rate of the tape 1 by the feed reel 2. Specifically,
the feed-side pulley 18 is set to a large diameter and
the takeup-side pulley 19 to a small diameter so that
the takeup rate is equal to or greater than the feed
rate even when the winding diameter of the tape 1
wound on the takeup reel 7 is at maximum.
Moreover, the difference between the two rates
which varies every moment during use is absorbed by
utilizing slippage occurring at least partly between
the rubber belt 20 and the two pulleys 18, 19.
1~ With this transfer film transfer device, the tape
1 fed from the feed reel 2 is taken up on the takeup
reel 7 without relaxing after use since the feed-side
pulley 18 and takeup-side pulley 19 have different
diameters so that the takeup rate is always equal to
or greater than the feed rate.
Since the difference between the two rates is
absorbed by utilizing slippage occurring at least
partly between the rubber belt 20 and the two pulleys
18, 19, the difference in rate is canceled out through
the absorption utilizing the slippage although the
-30-
;~33~7
~uantity of tape 1 wound and stored on the feed reel 2
and the quantity of tape 1 wound on the takeup reel
vary with use.
The circulating endless body may comprise an
element other than a rubber belt, such as a strap.
However, a chain or other element that does not
involve slippage is unacceptable.
The above embodiment is applicable to a paint
film transfer device used for pastin~ characters and
pictures and an adhesive film transfer device used for
bonding paper together as well as a paint film
transfer device used for picture revision.
The present invention is applicable also to a
transfer film transfer device of the type in which the
head contacts and transfers the transfer film after
the transfer film is separated from the tape. The
present invention is applicable also to a transfer
film transfer device of the type in which the transfer
film is heated and transferred by the head.
In the above embodiment, the drive is primary-
transmitted to the feed reel. The present invention
~ .
is applicable also to a transfer film transfer device
constructed such that the drive is primary-transmitted
to the takeup reel to rotate the takeup reel, the
torque thereof being frictionally transmitted to the
-31-
`"~
;~0330~
feed reel throu~h the described roller to rotate the
feed reel.
A transfer film transfer device in a further
embodiment will be described.
5 In Fig. 7, a case 6 includes a storage section 3
having a feed reel 2 holding a picture revising tape 1
wound thereon in a roll form to be fed out, the
picture revising tape 1 having a white pressure
sensitive transfer film la lightly adhering in film
form to a base material lb, and a pressure head ~ for
pressing on a receiving surface 4 the pressure
sensitive transfer film la of the tape 1 fed from the
storage section 3 and transferring the transfer film
la to the receiving surface 4.
1~ The tape 1 runs from the feed reel 2 past the
pressure head 5 to be taken up on the takeup reel 7
rotatable on an axis approximately parallel to a
rotational axis of the feed reel 2. The feed reel 2
and takeup reel 7 are operatively interconnected
through an interlocking mechanism 21 provided
: laterally inside the case 6. As the tape 1 is fed
from the feed reel 2, the base material lb is taken up
on the takeup reel 7 after the transfer film la is
transferred by the pressure head ~.
The interlocking mechanism 21 comprises a rubber
. ~
-32-
`:
'`;
,~ ,
,
~330~
transmission belt 20 wound around a large diameter
pulley 18 fixed to the feed reel 2 and a small
diameter pulley 19 fixed to the takeup reel 7. The
takeup reel 7 has a higher rotational rate than the
feed reel 2 so that the takeup rate of the takeup reel
7 always exceeds the feed rate of the feed reel 2 in
spite of variations in the winding diameters of the
tape 1 on the reels 2, 7. The difference between the
takeup rate of the takeup reel 7 and the feed rate of
the feed reel 2 is absorbed by slippage occurring~
between the transmission belt 20 and the pulleys 18,
19, to positively take up the tape 1 on the takeup
reel 7 while avoiding an excessive tension acting on
the tape 1.
The tape 1 has a resin or paper base material lb
with a release layer formed of silicone resin or the
like, and a transfer film la including a pigment, a
binding agent, a dispersing agent and the like and
lightly adhering thereto through the release layer.
The transfer film la has an adhesive layer formed
thereon for adhesion to the receiving surface 4.
The pressure head 5 has an appro~imately
triangular construction, as seen in side view,
including a facial press portion 5a for facial contact
with the transfer film la and pressing it on the
-33-
;:0330~
: receiving surface 4, and a linear press portion 5b for
linear contact in a transverse direction with the
transfer film la pressed on the receiving surface 4
and pressing it on the receiving surface 4.
The pressure head 5 is attached to the case 6 to
be rotatable on a transverse axis X, and a spring S is
provided to act as urging means for urging the linear
press portion 5b to a position to press the transfer
film la on the receiving surface 4. The pressure head
5 is switchable between a first position in which the
facial press portion 5a presses the transfer film la
on the receiving surface 4, to which the pressure head
5 is rotatable counterclockwise against the urging
force of the spring S by pressing the pressure head 5
against the receiving surface 4, and a second position
in which the linear press portion 5b presses the
transfer film la, to which the pressure head 5 is
rotatable clockwise under the urging force of the
spring S.
A method of using the transfer film transfer
dev~ce in this embodiment will be described next with
reference to Figs. 9 (a~, lb), (c).
As shown in Fig. 9 (a), the case 6 is held in a
hand and the pressure head 5 is pressed on the
~25 receiving surface 4 to switch the pressure head 5 to
: -34-
'.~
;::03305~
.
the first position. Thereafter the case 6 is moved to
cause the transfer film la to adhere through the
adhesive layer (not shown) to the receiving surface
over a desired range.
Next, when the case 6 is lifted from the
receiving surface 4, as shown in Fig. 9 (b), the
pressure head 5 is switched to the second position
under the urging force of the spring S. At this time,
the linear press portion 5b presses on the receiving
surface ~ a downstream end of the adhering transfer
film with respect to a direction of movement of the
pressure head. Thus, the adhering terminal end of the
transfer film la is positively separable along the
straight linear press portion 5b. As shown in Fig. 9
16 (c), the transfer film la may be transferred with the
terminal end in a substantially fixed linear shape.
In the condition in which the pressure head 6 is
switched to the second position Isee Fig. 9 (b)~ under
the urging force of the spring S after the pressure
head ~ causes the transfer film la to adhere to the
receiving surface 4, the case 6 may be pressed
downwardly to positively cut the adhesion terminal end
of the transfer film la with the linear press portion
~b.
2~ Numeral 29 in Fig. 7 and Fig. 8 is a stopper for
:
;~ -3~-
.
."
~o~os~
limiting rotation of the pressure head 5. A further
clockwise rotation from the second position shown in
Fig. 8 is prevented by contact with the stopper 29.
In the above embodiment, the facial contact
5 portion 5a and linear contact portion 5b of the
pressure head 5 are formed integrally, but may be
formed separately.
In the above embodiment, the linear press portion
~b is urged by the spring S to the position to press
the transfer film la on the receiving surface 4.
However, as shown in Figs. 10 (a), (b)~ the facial
press portion 5a of the pressure head 5 may be formed
of an elastically deformable elastic material, with
the linear press portion 5b formed of a hard material
such as a metal or a hard plastic and attached to a
tip end of the facial press portion 5a. By pressing
the pressure head 5 on the receiving surface 4, the
facial press portion 5a is elastically deformable to
the position to press the transfer film la in facial
contact on the receiving surface 4.
The above embodiment uses the tape 1 having the
transfer film la adhering to the base material lb.
Where the transfer film la itself has a sufficient
tensile strength, the transfer film la may comprise
2 only the transfer film la without the base material
-36-
~0~3057
lb.
A transfer film transfer device in a further
embodiment will be described.
Fig. 11 shows a transfer tape holder having a
5 feed reel 2 and a takeup reel 7 rotatably supported in
a case 6 integral with a pressure head 1 having a
pressure surface 5a acting as a transfer section. A
transfer tape 1 comprising a transferable pressure
sensitive transfer layer la formed under pressure on
one face of a base material lb is rotatably supported
such that the transfer material 1 is wound in a
- pancake form on the feed reel 2 with an adhesion face
directed radially inwardly. A pay-out portion P is
formed which pays out the transfer tape 1 with
rotation of the transfer material 1. The transfer
tape 1 paid out of the pay-out portion P is wound
through a guide 39 onto the pressure surface of the
pressure head 5, and further wound on the takeup reel
7 to be taken up on the peripheral surface of the
takeup reel 7 with rotation thereof.
A supported portion 7b acting as a rotar~ shaft
of the takeup reel 7 is supported to be mo~able toward
: a rotational axis X of the feed reel 2 along slots 7c
formed to extend through inner and outer surfaces of
the case 6.
