Note: Descriptions are shown in the official language in which they were submitted.
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DESCRIPTION
TITLE OF THE INVENTION
METHOD OF MANUFACTURING PACKAGING CONTAINER AND
PACKAGING CONTAINER
FIELD OF THE INVENTION
0001
The present invention is related about a method of manufacturing a
packaging container filled up with liquid products of cow's milk, juice,
alcoholic beverage, mineral water, green tea, etc., and its packaging
container.
BACKGROUND ART
0002
The package laminating material made of paper having rich flexibility
has been used to package liquid products of liquid food over many years.
In the packaging container 20 as shown in Fig. 10 for cow's milk, juices,
sake, white distilled liquor, mineral water, and other beverages, for
example, web-like package laminated material of fiber base materials (for
example, paper etc.) / plastic laminate having crease lines is formed into
a tube shape by the longitudinal seal of the longitudinal direction, is filled
up with content into the tube shaped packaging material, and is
transversally sealed to the transverse direction of the tube shaped
packaging material, and is formed into the cushion or pillow shaped
packaging body (primary shape container).
0003
The pillow shaped packaging body is cut individually for every one
container in the transversal seal portion, and is folded up to mountain
folds and valley folds along creasing lines, and the brick shaped container
20 having panels 21a and 21b which form the side walls, a longitudinal
sealed portion 22, transverse seal portion 23 of fins, a panel 24 which
forms a top wall, and flaps 25 (pieces folded at forming the top wall and
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the bottom portion) sealed onto the side walls as shown in Fig. 10 is
formed.
0004
A gable-top shaped (gable roof like) paper packaging container is
obtained by cutting the paper packaging material into the predetermined
shape, obtaining blanks sealed to the container lengthwise direction, after
bottom sealing of blanks in a filling machine, filling cow's milk, juices, or
other beverages from the upper opening, and sealing the upper part.
The appearance designs of packaging container and products are printed
on the surface at the packaging materials.
0005
The crease lines for the one container are repeatedly given to the
web-like packaging material continuously. Fig. 11 showing the partial
packaging material for one container is referred to. In the web-like
packaging material with the crease lines, the packaging material 27 for
one container comprises a seal area 28 for the longitudinal seals, a
transversal seal area 29 for the transversal seal to the transverse
direction of the tube shaped packaging material, side panels 21a and 21b
to be formed to container walls, panels 24a, 24b, and 24c to be formed to
a top panel of the container, panels 25a, 25b, and 25c to be formed to
flaps 25 which is folded up and sealed on the side panel or the bottom,
and crease lines 26 formed in the borders between the panels.
0006
There are a pentagonal pillar shaped container, a hexagon pillar shaped
container, a shed roof shaped container, an octagonal pillar shaped
container besides the above-mentioned brick shaped container and the
gable top container. (See patent documents)
Prior art document
Patent documents
0007
Patent documents 1: JP,11-91792,A
Patent documents 2: JP,11-236027,A
Patent documents 3: JP,4-53602,U
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Patent documents 4: WO 2002/010020
Patent documents 5: JP,7-187181,A
SUMMARY OF THE INVENTION
PROBLEM TO BE SOLVED BY THE INVENTION
0008
The object of the present invention is providing the manufacturing
method of a newly-shaped packaging container and the newly-shaped
container, in containers formed by forming a web-like package laminated
material having crease lines into a tube shape to seal to the longitudinal
direction, by sealing the tube at the interval for one container to cut the
tube to the transverse direction, and by folding flaps and fins of the
obtained pillow-shaped packaging body onto a top wall, side walls, and a
bottom wall.
0009
Another object of this invention is, in the above-mentioned container
having the shape of the new triangular prism, to provide a container which
consumers easily pour out and easily hold, and a method of
manufacturing the container.
0010
The another object of this invention is, according to uses of liquid
products of soft drinks such as juices and viscous products such as sauce,
catsup and etc., to provide the container which can increase the flexibility
of the design of a spout and an opening device such as a cap, a straw
and etc., and which can increase the flexibility to the design and printing
of the container appearance, and the method of manufacturing the
container.
MEANS TO SOLVE THE PROBLEM
0011
The packaging container of the present invention is obtained by tube
forming by longitudinal sealing of the web-like packaging material, filling
of liquid products into the tube shaped packaging material, transversal
sealing to the transverse direction of the tube shaped packaging material,
forming of pillowy packaging bodies, individual cutting of the pillowy
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packaging bodies, folding up along the crease lines to form a top wall,
side walls and a bottom wall, and attaching fins and flaps which are
formed to the above-mentioned walls to form to a final shape,
characterized by that the top wall and the bottom wall are substantially
horizontal when the packaging container stands straight, the top wall and
the bottom wall have a triangular shape, a section of a transverse
direction of a main body of the packaging container formed in the three
ridgelines which connect three corner points of the top wall and three
corner points of the bottom wall has triangular shape.
