JP2001271042A - Tacky protective tape - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tacky protective tape capable of being applied easily with one touch on the surface and reverse surface of a subject having a flat plate shape without going through another device. SOLUTION: This tacky protective tape consists of a surface sheet, a reverse surface sheet and a piece of releasing paper. The surface sheet and reverse surface sheet are joined at least at its one side and the facing surfaces on folding at the joining side and overlapping each of them become the adhesion surfaces. The one piece of releasing paper becomes one piece by joining the surface releasing paper and the reverse releasing paper at least at one side, and the one piece of releasing paper has gripping parts for the releasing paper projecting from the surface sheet and reverse surface sheet on overlapping the surface sheet and the reverse surface sheet. On use, after the removal of any of the surface releasing paper or reverse releasing paper and the subject to be stuck is stuck on the exposed adhesive surface of any of the surface sheet or reverse sheet, then the application of surface and reverse surface of the subject to be applied for the surface sheet and the reverse sheet is completed in parallel to the peeling of the whole releasing paper from the above surface sheet or the above reverse surface sheet via the releasing paper gripping parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adhesive protection sheet for protecting the surface of a flat plate such as a postcard, a photograph, a menu, a business card, a membership card, a price card, and the like.
More specifically, the present invention relates to an adhesive protection sheet that can be easily attached with one touch to the front and back surfaces of the flat plate.

[0002]

2. Description of the Related Art Conventional pressure-sensitive adhesive protection sheets are sold in rolls or in sheets cut to a standard size, and users have pasted the sheets individually on the front and back surfaces.

[0003] In addition, a device for laminating a sheet on the front and back surfaces at a time, mainly by thermocompression bonding, a so-called laminator, has also become widespread, but it is expensive and unsuitable for general consumers.

[0004]

The problem to be solved by the present invention is that the front and back surfaces of a flat plate have
An object of the present invention is to provide an adhesive protection sheet that can be easily attached with one touch. Another object of the present invention is to provide a pressure-sensitive adhesive protection sheet that can be easily attached without using another device. It is still another object of the present invention to provide a pressure-sensitive adhesive protection sheet that can be applied to pressure-sensitive adhesive objects having various sizes or thicknesses required for normal use.

[0005]

According to the present invention, there is provided an adhesive protection sheet comprising a top sheet, a back sheet, and one piece of release paper. The top sheet and the back sheet referred to here are joined at least on one side, and the surface facing each other when folded at the joining side and overlapped with each other is an adhesive surface. In addition, the one release paper referred to here is one in which the front release paper and the back release paper are joined together on at least one side, and the one release paper is a top sheet and a back sheet. And a release paper grip that projects from the top sheet and the back sheet when the sheets are superposed.

[0006] In addition, after the adhesive protection sheet is peeled off from only the surface release paper or the backside release paper and the object to be bonded is adhered to the exposed adhesive surface with either the topsheet or the backside sheet, the entirety of the release paper is removed. A pressure-sensitive adhesive protection sheet characterized in that the attachment to the front and back surfaces of the object to be attached of the top sheet and the back sheet is completed in parallel with the top sheet or the back sheet being peeled off from the top sheet or the back sheet via the release paper gripping portion. is there.

That is, in use, first, only the portion of the release paper that is to be bonded to either the top sheet or the back sheet is peeled off, and the object to be bonded is bonded to the exposed bonding surface. Next, at the same time as peeling the release paper through the release paper gripper, that is, grasping the release paper gripper with one hand, and peeling off from the surface sheet or the backsheet from which the object to be pasted is not adhered, Attachment of the object to be attached to both sides is completed.

The top sheet and the back sheet do not necessarily have to have the same shape, but may have the same shape.

Further, the surface release paper functions as a release paper for the entire adhesive surface of the topsheet.
It functions as a release paper for the entire adhesive surface of the back sheet.

The invention according to the present invention further provides an adhesive protection sheet comprising a top sheet and a back sheet, a main release sheet provided on each of the top sheet and the back sheet, and a sub release sheet.

The top sheet and the back sheet are joined at least on one side, and the face facing each other when the sheet is bent at the joined side and overlapped with each other is the adhesive face. The main release paper is arranged so that a part of the bonding surface does not function as a release paper. A sub release paper is separately provided in a portion where the main release paper does not function as release paper. The main release paper has a release paper grip that protrudes from the top sheet and the back sheet when the top sheet and the back sheet are overlapped.

The top sheet and the back sheet can be joined to each other only on one side, and one sheet may be folded into two to be a top sheet and a back sheet, respectively.