~`
-37-
~0~;~0~7
As shown in Fig. 12, compression springs are
provided which comprise thin plate members 7d formed
integral with the case 6 to project to inside faces of
the slots 7c and elastically deformed into a boomerang
shape in a direction of a plane including the a~is of
the rotary shaft 7b. These compression springs 7d
constitute a pressure contact mechanism 100 for urging
the rotary shaft 7b and providing a pressure contact
between an outer periphery of the pancake-like
transfer material 1 and an outer periphery of the
transfer tape 1 taken up on the takeup reel 7.
Rotation of the pancake-like transfer material 1
and rotation of the takeup reel 7 are interlocked
through the pressure contact provided by the pressure
contact mechanism 100. By moving the entire case in
the direction of an arrow, with the transfer film 5b
. pressed on the receiving surface 4, the transfer film
. 5b is transferred over the full force to the receiving
surface 4, the transfer tape 1 is paid out of the pay-
,~ 20 out portion P, and at the same time the takeup reel 7
` is rotated to take up the base material lb.
A tension is applied to the transfer tape 1 in a
. running path between the pressure head 5 and takeup
reel 7 in order to prevent sagging even when a pay-out
rate of the transfer tape 1 is slightly higher than
,
: -38~
:
: ' :
:
~0330~7
its takeup rate.
As shown in Fig. 13, the tension is applied by an
oscillatable rod member 6h in an L-shaped form having
an oscillatable arm 6e projecting into a perforation
6c formed in the case and a pressure member 6d
projecting toward an inner face of the case, which are
formed integral with the case 6, the arm being
elastically deformed to place the pressure member 6d
in contact with the transfer tape 1.
Fig. 19 shows the case 6 in this embodiment with
the feed reel 2 and takeup reel 7 not assembled. In
this state, the thin plate members 7d to act as the
compression springs and the oscillatable arm 6e for
applying the tension are integral with the case 6
without being elastically deformed.
Fig. 14 and Fig. 15 show compression springs in a
different embodiment for pressing the rotary shaft 7b
of the takeup reel 7 toward the rotational axis X of
the feed reel 2. The compression springs comprise
; 20 thin plate members 7d formed integral with the case 6
in a cantilever fashion to extend along the slots 7c,
and elastically deformed in the direction of a plane
perpendicular to the axis of the rotary shaft 7b.
Other arrangements are the same as in the above
embodiment.
-39-
~03~Q~7
Fig. 16 and Fig. 17 show a pressure contact
mechanism 100 in a different embodiment for providing
a pressure contact between an outer periphery of the
pancake-like transfer material 1 and an outer
periphery of the transfer tape 1 taken up on the
takeup reel 7. The case 6 defines bores 6g continuous
with the slots 7c for supporting the rotary shaft 7b.
Thin plate members 6f are formed inte8ral with the
case 6 to project in a cantilever fashion along the
bores 6g. The thin plate members 6f are elastically
deformed along the direction of movement of the rotary
shaft 7b to contact the rotary shaft 7b, thereby to
urge and press the takeup reel 7.
Other arrangements are the same as in the above
1~ embodiment.
Fig. 18 shows an embodiment in which the pancake-
like transfer material 1 is mounted on the feed reel
2, with the transfer tape 1 wound in a pancake form
having the adhesion face thereof directed radially
:
outwardly.
Other arrangements are the same as in the above
embodiment.
:
The pressure contact mechanism may be modified
~, such that the feed reel has a movably supported rotary
shaft and the feed reel is urged and pressed.
,:
0--
~,
:
. ~ ' .
~0~30~
The transfer tape after passing through the
transfer portion may be taken up on the takeup reel
while being caused to adhere lightly, to prevent the
transfer tapes from slipping relative to each other
when the takeup reel is rotated.
The transfer portion is not limited to the type
that causes the transfer layer formed on the base
material to be transferred throughout its entire width
to the receiving surface.
10The transfer film is not limited to the pressure
sensitive transfer film but may be a pressure
sensitive thermal transfer film or adhesive paste.
In the case of a heat sensitive transfer film, a
- heating element may be provided on the pressure
surface of the transfer section.
The pressure contact mechanism may be constructed
such that the takeup reel is formed of an elastic
material such as rubber, with the rotary shaft thereof
supported at a fixed position, to secure a pressure
contact by means of elastic deformation of the takeup
reel.
A transfer film transfer device in a further
embodiment will be described hereinafter.
Fig. 20 shows a paint film transfer device
comprising a case 6 including a storage section 3
-41-
;~3~0~7
having a feed reel 2 holding a picture revising tape 1
wound thereon in a roll form to be fed out, the
picture revising tape 1 having a white pressure
sensitive transfer film la lightly adhering in film
form to a base material lb, and a pressure head 5 for
pressing on a receiving surface 4 the pressure
sensitive transfer film la of the tape 1 fed from the
storage section 3 and transferring the transfer film
la to the receiving surface 4.
The tape 1 runs from the feed reel 2 past a
pressure surface 5a of the pressure head 5 to be taken
up on the takeup reel 7 rotatable on an axis
approximately parallel to a rotational axis of the
~: feed reel 2. The feed reel 2 and takeup reel 7 are
operatively interconnected through an interlocking
: mechanism 21 provided laterally inside the case 6. As
the tape 1 is fed from the feed reel 2, the base
- material ib is taken up on the takeup reel 7 after the
paint film la is transferred by the pressure head 5.
As in Fig. 4, the interlocking mechanism 21
comprises a rubber transmission belt 20 wound around a
large diameter pulley 18 fixed to the feed reel 2 and
-~ a small diameter pulley 19 fixed to the takeup reel 7.
The takeup reel 7 has a higher rotational rate than
2~ the feed reel 2 so that the takeup rate of the takeup
-42-
330~
reel 7 always exceeds the feed rate of the feed reel 2
in spite of variations in the winding diameters of the
tape I on the reels 2, 7. The difference between the
takeup rate of the takeup reel 7 and the feed rate of
the feed reel 2 is absorbed by slippage occurring
between the transmission belt 20 and the pulleys 18,
19, to positively take up the tape 1 on the takeup
reel 7 while avoiding an excessive tension acting on
the tape 1.
The pressure head 5 includes a linear edge 49
formed downstream of the pressure surface 5a with
respect to the running direction of the pressure head
and extending transversely of the tape. The pressing
i surface 5a and an imaginary plane T including the
linear edge 48 and contacting a peripheral surface 6i
of the case 6 cross each other with the case 6 in
between.
The tape 1 has a resin or paper base material lb
with a release layer formed of silicone resin or the
like, and a paint film la including a pigment, a
binding agent, a dispersing agent and the like and
lightly adhering thereto throu~h the release layer.
The paint film la has an adhesive layer formed thereon
for adhesion to the receiving surface 4.
A method of using the paint film transfer device
:
-43-
~03~05~
in this embodiment will be described next with
reference to Figs. 21 (a) through ~d).
As shown in Fig. 21 (a), the case 6 is held in a
hand and the edge 49 of the pressure head 5 is fixed
to an end of a desired range of the receiving surface
.
Next, as shown in Fig. 21 (b), the case 6 is
swung on the edge 49 downstream with respect to the
direction of tape feed, to place the pressure surface
5a of the pressure head 5 along the receiving surface
4. Thereafter, the pressure head 5 is run upstream
with respect to the direction of tape feed while
pressing the transfer film or paint film la on the
, receiving surface 4. At this time, the paint film la
is transferred to the receiving surface 4 through the
adhesive layer, and the tape 1 is forcibly fed from
the feed reel 2. At the same time, the base material
lb separated from the paint film la is taken up on the
takeup reel 7.
Next, as shown in Fig. 21 (c), at a transfer
~~ ending position the case 6 is swung on the edge 49
upstream with respect to the direction of tape feed,
to press hard a transfer terminal end of the paint
film la with the edge to æecure a sufficient adhesion
of the paint film la to the receiving surface 4 along
-4~-
~)330~7
the width of the edge 49.
When the case 6 is lifted from the receiving
surface 4, as shown in Fig. 21 ~d), the transfer
terminal end of the paint film la is cut in a sub-
stantially fi~ed linear shape.
Where the pressure sensitive transfer paint filmitself has a sufficient tensile strength, the tape may
comprise only the pressure sensitive transfer paint
film without the base material.
A transfer film transfer device in a further
embodiment will be described hereinafter.
Fig. 22 shows a transfer film transfer device
comprising a case 6 including a storage section 3
having a feed reel 2 holding a picture revising tape 1
wound thereon in a roll form to be fed out, the
picture revising tape 1 having a white pressure
sensitive transfer film la lightly adhering in film
form to a base material lb, and a pressure head 5
integral with the case 6 and including a scraper 5c
pressed on the paint film la of the tape 1 fed from
the storage section 3 for separatin~ the paint film la
from the base material lb, and a pressing surface 5a
for pressing on and transferring to a receiving
surface 4 the paint film la separated by the scraper
5c.