0012
In the preferable embodiment of this invention, an opening for a straw, a
pouring plug, and an opening device is provided with on a corner portion
of the top wall.
0013
The method of manufacturing a packaging container according to this
invention which comprise forming web-like packaging material having
crease lines to tube shape by longitudinal sealing, filling up with a liquid
product in the tube shaped packaging material, transversal sealing the
tube shaped packaging material to the transverse direction to form pillow
shaped packaging bodies, cutting the packaging bodies individually,
folding up the packaging body along the crease lines to form a top wall,
side walls and a bottom wall, and attaching the obtained fins and flaps to
the above-mentioned walls to form a final shape, characterized that the
top wall and the bottom wall are substantially horizontal when the
packaging container stands straight, the top wall and the bottom wall
have a triangular shape, a section of a transverse direction of a main
body of the packaging container formed in three ridgelines which connect
three corner points of the top wall and three corner points of the bottom
wall is triangular.
In the feature of the manufacturing method of this invention, in the filling,
the liquid product is filled up by volume equivalent to a constant volume of
the final shaped packaging container into the packaging material while a
cross-sectional area in the tube shaped packaging material is reduced, in
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the transversal seal, the constant volume is kept at the sealing, and in the
final shaped forming, the container wall of the packaging body is
deformed inside and the constant volume is kept.
EFFECT OF THE INVENTION
0014
According to the present invention of the above-mentioned structure, the
following effect functions are shown and the advantageous effect is
acquired.
With the packaging container of the present invention, the new shaped
container obtained from the pillowy packaging body can be provided.
0015
With the paper packaging container of this invention, the consumers can
begin easy pouring from the corner portion with the corner portion from
the horizontal triangle-like top wall.
The comparatively large-sized spout, the opening device, and the
wide-mouthed extraction device (spout) can be attached to the corner
portion, and the consumers can pour it easily.
0016
With the paper packaging container of this invention, the novel container
design can be provided and it can be a customer attractive container for
the consumers in the display rack of the retail store.
0017
Since the sectional shape of the package body is triangular, the
container can provide the container which is easily taken and grasped by
the consumers, even if small-child children with the small hand are the
consumers.
Although the paper packaging container is arranged in series in low and
deep display rack in the retail store and the consumers cannot hand it out
easily at their shopping, they can take it by holding the both side walls.
0018
According to liquid products of soft drinks such as the juice, viscous
products such as sauce, catsup, and etc., opening methods and pouring
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methods differ from each other. According to uses, the spouts and the
opening devices such as caps and straws, and etc. can be designed
freely
The container shape itself is new, and the container appearance can be
designed more freely and can be printed.
In the feature of this manufacturing method, in the filling and the
transversal sealing, since the cross-sectional area in the inner tube is
reduced, and the packaging body is deformed for forming, the horned
new novel packaging container can be formed effectively with no
damage.
BRIEF DESCRIPTION OF DRAWINGS
0019
Fig. 1. Perspective outline view showing the 1st example of the
packaging container according to this invention.
Fig. 2. Top view of the container of the 1st example.
Fig. 3. Front view of the container of the 1st example.
Fig. 4. Development view of one container of the 1st example.
Fig. 5. Bottom view of the container of the 1st example.
Fig. 6. Side view of the container of the 1st example.
Fig. 7. Front view of the container of the 2nd example.
Fig. 8. Side view and front view of the container of the 3rd example.
Fig. 9. Perspective view showing steps formed to the container of the
1st example from the pillowy packaging body.
Fig. 10. Perspective view of the brick-like packaging container.
Fig. 11. Development top view of the brick-like packaging container.
Fig. 12. Schematic diagram of the package filling machine which can
be used for the manufacturing method of the packaging
container according to this invention.
DENOTATION OF REFERENCE NUMERALS
0020
1 packaging material
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30 packaging container
31 top wall
32 side wall
33 bottom wall
34 fin
35 flap
BEST MODE FOR CARRYING OUT THE INVENTION
0021
Preferred embodiments of the present invention will hereinafter be
described in detail with reference to the attached drawings.
