TABLEAU A FEUILLES AVEC BANDE AUTO-ADHESIVE

'SHOW IT' CHART PAPER

Abrégé anglais

'Show It' Chart Paper

Abstract
Pads of chart paper are ordinarily glued together by means of a layer
of adhesive material at the top of the sheets. Once detached from the pad,
the sheets cannot be returned to the pad or placed on a vertical surface
without applying additional adhesives or masking tape. Subsequent
removal from the walls often results in the paper being torn, or the walls
being damaged or left with adhesive on them.
In this invention, a pressure sensitive adhesive is applied to the
back of each sheet on the top 10 cm. Sheets can be removed from the pad
and placed on any flat wall surface. The sheets can be easily removed from
the wall without damaging the wall or leaving any adhesive behind. In
addition, sheets can then be placed on top of one another for future use or
returned to the pad.

Revendications

5. The embodiment of the invention in which an exclusive property or
privilege is claimed are defined as follows:
1. A chart pad sheet approximately 60 cm. x 90 cm., or larger with or
without two holes punched in the top approximately 45 cm. apart. It has a
reusable pressure sensitive adhesive material applied to a 10 cm. to 20
cm. strip on the top of the back.
2. A chart pad sheet as defined in claim 1, in which the adhesive is a
binder material whose exposed surface has inherently tacky elastometric
co-polymer microspheres protruding from it.
3. A chart pad sheet as defined in claim 1 or 2 in which the adhesive
is applied in such a manner as to have strong bonding capabilities and yet
be non-permanent, and repeatedly re-usable.

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Description

Specification ~101022
1. This invention relates to a repeatedly usable pressure sensitive chart
paper.
2.1t is common for chart paper to be sold in pads that have a layer of
adhesive on the top edge of each sheet. Once removed, the sheets are
adhesive free. They can only be hung using some other type of adhesive or
fastening device.
Many users of chart paper try to remove the sheets and place them
on walls or other v0rtical surfaces for display. Users find that the sheets
sometimes rip in an attempt to remove them from the pad. Before they can
be displayed, an alternate adhesive must be utilized, usually masking tape.
Masking tape is difficult to remove from both the paper and the wall. Old
chart paper is unsatisfactory because when used with masking tape it is
difficult to remove from future display or re-use. It often removes both
paint and wallboard surface.
.


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' 2~022

3. I have found thal these disadvantages may be overcome by placing a
10cm strip of inherently tacky material on the top of each sheet. The
sheets are stacked one on top of the other to produce a pad.
The reusable pressure sensitive adhesive makes it easy to remove
each sheet from the pad. Then the sheets can be easily placed on any
smooth vertical or horizontal surface. Sheets can be removed without
damaging either the paper or the surface. None of the adhesive sticks to
the surface. Sheets can be re-stacked one on top of the other to be stored.
re-used, or re-displayed on another occasion.
4. In drawings that illustrate embodiment of the invention, Figure 1 is an
embodiment of the sheets which shows them stacked in a pad. Figure 2
illustrates the binding material on the back of the sheets.




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