-45-
~0~30~7
A roller 27 is supported behind the pressure
surface 5a of the head 5. The tape 1 runs from the
feed reel 2 around the roller 27, with an end thereof
fixed to a takeup reel 7. As shown in Fig. 23, the
roller 27 is urged by plate springs 27a to press the
scraper 6c.
As shown in Fig. 22 and Fig. 24, the feed reel 2
..has main bodies 2a in the form of a pair of left and
. right rotatable wheels with peripheral surfaces 2d
.10 covered by anti-slip rubber and projecting outwardly
of the case 6, so that the feed reel 2 is rotatable by
rolling on the receiving surface 4. The feed reel 2
and takeup reel 7 are operatively interconnected
through a rubber transmission belt 20 wound around a
16 large diameter pulley 18 fixed to the feed reel 2 and
- a small diameter pulley 19 fixed to the takeup reel 7.
Thus, a running means R is formed such that the case 6
;`i5 held in a hand and moved with the peripheral
surfaces 2d of the rotatable wheels 2a placed in
-20 contact with and rolled along the receiving surface 4.
Consequently, the tape 1 is fed from the feed reel 2,
and at the same time the base material lb after being
used in transfer is run along a fixed path while being
taken up.
26 Because of the relationship in size between the
~-
-~6-
~033057
pulleys 18, 19, the takeup reel 7 has a higher
rotational rate than the feed reel 2 so that the
takeup rate of the takeup reel 7 always exceeds the
feed rate of the feed reel 2 in spite of variations in
5 the winding diameters of the tape 1 on the reels 2, 7.
The difference between the takeup rate of the takeup
reel 7 and the feed rate of the feed reel 2 is
absorbed by slippage occurring between the trans-
mission belt 20 and the pulleys 18, 19, to positively
take up the tape 1 on the takeup reel 7 while avoiding
an excessive tension acting on the tape 1.
A transfer mechanism for the paint film la will
be described next.
The tape 1 is run by the action of the running
means ~ when the device is moved rightward in Fig. 22
with the pressure surface 5a of the head 5 and the
peripheral surfaces 2d of the rotatable wheels 2a
contacting the receiving surface 4.
The tape has the base material lb taken up on the
takeup reel 7 while running as supported between the
scraper 5c and roller 27. The paint film la is
separated from the base material lb by the scraper 5c,
and pressed by the pressure surface 5a to be
transferred to the receiving surface 4.
Where the paint film la has a small tensile
-47-
~033057
strength, it is desirable that a separation starting
position of the scraper 5c and a press starting
position of the pressure surface 5a are as close to
each other as possible.
The tape 1 has a resin or paper base material lb
with a release layer formed of silicone resin or the
like, and a paint film la including a pigment, a
binding agent, a dispersing agent and the like and
adhering thereto through the release layer. The paint
film la has an adhesive layer formed thereon for
adhesion to the receiving surface 4.
The paint film transfer device according to the
present invention presses only the paint film
separated from the base material on the receiving
surface~ Therefore, not only is the paint film once
caused to adhere to the receiving surface easily
separable, the paint film la is flexed, though
slightly, when the paint film la is separated by the
scraper 5c. The paint film la in a thin film form has
a film holding strength lowered by a shear force due
to the flexion. A paint film portion adhering to the
receiving surface and a paint film portion not
adhering to the receiving surface are positively
separated by a pressing edge of the transfer surface
5a. The transfer is completed in an excellent form
:
-~8~
~o~o~
without the transfer terminal end of the paint film la
formed unevenly.
The scraper 5c and pressure surface ~a of the
head 5 are surfacially coated with a known fluororesin
not adhesive to the paint film la.
Fig. 25 shows an embodiment in which the scraper
~c and pressure surface ~a are formed separately. The
case 6 supports a pressure roller 37 defining a
pressure surface 5a peripherally thereof. The paint.
1~ film la separated from the base material lb by the
scraper 5c is wound on the pressure roller 37 and
guided to the receiving surface 4, and is pressed and
transferred by the peripheral surface of the pressure
roller 37.
16 The case 6 includes a cutter 31 formed integral
therewith forwardly of the pressure roller 37 to be
elastically deformable toward and away from the peri-
pheral surface of the pressure roller 37. The case 6
is tilted at a transfer ending position to press the
cutter 31 against the receiving surface 4 for elastic
deformation toward the pressure roller 37, thereby to
cut the paint film la with a blade portion 31a
thereof. Consequently, the paint film la has a
transfer terminal end in a linear shape approximately
2~ perpendicular to the width of the tape.
-49-
X033~7
,:
According to this embodiment, the transfer is
carried out by moving the case 6 leftward in Fig. 25.
Therefore, the winding direction of the tape 1 with
respect to the reels 2, 7 may be reversed from the
5embodiment shown in Fig. 22, the tape 1 being wound on
vthe feed reel 2 to have the paint film la facing the
reel axis.
Where a tape having a heat sensitive transfer
film formed on a base material is used, the paint film
10 transfer device may have the head 5 or pressure roller
-37 in the embodiments formed of a heat resisting
material and a heating element provided on the
pressing surface 5a.
A transfer film transfer device in a further
15 embodiment will be described hereinafter.
Fig. 27 shows a paint film transfer device
comprising a case 6 including a storage section 3
having a feed reel 2 holding a picture revising tape 1
wound thereon in a roll form to be fed out, the
20 picture revising tape 1 having a white pressure
sensitive transfer film la lightly adhering in film
form to a base material lb, and a pressure head 5 for
pressing on a receiving surface 4 the paint film la of
the tape 1 fed from the storage section 3.
The tape 1 runs from the feed reel 2 past a
-50-
~V~:~30~
`:
pressure surface 5a of the pressure head 5 to be taken
up on the takeup reel 7 rotatable on an axis appro-
ximately parallel to a rotational axis of the feed
. reel 2. The feed reel 2 and takeup reel 7 are
5 operatively interconnected through an interlocking
mechanism 21 provided laterally inside the case 6. As
the tape 1 is fed from the feed reel 2, the base
material lb is taken up on the takeup reel 7 after the
paint film la is transferred by the pressure head 5.
10The interlocking mechanism 21 comprises a rubber
transmission belt 20 wound around a large diameter
pulley 18 fixed to the feed reel 2 and a small
diameter pulley 19 fixed to the takeup reel 7. The
takeup reel 7 has a higher rotational rate than the
15feed reel 2 so that the takeup rate of the takeup reel
7 always exceeds the feed rate of the feed reel 2 in
spite of variations in the winding diameters of the
tape 1 on the reels 2, 7. The difference between the
takeup rate of the takeup reel 7 and the feed rate of
20the feed reel 2 is absorbed by slippage occurring
between the transmission belt 20 and the pulleys 18,
19, to positively take up the tape 1 on the takeup
` reel 7 while avoiding an excessive tension acting on
the tape 1.
25The pressure head 5 includes a linear edge ~9
30S7
formed downstream of the pressure surface 5a with
respect to the running direction of the pressure head
and extending transversely of the tape. The pressing
surface 5a and an imaginary plane T including the
linear edge 48 and contacting a peripheral surface 6i
of the case 6 cross each other with the case 6 there-
between.
As shown in Fig. 261 the pressure head 5 includes
a stationary head A fixed to the case 6, and retract-
able heads B, C slidable relative to the case 6. The
retractable heads B, C may be moved inwardly or
outwardly as appropriate to place pressure surfaces
B1, C1 thereof flush with a pressure surface A1 of the
stationary head A, to vary a pressing width of the
pressure head 5 relative to the paint film la trans-
versely of the tape.
~ o describe a retracting structure for theretractable heads B, C, through holes B2, C2 elongated
in the direction of projection and retraction are
formed in the retractable heads B, C, and springs B3,
C3 are mounted between inner surfaces of the through
holes B2, C2 and proximal ends of engaging pieces A2,
A3 integral with the stationary head A for urging the
retractable heads B, C so that the pressure surfaces
B1, C1 are retracted inwardly of the case 6, the
-~2-
~O~IOS~
retracted positions being maintained through contacts
between the case 6 and tops B5, C5 of the retractable
heads B1 C exposed to outer surfaces of the case 6.
When the heads B5, C5 of the retractable heads B,
C are pressed against the force of the springs B3, C3,
engaging portions B4, C4 integral with the retractable
heads B, C descend while elastically deforming the
engaging pieces A2, A3. The pressure surfaces Bl, C1
are maintained, by contacts between the engaging
portions B4, C4 and engaging pieces A2, A3, in
projecting positions approximately flush with the
pressure surface A1 of the stationary head A.
Next, for reducing the pressing width, one or
both of the retractable heads B, C is/are retracted.