The example of the package filling machine shown in Fig. 12 explains
this mode. In this example of the machine, the web-like package
laminated material 1 having crease lines is fed in the package filling
machine with the shape of a reel. The package laminated material 1
comprises a flexible laminate in which a paper substrate and polyethylene
resin films laminated on both sides of the paper substrate, conducting
layers, such as aluminum foil, are formed between the paper substrate
and the film, and printing for the exterior is beforehand performed to the
portion corresponding on the surface of the packaging container.
By the transportation means, the fed package laminated material 1 is
conveyed continuously, and is used for package filling.
The package laminated material 1 is fed to a strip applicator 3, and a
strip is applied along one edge of the package laminated material 1 by the
strip applicator.
The package laminated material 1 is fed to a sterilization bath 4, and is
sterilized with sterilization liquid, such as hydrogen peroxide, in the
sterilization bath 4. The package laminated material 1 is fed to an
aseptic chamber 16, after feeding to an air knife for drying with the air
knife. The package laminated material 1 is gradually deformed by
forming rings 6, and is formed into tube shape.
0022
Both edge sections of the tube shaped package laminated material are
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pressed and longitudinal sealed with the strip with a longitudinal seal
apparatus 8. Fluid food product supplied via a filling pipe 7 is filled into
the tube shaped package laminated material 1.
The tube shaped package laminated material is guided with rollers, and
it is transversally sealed in the transverse direction with the transversal
seal apparatus 10, and the transversally sealed package laminated
material is cut with the knife etc., and the pillowy packaging body 13 is
formed.
The pillowy packaging body 13 is formed with a final shape folding
apparatus 15 to the final shape, and the packaging container 14 with the
fluid food product is obtained.
0023
The 1st example of the packaging container according to this invention
is shown in the perspective outline view of Fig. 1, in the top view of Fig. 2,
in the front view of Fig. 3, in the development view of Fig. 4, in the bottom
view of Fig. 5, and in the side view of Fig. 6.
The packaging container 30 of the 1st example is the packaging
container obtained by forming to the final shape which has the top wall 31,
the side walls 32b and 32c, and the bottom wall 33 which are formed by
folding along the crease lines, and in which the fins 34 and the flaps 35
formed in process of the folding are attached to the above-mentioned
side wall 32b.
0024
As shown in the front view of Fig. 3, and the side view of Fig. 6, the top
wall 31 and the bottom wall 33 are substantially horizontal when the
packaging container 30 stands straight. Since the bottom wall 33 is
horizontal, the packaging container can be stood stably.
As shown in the perspective outline view of Fig. 1, the top view of Fig. 2,
and the bottom view of Fig. 5, the top wall 31 and the bottom wall 33 have
triangle shapes.
As shown in the perspective outline view of Fig. 1, the section of the
transverse direction of the main body of the packaging container formed
in the three ridgelines which connect the three corner points of the top
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wall 31 and the three corner points of the bottom wall 33 is triangular, and
is like triangular prism. Although it is simple, it can be considered as
new novel container appearance.
As shown in the perspective outline view of Fig. 1, and the side view of
Fig. 6, the horizontal top wall 31 has the corner portion (31a) forward the
front of the side wall. When a consumer begins to pour When the
consumers pour out liquid products from the container, the corner portion
enables the consumers to pour out them without any liquid drips.
0025
In the embodiment of the 1st example, although the rear view is not
illustrated, the packaging container has the longitudinal seal 37 on the
side of the rear side wall 32c.
The top fin 34 of the transversal seal portion is folded to the backside
(rear wall side), and the two folded pieces 35 (flaps) are folded and
attached on the wall surface of the side-wall panel 32b, as illustrated.
On the other hand, the lower fin 34 is folded to the backside (rear wall
side), and as shown in the bottom view of Fig. 5, the two folded pieces 35
(flaps) are folded and attached on the wall surface of the side-wall panel
32b.
In this embodiment, an opening easy portion for the spout or the straw
(not shown) is formed on the top wall 31.
0026
The web-like packaging material with the crease lines is formed the
packaging material for the one container as shown in Fig. 4 continuously,
like a web. The packaging material comprises seal areas 37 for the
longitudinal seals which are provided in the edges of the packaging
material in the longitudinal direction of the web-like packaging material,
transversal seal areas 34 and 34 for the transversal seal which are
provided up and down adjoining portions in the transverse direction of the
tube shape packaging material, side-wall panels 32b, 32b, 32c, and 32c
for forming the container walls, panels 31, 31, and 31 for forming the top
wall of the container, panels 33, 33, and 33 for forming the container
bottom wall, 12 triangle-like panels 35 for forming the flaps ( folded
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pieces ) which is folded up and sealed on the side wall, and crease lines
formed in the borders between the panels.