When control portions A4, A5 of the engaging pieces
A2, A3 are pressed toward the stationary head A, the
contacts between the engaging portions B4, C4 and
engaging pieces A2, A3 are broken, whereby the
retractable heads B, C are switched to the retracted
position under the forces of the spring B3, C3.
` A different embodiment will be described.
Fig. 28 and Fig. 29 show a pressure head 5 in a
different embodiment, in which the pressure head 5
defines three types of pressure surfaces 5a having
different pressing widths and out of phase with each
-33-
~0;1~0~7 `
other peripherally thereof, and is securely fitted on
elastically deformable support plates 6j, 6k integral
with the case 6. By selecting a fitting position of
the pressure head 5 relative to the support plates 6j,
5 6k, the pressure surfaces 15a for contacting the tape
1 are changeable to vary the pressing width for the
paint film la transversely of the tape.
The pressure head 5 has a rotary shaft member 5d
formed integral with one end thereof, and a stepped
shaft member 5f formed integral with the other end
thereof and including a rotary shaft portion 5g and a
different diameter shaft portion 5e. One of the
support plates 6j, 6k defines a fitting bore 6m for
rotatably receiving the rotary shaft member 5d, and
the other defines a fitting bore 60 including a rotary
shaft receiving portion 6p for receiving the rotary
shaft portion 5g of the stepped shaft member 5f and a
~- different diameter shaft receiving portion 6n for
. ~
receiving the different diameter shaft portion 5e.
For changing the pressure surfaces 5a to vary the
pressing width, one or both of the support plates 6j,
6k istare elastically deformed to disengage the
different diameter shaft portion 5e and the different
diameter shaft receiving portion 6n. Then the
~ 25 pressure head 5 is rotated to project a pressure
:'
~ -~4-
~0;~305~
surface ~a having a desired pressing width out of the
case 6, which is locked by re-engaging the different
diameter shaft portion 5e and the different diameter
shaft receiving portion 6n.
A further embodiment will be described
hereinafter.
Fig. 30 shows a heating head 41 for transferring
a heated portion of a paint film la to a receiving
surface 4. This heating head 41 has a flexible con-
struction having a metallic foil 41b acting as a
heating material applied to a heat resistant resin
sheet 41a such as polyester resin acting as a
reinforcing material and having a heat resisting
temperature on the order of 100C to 200C. One end
thereof is fixed to the case 6 and connected to a
heating circuit (not shown), and the other end is
pulled inwardly of the case 6 by a spring 41c. An
intermediate portion thereof is in contact with a
support member 41d movable and fixable transversely of
the tape. A metallic foil portion between a position
fixed to the case 6 and a position contacting the
support member 41d contacts the tape 1 to heat the
paint film.
The support member 41d is movable transversely of
the tape by pushîng and pulling at a control portion
Z0330~7
~le, to vary a heating width for the paint film la
transversely of the tape.
The heating material may be formed by vapor
deposition of a metal on the sheet 41a.
A pressure or heating head may include a
plurality of removable contact members, so that the
pressing or heating width for the paint film trans-
versely of the tape is variable by suitably mounting
or removing the contact members.
A pressure or heating head may include a
plurality of oscillatable contact members, so that the
pressing or heating width for the paint film
transversely of the tape is variable by suitably
oscillating the contact members away from contact
1~ positions.
For transferring the paint film to the receiving
surface by heating, the pressure head in the foregoing
embodiments may include a heating element.
A transfer film transfer device in a further
embodiment will be described hereinafter.
; Fig. 31 shows a paint film transfer device
comprising a case 6 including a storage section 3
having a feed reel 2 holding a picture revising tape 1
wound thereon in a roll form to be fed out, the
2~ picture revising tape 1 having a white pressure
-56-
~033~57
sensitive transfer film la lightly adhering in film
form to a base material lb, and a head 5 provided on
the case 6 and acting as a transfer section for
heating and softening or fusing the heat sensitive
transfer paint film la of the tape 1 fed from the
- storage section 3.
The tape 1 runs from the feed reel 2 and wound on
a rotating roller 27, with an end thereof fixed to a
t k reel 7
a eup
As shown in Fig. 31 and Fig. 33, the feed reel 2
has main bodies 2a in the form of a pair of left and
right rotatable wheels with peripheral surfaces 2d
covered by anti-slip rubber and projecting outwardly
of the case 6, so that the feed reel 2 is rotatable by
rolling on the receiving surface 4. The feed reel 2
and takeup reel 7 are operatively interconnected
through a rubber transmission belt 20 wound around a
large diameter pulley 18 fixed to the feed reel 2 and
a small diameter pulley 19 fixed to the takeup reel 7.
Thus, a running means R is formed such that the case 6
is held in a hand and moved with the peripheral
surfaces 2d of the rotatable wheels 2a placed in
contact with and rolled along the receiving surface 4.
Conse~uently, the tape 1 is fed from the feed reel 2,
and at the same time the base material lb after being
-57-
~0:~30~7
used in transfer is run along a fi~ed path while being
taken up.
Because of the relationship in size between the
pulleys 18, 19, the takeup reel 7 has a higher
rotational rate than the feed reel 2 so that the
takeup rate of the takeup reel 7 always e~ceeds the
feed rate of the feed reel 2 in spite of variations in
the winding diameters of the tape 1 on the reels 2, 7.
The difference between the takeup rate of the takeup
reel 7 and the feed rate of the feed reel 2 is
absorbed by slippage occurring between the trans-
mission belt 20 and the pulleys 18, 19, to positively
take up the tape 1 on the takeup reel 7 while avoiding
an excessive tension acting on the tape 1.
The transfer section 5 includes the rotating
roller 27 on which the tape 1 is wound, and a heating
roller 45 rotatable with a peripheral surface 45a
contacting the paint film la of the tape wound on the
rotating roller 27.
The heating roller 45 has an electric heating
element mounted on the peripheral surface 45a, and is
supported to be movable between a sandwiching
: position, as shown in Fig. 32, to sandwich the tape 1
with the rotating roller 27 and a releasing position
for canceling the sandwich, which is normally
-58-
30~
maintained in the releasing position by plate springs
5d.
Electrification of the heating element is started
when the heating roller 45 is placed in contact with
6 the receiving surface 4 and moved to the sandwiching
position against the urging force of the plate springs
45c.
A transfer mechanism for the paint film la will
- be described next.
When the heating roller 45 is placed in contact
with and pressed on the receiving surface ~, the
: heating roller 45 moves to the sandwiching position
and electrification of the heating element is started.
When, in this state, the rotatable wheels 2a are
placed in contact with the receiving surface 4 and
moved leftward in Fig. 31, the tape 1 runs by the
action of the running means R.
At this time, the peripheral surface 45a of the
heating roller 45 contacts the paint film la and
rotates while heating and softening or fusing the
paint film la. The softened or fused paint film la is
transferred from the base material lb to the
peripheral surface 45a and retained thereon in the
softened or fused state.
; 25 At the same time, with rotation of the heating
-59-
~330~7
roller 45, the paint film la held on the peripheral
surface 45a successively contacts the receiving
surface 4 to be cooled, thereby adhering and being
transferred to the receiving surface 4.
The tape 1 has the heat sensitive transfer paint
film la adhering in a film form to a resin or paper
base material lb. The paint film la is caused to
adhere to the receiving surface 4 with a thermoplastic
resin such as ethylene-vinyl acetate copolymer being
;: 10 heated and softened or fused.
A power source for the heating element may
comprise a battery mounted in the case 6 or an
external source may be used therefor.
A further embodiment will be described herein-
after with reference to the drawings.
Fig. 34 shows an adhesive applying device
comprising a case 6 including a storage section 3
having a feed reel 2 holding a tape 1 wound thereon in
a roll form to be fed out, and a head 5 acting as an
applying, heating and pressing section for heating and
pressing a heat sensitive type adhesive layer la,
acting as a transfer film, of the tape 1 fed from the
storage section 3 for application to a transfer-
receiving or application-receiving surface 4. The
tape has a base mate~ial lb with the heat sensitive
-60-
20330~7
type adhesive layer la includin~ wax, plasticizer,
tackifier, antioxidant, filler and the like added to a
base polymer such as ethylene-vinyl acetate copolymer,
ethylene-acrylic ester copolymer, polyamide,
5 polyester, polycarbonate, cellulose derivative,
polyvinyl acetal, phenoxy resin or the like
The tape 1 runs from the feed reel 2 past a
heating and pressing surface 5a of the pressure head 6
to be taken up on a takeup reel 7 rotatable on an a~is
approximately parallel to a rotational axis of the
feed reel 2. The feed reel 2 and takeup reel 7 are
operatively interconnected through an interlocking
mechanism 21 provided laterally inside the case 6. As
the tape 1 is fed from the feed reel 2, the adhesive
1~ layer la is supplied to the heating and pressing
surface 5a of the head 5, and at the same time the
base material lb is taken up on the takeup reel 7
after the adhesive layer la is transferred. This
construction provides a feed mechanism K.
The interlocking mechanism 21 comprises a rubber
transmission belt 20 wound around a large diameter
reel 2a fixed to the feed reel 2 and a large diameter
pulley 19 fixed to the takeup reel 7. The takeup reel
7 has a higher rotational rate than the feed reel 2 so
that the takeup rate of the takeup reel 7 always
-61-
'
- ~ ` ~
~0~ 7
e~ceeds the feed rate of the feed reel 2 in spite of
variations in the winding diameters of the tape l on
the reels 2, 7. The difference between the takeup
- rate of the takeup reel 7 and the feed rate of the
~ feed reel 2 is absorbed b~ slippage occurring between
: the transmission belt 20 and the pulle~s 2a, 19, to
positively take up the tape 1 on the takeup reel 7
while avoiding an excessi~e tension acting on the tape
1.
10As shown in Fig. 35, a ratchet wheel llOa is
provided on a side of the small diameter pulley l9
opposed to an inner surface of the case 6. The case 6
has a ratchet pawl llOb fi~ed thereto for engaging the
ratchet wheel llOa. These constitute a ratchet mecha-
15nism llO for preventing backward rotation of the
takeup reel 7 when the tape is pulled toward the feed
reel 2, thereby avoiding the base material lb one
taken up on the takeup reel 7 being paid out. As
described later, the head 5 is used also as a bonding
20heating and pressing means.
An electric heating element is mounted on the
heating and pressing surface 5a of the head 5. When a
switch SW1 is depressed with a finger, the heating
element is electrified by a battery mounted in the
- 25case 6. The heating element may be connected to an
-62-
.
-; . .
~0330~
external source to be electrified by operating the
switch SW1.
A method of using the adhesive applying device in
- this embodiment will be described next with reference
6 to Figs. 36 (a), (b).
As shown in Fig. 36 (a), the case 6 is held in a
hand and an edge 32 of the head 5 is pressed on one
end of a desired adhesion range of the receiving
surface 4 which is one of the adhesive-receiving
surfaces. When the device is moved in this state in
the direction of an arrow with the switch SWl
depressed, the feed mechanism K forcibly feeds the
tape 1 from the feed reel 2, with the adhesive layer
la supplied to the heating and pressing surface 5a,
16 whereby the adhesive layer la is softened or fused and
applied to the receiving surface 4. At this time, the
base material lb after the adhesive layer la is
applied is taken up on the takeup reel 7.
Next, as shown in Fig. 36 (b), a thin receiving
material such as a thin sheet of paper acting as the
other adhesive-receiving surface is placed on the
adhesive layer la already applied, and the heating and
pressing surface 5a of the head 5 is pressed thereon.
When the device is moved in this state in the
direction opposite to the direction in which the
-63-
2~30~
adhesive layer la is applied, with the switch SWl
depressed, the already applied adhesive layer la is
softened or fused again between the receiving surfaces
4, 4a, without a further supply of the adhesive layer
5 la, whereby the two receiving surfaces 4, ~a are
bonded together through the adhesive layer la.
Thus, the heating and pressing member 5 for
application is used also as a heating and pressing
means for bonding purposes.
In this case, the ratchet mechanism 110 is
operative to eliminate the possibility of the base
material lb taken up on the takeup reel 7 being
forcible paid out.
Fig. 37 shows a construction which dispenses with
the ratchet mechanism 110 provided in the above
embodiment for preventing backward rotation of the
takeup reel 7, and includes a heating trowel 51
mounted on the case 6 to act as a heating and pressing
means for bonding in addition to the head 5. When
bonding the receiving surfaces 4, 4a by heating and
pressing the already applied adhesive layer la without
applying the adhesive layer la to the receiving
surface 4, a switch SW2 is depressed to electrify the
heating trowel 51, and this heating trowel 51 is used
for the heating and pressing.
;
-64-
~0330~
Fig. 38 through Fig. 40 show a still further
embodiment. As shown in Fig. 38 and Fig. 40, the feed
reel 2 has main bodies 2a in the form of a pair of
left and right rotatable wheels with peripheral
5 surfaces 2d covered by anti-slip rubber and projecting
outwardly of the case 6, so that the feed reel 2 is
rotatable by rolling on the receiving surface ~. The
feed reel 2 and takeup reel 7 are operatively inter-
connected through a rubber transmission belt 20 wound10 around a large diameter pulley 18 fixed to the feed
reel 2 and a small diameter pulley 19 fixed to the
takeup reel 7. Thus, a feed mechanism K is formed
; such that the case 6 is held in a hand and moved with
the peripheral surfaces 2d of the rotatable wheels 2a
placed in contact with and rolled along the receiving
surface 4. Consequently, the tape 1 is fed from the
feed reel 2 with the adhesive layer la supplied to the
: heating and pressing surface 5a, and at the same time
the base material lb after the adhesive layer la is
applied is run along a fixed path while being taken
up .
The case 6 includes a rotating roller 27 on which
the tape 1 is wound, and a heating roller 45 acting as
, a heating and pressing member for application purposes
which is rotatable with a peripheral surface 45a
. ~
-65-
X0330~7
contacting the adhesive layer la of the tape wound on
the rotating roller 27. The heating roller 45 has an
electric heating element mounted on the peripheral
surface 45a acting as a heating and pressing surface,
and is supported to be movable between a sandwiching
position, as shown in Fig. 39, to sandwich the tape l
with the rotating roller 27 and a releasing position
for canceling the sandwich, which is normally
maintained in the releasing position by plate springs
5d.
Electrification of the heating element is started
when the heating roller 45 is placed in contact with
the receiving surface 4 and moved to the sandwiching
position against the urging force of the plate springs
45c.
When the heating roller 45 is placed in contact
with and pressed on the receiving surface 4, the
heating roller 45 moves to the sandwiching position
and electrification of the heating element is started.
When, in this state, the rotatable wheels 2a are
placed in contact with the receiving surface 4 and
moved leftward in Fig. 38, the tape 1 runs by the
action of the feed mechanism K.
At this time, the peripheral surface 45a of the
heating roller 45 contacts the adhesive layer la and
-66-
rotates while heating and softening or fusing the
adhesive layer la. The softened or fused adhesive
layer la is transferred from the base material lb to
the peripheral surface 45a and retained thereon in the
5 softened or fused state.
At the same time, with rotation of the heating
roller 45, the adhesive layer la held on the peri-
pheral surface ~a is successively pressed on the
receiving surface 4 to be applied thereto.
When a thin receiving material such as paper
acting as the other adhesive-receiving surface 4a is
placed on the adhesive layer la applied to the
receiving surface 4, and the adhesive layer la is
softened or fused again from above to bond the two
receiving surfaces 4, 4a together, the switch SW2
depressed, as in the foregoing embodiment, to
electrify the separately provided heating trowel 51
acting as the heating and pressing means for bonding
purposes, and this heating trowel 51 is used for the
;i 20 heating and pressing to achieve bonding.
.j
"~ The adhesive applying device according to the
present invention n~ay be used, after applying the heat
sensitive type adhesive layer to a thin adhesive-
receiving material such as paper, to adhere this
2~ adhesive-receiving material to a selected location.
.~
:;,
~ -6~-
,'
: ' .
~: :
X0330~
A transfer film transfer device in a further
embodiment will be described.
. Fig. 41 shows a revising coat film transfer
device for erasing characters or pictures formed on a
receiving surface 4 such as recording paper, a display
plate or the like. This device has a plastic case 6
which may be held in one hand and include a coating
transfer device E for transferring a coating material
in a film form to the receiving surface 4, and a film
removing device H for removing the coating film
transferred to the receiving surface ~.
The coating transfer device E includes, as main
components thereof, a tape 1 having white pressure
sensitive transfer ink la, which is one e~ample of
coating materials, lightly adhering in a layer to one
face of a base material lb in film form, a feed reel 2
on which an unused portion of the tape 1 is wound in a
; roll, a takeup reel 7 for taking up a used portion of
the tape 1 in a roll, a pressure head 5 for pressing
the pressure sensitive transfer ink la of the tape 1
to the receiving surface ~, and a plurality of tape
guides 36 for guiding the tape 1 fed from the feed
reel 2 to run through the front of a pressure surface
5a of the pressure head 5 to the takeup reel 7.
. 2~ The feed reel 2 and takeup reel 7 are mounted in
'
-68-
` ~ ~
20~30~
the case 6 to be rotatable on a~es parallel to each
other. The pressure head 5 is mounted in the case 6
as exposed to an opening a defined in the bottom of
the case 6.