0027
In this embodiment, the crease lines of the top wall panel 31, the
side-wall panels 32b and 32b, and the panels 35, 35, 35, and 35 of the
top flap concentrate on the projecting point (31a) of the top wall so that
the top wall 31 may become triangular.
The crease lines of the bottom wall panel 33, the side-wall panels 32b
and 32b, and the panels 35, 35, 35, and 35 of the flaps concentrate on
the projecting point (33a) of the bottom wall so that the bottom wall 33
may become triangular.
0028
The panels 35, 35, and 35 which form the top flap are triangular,
respectively, and the combined three panels occupy a block surrounded
with the adjoining side-wall panel 32b, the top wall panels 31 and 31, and
the fin (transversal seal portion) 34.
The panels 35, 35, and 35 which form the lower flap are triangular,
respectively, and the combined three panels occupy a block surrounded
with the adjoining side-wall panel 32b, the bottom wall panels 33 and 33,
and the fin (transversal seal portion) 34.
0029
In the preferable embodiment by this invention, the 2nd example of the
packaging container which is provided with the large-sized spout on the
top wall is described with reference to Fig. 7.
Fig. 7 shows the example of the container which attached a screw cap
38. The packaging container 30 has, in this embodiment, the top wall
31, the side walls 32b, 32b, and 32c, and the bottom wall 33 folded up
and formed along the crease lines, in the fin 34 and the flap 35 formed in
process of the folding, the top flaps 35 are attached to the side walls 32b
and 32b, and, the lower flaps are attached to the side walls 32b and 32b.
The mode that the cap 38 is attached to the corner portion of the top wall
31 is shown in Fig. 7.
As shown in the front view of Fig. 7, the top wall 31 and the bottom wall
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33 are substantially horizontal when the packaging container 30 stands
straight.
The section in the transverse direction of the main body of the packaging
container formed in the ridgeline which connects the corner point of the
triangular top wall 31 and the corner point of the triangular bottom wall 33
is triangular. As shown in the front view of Fig. 7, it is simple, and it has
new novel container appearance.
The corner 31a of the horizontal top wall 31 enables easy pouring
without any liquid drips.
0030
The container of the 3rd example is shown in Fig. 8 (A) of the side view,
and Fig. 8 (B) of the front view. In this example, the flaps 35 are
attached to the top wall 31 and the bottom wall 33 (not shown), as shown
in Fig. 8 (B). The flaps 35 are not attached to the wall surface of the side
walls 32b and 32b, and as shown in Fig. 8 (A), it is simple and can obtain
the new novel container with the side without unevenness.
0031
With reference to Fig. 9 showing the step formed from the pillowy
packaging body 13, an example of the manufacturing method of the
packaging container 30 of the 1st example is explained concretely.
In the forming step (a) shown in Fig. 9, as shown in Fig. 12, the pillowy
packaging body 13 obtained by filling with the liquid products into the tube
shape package laminated material 1, transversal sealing, and cutting and
tentatively folded along the crease lines is prepared.
In the filling of the preparation step, the cross-sectional area in the tube
shape packaging material is reduced. The liquid product is filled in
volume equivalent to the constant volume of the final shaped packaging
container in the packaging material. Specifically, the tube section shape
includes the shape of an ellipse, the shape of a gourd, the approximately
lozenge, etc.
The above-mentioned constant volume is maintained and the
transversal seal is sealed.
In the forming step (b), the side wall by the side of the side wall 32b is
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pressed inside so that both ends of the upper and lower transversal seal
portions (fins) 34 may be projected to the side-wall 32b side.
In the forming step (c), the upper and lower transversal seal portions
(fins) 34 are folded to the rear side-wall 32c position, the two upper folded
pieces 35 (flaps) are formed, and attached on the wall surface of the
side-wall panel 32b, and the two lower folded pieces 35 (flaps) are formed,
and attached on the wall surface of the side-wall panel 32b.
In the above-mentioned forming steps, the container wall of the
packaging body is deformed inside and the constant volume is
maintained. For example, the surface of the side-wall 32c and/or 32b
with the wide container wall area is pressed as shown in Fig. 9 (b), and
the hollow is formed and held.
Since the packaging material has flexibility, the packaging container can
be formed effectively without any damage and the defect..
0032
The present invention is not limited to the embodiment, and it is possible
to make it deform variously based on the object of the present invention,
and it does not eliminate them from the scope of the present invention.
Industrial applicability
0033
This invention is applicable to manufacturing of package filling of the
liquid food.
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