A rubber transmission belt 20 is wound around a
large diameter pulley 18 formed on the feed reel 2 and
a small diameter pulley 19 formed on the takeup reel
7. The takeup reel 7 has a higher rotational rate
than the feed reel 2 so that the takeup rate of the
takeup reel 7 always exceeds the feed rate of the feed
reel 2 in spite of variations in the winding diameters
of the tape 1 on the reels 2, 7. The difference
between the takeup rate of the takeup reel 7 and the
feed rate of the feed reel 2 is absorbed by slippage
1~ occurring between the transmission belt 20 and the
pulleys 18, 19, to positively take up the tape 1 on
the takeup reel 7 while avoiding an excessive tension
acting on the tape 1.
The ~ressure head 5 defines a linear edge 32 at
an upætream end of the pressure surface 5a with
respect to a direction of tape feed.
; The pressure sensitive transfer ink la of the
tape 1 includes a pigment, a binding agent, a
dispersing agent and the like suitably mixed thereto.
2~ The film-like base material lb is formed of a resin
-69-
X03305~7
(cellophane, pol~imide, polyester, polyeth~lene,
polyst~rene, polypropylene or the like) or paper
(condenser paper, glassine paper, synthetic paper,
laminate paper or the like) with a release layer
5 formed of silicone resin or the like.
As shown in Fig. ~2 and Fig. ~3, the film
removing de~ice H includes, as main components
thereof, a control member 38 vertically movable along
a slit 6s defined in a side plate portion 6j of the
case 6, and a thin metallic scraper ~9 removabl~
attached to the control member 38 and verticall~
movable along an inner surface of the side plate
portion 6j with an operation of the control member 38.
The control member 38 has a screw 38a for
tightening and fixing the control member 38 to a
selected position within a slit-forming range of the
side plate portion 6j.
The scraper 59 is switchable with a vertical
operation of the control member 38 batween a use
position projecting outwardly through the opening a of
the case 6 and a non-use position contained in the
case 6.
A method of using the transfer film transfer
device will be described next.
First, the case 6 is held in one hand, the edge
~'
-70-
~Q330~
32 of the pressure head ~ is set to a coating transfer
starting position on the receiving surface ~, and the
pressure surface 5a of the pressure head ~ is pressed
through the tape 1 on the receiving surface 4. In
this state, as shown in Fig. 41, the pressure head 5
~ is moved upstream with respect to a direction of tape
: feed, and the pressure sensitive transfer ink la of
the tape 1 is transferred in film form to the
receiving surface 4 (The film transferred to the
receiving surface 4 will be affixed with the same
number a~ the pressure sensitive transfer ink la~.
At this time, with the movement of the pressure
head 5, the tape 1 is forcibly fed from the feed reel
2, and the film-like base material lb after the
1~ pressure sensitive transfer ink la is transferred to
the receiving surface 4 is taken up on the takeup reel
7 rotating with the feed reel 2.
Next, when the edge 32 of the pressure head
reaches a coating transfer ending position on the
receiving surface 4, the case 6 is tilted on the edge
32, and the edge 32 is pressed hard at the transfer
ending position of the pressure sensitive transfer ink
la. This renders adhesion of the pressure sensitive
transfer ink la to the receiving surface 4 at the
transfer ending position sufficiently strong longi-
;~033~)~'7
.
tudinally of the edge 32.
By lifting the case 6 from the receiving surface4 in this state, the pressure sensitive transfer ink
la is linearly cut and separated at the transfer
5 ending position.
When the pressure head 5 is caused inadvertentl~-
to overrun a transfer region in transferring the
pressure sensitive transfer ink la, the control member
38 is operated downwardly as shown in Fig. 43 to
switch the scraper 59 from the non-use position to the
use position. Then the screw 38 is tightened to fix
the control member 38 to the side plate portion 6j.
And a knife edge of the scraper 59 projecting
from the opening a of the case 6 is set to the
-
1~ unwanted pressure sensitive transfer ink film la
transferred outside the transfer region. By moving
the case 6 in this state, the unwanted pressure
sensitive transfer ink film la may be scraped off the
receiving surface 4.
In the above embodiment, the scraper 59 of the
film removing device H has a flat linear configuration
extending transversely of the tape. However, as shown
in Fig. 44, the scraper 59 may have an arcuate shape
the lowest at a mid-position transversely of the tape.
When this scraper 4 is placed on the receiving surface
-72-
;~330~
.
~, the scraper 4 may be elastically formed into a
straight line transversely of the tape.
According to this embodiment, the knife edge of
the scraper 59 is positively placed in tight contact
with the receiving surface 4 transversely of the tape,
and therefore the ~Inwanted pressure sensitive transfer
- ink layer la transferred outside the transfer region
may be scraped off with lncreased reliability.
Fig. 45 through Fig. ~7 show a different
~ embodiment in which the scraper 59 of the film
removing device H is mounted upwardly inside the case
6.
In this embodiment, the case 6 includes guides
17, 17 formed integral with upper positions thereof at
opposite sides of the scraper 59 switched to a use
position, for limiting a scraping height of the
scraper 59.
The scraping height h between top surfaces of the
guides 17, 17 and the knife edge of the scraper 59 may
suitably be set equal to or slightly greater a film
thickness of the pressure sensitive transfer ink la
transferred to the receiving surface 4.
A control member 38 for switching the scraper 49
between use position and non-use position may have an
adjusting function for fine-adjusting the scraping
'
-73-
;20~3~
height h of the scraper 59.
- Fig. 48 and Fig. 49 show a different embodiment
in which the scraper 59 of the film removing device H
is formed integral with an upper portion of the case
6.
In this embodimen-t, a cover ~0 is removably
mounted on the upper portion of the case 6 for
covering the scraper 59.
Fig. 50 and Fig. 61 show a different embodiment
in which the scraper 59 of the film removing device H
is exposed to an upper surface of the case 6.
In this embodiment, the scraper 59 has an L-
shaped configuration having approximately the same
size as an upper width of the case 6. The scraper 59
is pivotally connected at a proximal end thereof to an
end on the upper surface of the case 6. The scraper
59 is pivotable between a non-use position contained
along a contour of the case 6 and a use position
projec-ting laterally outwardly of the case 6.
Numeral 26 in the drawings denotes magnets for
attracting and holding the scraper 59 in the non-use
position.
Fig. 52 and Fig. 53 show a different embodiment
in which the film removing device H is constructed as
an adhesion removal type.
i
~03~0S7
In this embodiment, the case 6 houses, in an
upper portion thereof, a tape 51 including an adhesive
layer llla formed on one face of a film-like base
material lllb and having a greater adhesive strength
than the pressure sensitive transfer ink la adherino`
to the receiving surface 4, a tape storage 112
including a takeup core 112a for windin~ in a roll and
unwinding the tape 111, and a pressure head 113 for
pressing the adhesive layer llla of the tape 111
unwound and fed from the tape storage 112 on an
unwanted pressure sensitive transfer ink film la
transferred to the receiving surface 4 outside a
transfer region.
A cover 114 is removably mounted on the upper
16 portion of the case 6 for covering the pressure head 5
and the tape 111 fed from the tape storage 112. The
cover 114 includes a serrated blade 115 formed
.~ integral therewith for cutting a used portion of the
tape 111 between the case 6 and cover 114.
According to this embodiment, a tip end of the
pressure head 113 is pressed through the tape 111 on
an unwanted pressure sensitive transfer ink film la
transferred outside a transfer region. In this state,
the pressure head 113 is moved upstream with respect
to a direction of tape feed to cause the adhesive
-7~-
.~ ` -`
~0330~7
layer 11la of the tape 111 to adhere to the un~anted
pressure sensitive transfer ink film la.
Thereafter, the tape 111 is moved away from the
receiving surface 4 to peel the pressure sensitive
transfer ink film la off the receiving surface ~ onto
the adhesive layer llla of the tape 111.
The tape 111 may comprise a commercially
available cellotape.
The foregoing embodiments have been described as
employing the film removing device of the scrape-off
type or adhesion removal type. Such removal modes are
not limitative, but a removal mode by means of a sand
rubber eraser or a rough surface may be employed for
example.
16 In other words, the film removing device H may
have any kind of construction only if capable of
removing the coating film la transferred to the
receiving surface 4.
The foregoing embodiments use the coating
material of the pressure sensitive transfer type, but
it may be the heat sensitive transfer type.
Further, the foregoing embodiments have been
described in relation to the coating material
comprising opaque transfer ink for erasing characters
or pictures formed on the receiving surface ~.
--6
~03;~0~
However, the coating material may be a transparent
adhesive for pasting.
Still further, the foregoing embodiments use the
transfer ink la formed in a layer on the tape-like
3 base material lb. However, the transfer ink la itself
may be formed in a film, or liquid ink may be applied.
In other words, the coating transfer device E may
have any kind of construction only if capable of
transerring the coating material la in film form to
the receiving surface 4.
A transfer film transfer device in a further
embodiment will be described hereinafter.
Fig. 54 and Fig. 55 show a revising coat film
transfer device for erasing characters or pictures
formed on a receiving surEace 4 such as recording
paper, a display plate or the like. This device has a
plastic case 6 which may be held in one hand and
include a coating transfer device E for transferring a
coating material la in a film form to the receiving
surface 4, a brush-like film removing member 58 rotat-
able for removing the coating film la transferred to
the receiving surface ~, and a torque applying device
L manually operable for applying torque to the film
removing member 58.
23 The coating transfer device E includes, as main
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components thereof, a tape 2 having white pressure
sensitive transfer ink, which is one e~ample of
coating materials la, lightly adhering in a layer to
one face of a base material lb in film form, a feed
reel 2 on which an unused portion of the tape 1 is
wound in a roll, a takeup reel 7 for taking up a used
portion of the tape 1 in a roll, a pressure head 6 for
pressing the pressure sensitive transfer ink la of the
tape 1 to the receiving surface 4, and a plurality of
tape guides 36 for guiding the tape 1 fed from the
feed reel 2 to run through the front of a pressure
surface 5a of the pressure head 5 to the takeup reel
7.
The feed reel 2 and takeup reel 7 are mounted in
the case 6 to be rotatable on axes parallel to each
other. The pressure head 5 is mounted in the case 6
as exposed to an opening a defined in the bottom of
the case 6.
A rubber transmission belt 20 is wound around a
large diameter pulley 18 formed on the feed reel 2 and
a small diameter pulley 19 formed on the takeup reel
7. The takeup reel 7 has a higher rotational rate
than the feed reel 2 so that the takeup rate of the
takeup reel 7 always exceeds the feed rate of the feed
reel 2 in spite of variations in the winding diameters
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of the tape 1 on the reels 2, 7. The difference
between the takeup rate of the takeup reel 7 and the
feed rate of the feed reel 2 is absorbed by slippage
occurring between the transmission belt 20 and the
5 pulleys 18, 19, to positively take up the tape 1 on
the takeup reel 7 while avoiding an excessive tension
acting on the tape 1.
The pressure head 5 defines a linear edge 32 at
an upstream end of the pressure surface ~a with
respect to a direction of tape feed.
The pressure sensitive transfer ink la of the
tape 1 includes a pigment, a binding agent, a
dispersing agent and the like suitably mixed thereto.
The film-like base material lb is formed of a resin
1~ (cellophane, polyimide, polyester, polyethylene,
polystyrene, polypropylene or the like) or paper
(condenser paper, glassine paper, synthetic paper,
laminate paper or the like) with a release layer
formed of silicone resin or the like.
The torque applying device L is constructed as
follows:
The case 6 houses, in an upper portion thereof, a
first rotary shaft 69 supporting the film removing
member 58 and a second rotary shaft 72 carrying a
2~ large diameter gear 71 meshed with a small diameter
_~9_
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gear 70 fixed to the first rotary shaft 69, e~tending
parallel to each other. The second rotary shaft 72
has an end projecting outwardly of the case 6 and
carrying a turning control knob 7~.
The case 6 has a cylindrical recess 61 in an
inner surface thereof accommodating a forced contact
type spiral spring 14. The spiral spring 1~ has a
small-diameter end engaged and retained by the second
rotary shaft 72, and a large-diameter end engaged and
retained by the recess 61.
; A method of using the transfer film transfer
device will be described next.
First, the case 6 is held in one hand, the edge
32 of the pressure head ~ is set to a coating transfer
1~ starting position on the receiving surface 4, and the
pressure surface 5a of the pressure head 5 is pressed
through the tape 1 on the receiving surface 4. In
this state, as shown in Fig. 54, the pressure head 5
is moved upstream with respect to a direction of tape
feed, and the pressure sensitive transfer ink la of
the tape 1 is transferred in film form to the
receiving surface 4 (The film transferred to the
receiving surface 4 will be affixed with the same
number as the pressure sensitive transfer ink la).
At this time, with the movement of the pressure
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head 5, the tape 1 is forcibly fed from the feed reel
2, and the film-like base material lb after the
pressure sensitive transfer ink la is transferred to
the receiving surface 4 is taken up on the takeup reel
7 rotating with the feed reel 2.
Next, when the edge 32 of the pressure head 5
reaches a coating transfer ending position on the
receiving surface 4, the case 6 is tilted on the edge
32, and the edge 32 is pressed hard at the transfer
ending position of the pressure sensitive transfer ink
la. This renders adhesion of the pressure sensitive
transfer ink la to the receiving surface 4 at the
transfer ending position sufficiently strong longi-
tudinally of the edge 32.
By lifting the case 6 from the receiving surface
4 in this state, the pressure sensitive transfer inkla is linearly cut and separated at the transfer
ending position.
When the pressure head 5 is caused inadvertently
to overrun a transfer region in transferring the pres-
sure sensitive transfer ink la, the case 6 is turnedover as shown in Fig. 56, and the control knob 73 is
turned.
The turning of the knob 73 elastically compresses
the spiral spring 14 successively from the small
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',
~V33057
diameter side, whereby rotational energy accumulates
on the spiral spring 14.
Then, the film removing member 58 is set to an
unwanted pressure sensitive transfer ink film la
5 transferred outside a transfer region. When the knob
73 is released in this state, the second rotary shaft
72 rotates with elastic restoration of the spiral
spring 1~, and this rotation is transmitted to the
first rotary shaft 69 in acceleration through the
large diameter gear 71 and small diameter gear 70. As
a result, the film removing member 58 is rotated at
high speed until the spiral spring 14 returns to an
original state.
Consequently, the film removing member 58 in high
speed rotation is capable of quickly and reliably
removing the unwanted pressure sensitive transfer ink
film la transferred inadvertently from the receiving
surface ~.
As shown in Fig. 57 and Fig. 58, it is possible
to provide a ratchet mechanism 15 for preventing only
rotation of the second rotary shaft 72 due to the
elastic restoration of the spiral spring 1~, and a
disengaging member 16 for switching an engaging pawl
14a to a release position, the engaging pawl 15a
forming the ratchet mechanism 15 in combination with a
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ratchet wheel llb~
In this embodiment, the elastic restoration of
the spiral spring 14 is started by the release
operation of the disengaging mem~er 16. Thus, it is
- ~ unnecessary to keep holding the knob 73 against the
;~ elastic restoring force of the spiral spring 14 as in
. the foregoing embodiment. This facilitates removal of
the pressure sensitive transfer ink film la
transferred inadvertently.
Fig. 59 shows a torque applying device L in a
different embodiment. The case 6 houses, in an upper
- portion thereof, a first rotary shaft 77 supporting
the film removing member 58 and a second rotary shaft
80 carrying a large diameter gear 79 meshed with a
small diameter gear 68 fixed to the first rotary shaft
77, extending parallel to each other. The second
rotary shaft 80 carries a control wheel ~1 projecting
outwardly through an opening defined in a top of the
case 6.
The case 6 has a cylindrical recess 62 in an
inner surface thereof accommodating a forced contact
type spiral spring 14. The spiral spring 14 has a
small-diameter end engaged and retained by an end of
the first rotary shaft 77, and a large-diameter end
engaged and retained by the recess 62.
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The film removing member 58 includes a bar-like
sand rubber eraser 58a and a holder 58b removably
supporting the sand rubber eraser 58a. The holder 58b
is attachable and detachable to/from a tubular section
continuous with the other end of the first rotary
shaft 77.
The case 6 defines a storage chamber V in an
upper portion thereof for storing a plurality of sand
rubber erasers 58a and the holder 58 when out of use.
10When the pressure sensitive transfer ink la is
transferred also outside a transfer region by a
; transfer operation error, the case 6 is turned over as
shown in Fig. 60, and the case 6 is moved with the
control wheel 81 contacting the receiving surface 4 or
the like.
With rolling of the control wheel 81, torque of
the second rotary shaft 80 is transmitted through the
large diameter gear 79, small diameter gear 68 and
first rotary shaft 77 to the spiral spring 14. This
elastically compresses the spiral spring 14
successively from the small diameter side, whereby
rotational energy accumulates on the spiral spring 1~.
As shown in Fig. 61, the sand rubber eraser 58a
of the film removing member is set to an unwanted
pressure sensitive transfer ink film la transferred
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`:
. .
.
~o~o~
outside the transfer region. When the control wheel
81 is released in this state, the sand rubber eraser
58a rotates with elastic restoration of the spiral
spring 14.
Consequently, the sand rubber eraser 58a in high
speed rotation is capable of quickly and reliably
removing the unwanted pressure sensitive transfer ink
film la transferred inadvertently from the receiving
surface 4.
The above embodiments have been described in
relation to the torque applying device L of the type
that stores rotational energy on the spiral spring 14.
Instead of using the spiral spring 14, rotational
energy may be stored by using inertial force of a
flywheel 33 as shown in Fig. 62 and Fig. 63. The film
removing member 58 and the manual control member may
be interconnected through an accelerative rotation
transmitting mechanism such as an accelerating gear
mechanism.
In short, the torque applying device L will serve
the purpose only if capable of applying torque to the
film removing member 58 by means of a manual
operation.
The torque applying device L shown in Fig. 62 and
Fig. 63 is such that the case 6 houses, arranged
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~)330~7
~`
parallel to one another, a first rotary shaft 25
carrying a rotary brush 58 acting as the film removing
member, a second rotary shaft 28 carrying a second
gear 23 meshed with a first gear 24 fixed to the first
rotary shaft 25, and a third rotary shaft 34 carrying
a fourth gear 30 meshed with a third gear 22 fixed to
the second rotary shaft 28.
- The third shaft 34 carries a control wheel 35
projecting outwardly through an opening defined in the
case 6. The control wheel 35 has an antislip rubber
layer 35a formed peripherally thereof. The second
rotary shaft 28 carries a flywheel 33 having a large
mass.
When the pressure sensitive transfer ink la is
transferred also outside a transfer region by a
transfer operation error, the case 6 is vertically
turned over, and the case 6 is moved with the control
wheel 35 contacting the receiving surface 4 or the
like.
With rolling of the control wheel 81, torque of
the third rotary shaft 34 is transmitted through the
fourth gear 30, third gear 22 and second rotary shaft
28 to the flywheel 33. This rotates the flywheel 33
at an increasing speed to store rotational energy.
The rotary brush 58 is forcibly rotated by the
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rotational energy accumulated on the flywheel 33.
Thus, by setting the rotary brush 58 to the unwanted
pressure sensitive transfer ink film la transferred
outside the transfer region, the unwanted pressure
5 sensitive transfer ink film la transferred in-
advertently is removed quickly and reliably from the
receiving surface 4.
The above embodiments have been described taking
the brush type and sand rubber eraser type as examples
!'10 of the film removing member 58. These constructions
:are not limitative. For example t the construction may
include a grinding stone, or a blade in the form of a
side milling cutter or a shell end mill.
In other words, the film removing member 58 may
have any kind of construction only if rotatable to
remove the coating film la transferred ~o the
receiving surface 4.
The foregoing embodiments use the coating
material of the press~re sensitive transfer type, but
it may be the heat sensitive transfer type.
Further, the foregoing embodiments have been
described in relation to the coating material
comprising opaque transfer ink for erasing charscters
or pictures formed on the receiving surface ~.
However, the coating material may be a transparent
''
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'.
,
ZO;~30~i~
adhesive for pasting.
Still further, the foregoing embodiments use the
transfer ink la formed in a layer on the tape-like
base material lb. However, the transfer ink la itself
5 may be formed in a film, or liquid ink may be applied.
In other words, the coating transfer device E may
have any kind of construction only if capable of
transferring the coating material la in film form to
the receiving surface 4.
A transfer film transfer device in a further
embodiment will be described.
Fig. 64 shows a transfer film transfer device
comprising a case 6 including a storage section 3
having a feed reel 2 holding a picture revising tape 1
wound thereon in a roll form to be fed out, the
picture revising tape 1 having a white pressure
sensitive transfer film la lightly adhering in film
form to a base material lb, and a pressure head 5 for
pressing on a receiving surface 4 the transfer film la
of the tape 1 fed from the storage section 3.
The tape 1 runs from the feed reel 2 past a pres-
sure surface 5a of the pressure head 5 to be taken up
on the takeup reel 7 rotatable on an axis appro-
~ximately parallel to a rotational axis of the feed
`~25 reel 2. The feed reel 2 and takeup reel 7 are
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operatively interconnected through an interlocking
mechanism 21 provided laterally inside the case 6. As
the tape 1 is fed from the feed reel 2, the base
material lb is taken up on the takeup reel 7 after the
6 paint film la is transferred by the pressure head 5.
The interlocking mechanism 21 comprises a rubber
- transmission belt 20 wound around a large diameter
pulley 18 fixed to the feed reel 2 and a small
diameter pulley 19 fixed to the takeup reel 7. The
takeup reel 7 has a higher rotational rate than the
-- feed reel 2 so that the takeup rate of the takeup reel
7 always exceeds the feed rate of the feed reel 2 in
spite of variations in the winding diameters of the
tape 1 on the reels 2, 7. The difference between the
1~ takeup rate of the takeup reel 7 and the feed rate of
the feed reel 2 is absorbed by slippage occurring
between the transmission belt 20 and the pulleys 2a,
: 19, to positively take up the tape 1 on the takeup
reel 7 while avoiding an excessive tension acting on
the tape 1.
The tape 1 has a resin or paper base material lb
. with a release layer formed of silicone resin or the
. like, and a paint film la including a pigment, a
binding agent, a dispersing agent and the like and
: 2~ lightly adhering thereto through the release layer.
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The paint film la has an adhesive layer formed thereon
to be pressed by the pressure head 5 for adhesion to
the receiving surface ~.
A removing device I is provided on a running path
of the tape 1 fed from the storage section 3, upstream
of a position opposed to the head 5, for removing a
side of the paint film la from the tape 1 in a way to
vary a removal width.
Specifically, as shown in Fig. 65 and Fig. 66,
the removing device I comprises a remover 90
including, as a principal part thereof, a combination
of a backup roll 90a disposed inwardly of the running
path of the tape 1 and rotatably supported to contact
an entire width of the tape 1, and a pair of separator
rollers 90b, 90c arranged outwardly of the running
path of the tape 1 to sandwich the tape 1 with the
backup roll, and having adhesive layers formed on
surfaces thereof for adhering to and removing the
paint film la of the tape 1. The pair of separator
.:~ 20 rollers 90b, 90c are pulled toward the backup roll 90a
to assume operative positions by tension springs 90d,
90e, and are oscillatably supported by arms 90f, 90g
and maintained in retracted positions away from the
tape 1 by control levers 90h, 90i, respectively.
: 25 Thus, by moving the separator rollers 90b, 90c away
,- ,
-90-
from the tape 1 in combination or individually, three
ways are provided in which the separator rollers 90b,
90c are moved away from a side of the paint film la.
In addition, it is possible to provide a condition in
which the separator rollers 90b, 90c are both
contacting the side of the paint film la. With the
plurality of such conditions, removal (peeling) can be
made from the tape 1 in a way to ~ary the removal
width (peeling width). Scrapers 90j, 90k are disposed
at appropriate positions adjacent peripheries of the
separator rollers 90b, 90c for scraping off the paint
film la peeled and adhering to the separator rollers
90b, 90c. The scrapers 90j, 90~ scrape off the paint
film la, thereby avoiding a situation in which the
paint film la adhering to and remaining on the
separator rollers 90b, 90c becomes obstructive to
fresh adhesion and removal of the paint film la by the
separator rollers 90b, 90c.
- According to the paint film transfer device in
this embodiment, even when the paint film la of the
tape 1 has a fixed width, the remover 90 is used to
-remove a side of the paint film la from the tape 1 in
a variable width manner, thereby varying the transfer
width of the paint film la.
2~ As shown in Fig. 67 and Fig. 68, a removing
. - .
": -91-
`'
;~0;;~3~
device I may comprise a scraper type remover 91
provided on the running path of the tape 1 fed from
the storage section 3, upstream of a position opposed
to the head 5, for scraping off a side of the paint
film la from the tape 1, which is movable transversely
of the tape. More particularly, the case 6 carries a
retainer 91a defining a slot, and a separator pawl 91b
forming a principal component of the remover 91 is
inserted into the slot for contacting the tape 1. The
separator pawl 91b is tightened to a suitable position
by a bolt 91c to vary its position transversely of the
tape.
According to this paint film transfer device,
even when the paint film la of the tape 1 has a fi~ed
3 width, the remover 91 is used to remove a side of the
paint film la from the tape 1 in a variable width
manner, thereby varying the transfer width of the
paint film la.
The present invention of course is applicable
where, in transferring the paint film la of the tape 1
to the receiving surface ~, a pressure head (not
.,~,
shown) is used instead of the pressure head ~ for
thermal transfer of a thermal transfer paint film.
~INDUSTRIAL APPLICABILITY]
2~ As described, a transfer film transfer device of
. ~
-92-
:
2~3~0~
the present invention is suited for transferring a
filmy coating material mixed with a pigment and the
like to a receiving surface for the purpose of easy
erasing or easy pasting of characters and pictures,
and a filmy adhesive to a receiving s~lrface of paper
for the purpose of bonding sheets of paper.
,...
.~ 20
: 25
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