The same main release paper is provided on each of the top sheet and the back sheet, and one of them will be described below. The main release paper can be composed of a single release paper folded in two. When folded in two, instead of folding at the center in the left-right direction of one piece of release paper, it is folded at a position shifted by several centimeters, and the double part of the release paper overlaps the adhesive surface of the top sheet (or back sheet) So that At that time, as described above, the main release paper is
In order to provide a portion of the adhesive surface that does not function as release paper, the main release paper is arranged so that the entire surface does not cover the adhesive surface, and the release paper gripping portion projects from the top sheet and the back sheet.

When using the pressure-sensitive adhesive sheet according to the present application,
The object to be pasted is disposed at a position where at least a part of the main release paper did not function as the release paper so as to be adhered to the top sheet and the back sheet, and the sub release paper is removed. Then, with one hand, from the outside of the sheet, while holding the part where the object to be stuck is stuck inside, while holding the release paper gripping part of the main release paper with the other hand, pull out the main release paper . At this time, at the same time as the main release paper is peeled off from the back sheet and the top sheet, the back sheet and the top sheet are attached to the object to be pasted.

In the pressure-sensitive adhesive sheet according to the present invention, the shape and size of the object to be pasted are not particularly limited as long as they can be pasted on a desk. Also, the material of the object to be pasted can be widely applied by appropriately applying an adhesive.

In the pressure-sensitive adhesive sheet according to the present invention, the material and color of the pressure-sensitive adhesive sheet are not particularly limited. Many of the commonly used ones are colorless and transparent, but can be applied to various types such as colored transparent and non-transparent depending on the purpose of attaching the adhesive sheet. It is naturally necessary to appropriately change the pressure-sensitive adhesive depending on the material of the pressure-sensitive adhesive sheet.

The position where the pressure-sensitive adhesive sheet according to the present invention is stuck on the object to be stuck is not particularly limited. It can also be used as an object to be attached so that the object to be attached is located at the center of the entire sheet, or as an object to be attached to a position shifted from the center of the entire sheet. Further, the pressure-sensitive adhesive sheet can also be used as a part to be attached to a part of an object to be attached without being attached to the entire object.

[0018]

First Embodiment FIGS. 1 to 7 show a first embodiment. For the purpose of illustration, all the sheets (adhesive sheet, main release sheet, anti-adhesion sheet, card) are shown as not touching each other in all figures, but these sheets are actually completely or They are almost in contact. This is the same in the second embodiment described later.

In the following description, the left-right direction of the adhesive sheet 2 shown in FIG. 3 is referred to as “left-right direction”, the up-down direction is referred to as “up-down direction”, and the near side is referred to as “front-side direction”.

As shown in FIGS. 1, 2 and 3, the card protection sheet 1 comprises an adhesive sheet 2, two main release sheets 4 and 9, and a sub release sheet 10. The adhesive sheet 2 is folded back at an end portion 3 which is located substantially at the center in the left-right direction, and one side is a front sheet 11 and the other is a back sheet 12 at the border. The top sheet 11 is attached to the front surface of the card 20 and the back sheet 12 is attached to the back surface of the card 20. In the adhesive sheet 2,
An adhesive is applied on the adhesive surface 8.

The main release sheet 4 is folded back at a fold 5. The fold 5 is not at the center in the left-right direction when the main release sheet 4 is spread, but at a position shifted by the width indicated by B. That is, the main release sheet 4 has a short width surface 6 and a long width surface 7 with the folded back 5 as a boundary, and the short width surface 6 is
The adhesive sheet 2 functions as a release paper, so that the long side surface 7 comes inside when the adhesive sheet 2 is closed. Also, the main release sheet 4 has a folded back 5 from the end 3 of the adhesive sheet 2 to A
It is placed in a position with a width gap. This gap becomes the adhesive sheet gripping portion 13 in use.

The main release sheet 9 has the same structure as the main release sheet 4 and functions as a release paper for the adhesive surface of the back sheet 12.

That is, as shown in FIGS. 2 and 3,
When the adhesive sheet 2 is folded back at the folding back 5 and closed, the long width surfaces of the main release sheet 4 and the main release sheet 9 are
It projects from the adhesive sheet 2 by the width of B.

Further inside the main release sheet 4 and the main release sheet 9, the main release sheet 4 of the adhesive surface 8 of the adhesive sheet 2 is provided.
In addition, there is a sub-release sheet 10 that functions as a release paper in a portion of the adhesive sheet 13 where the main release sheet 9 is not in contact.
The auxiliary release sheet 10 is sufficient if it functions as a release sheet for the adhesive sheet gripping portion 13 and is short in the left-right direction.

FIGS. 4, 5 and 6 show the use state of the card protection sheet 1. FIG.

First, as shown in FIG. 4, the card protection sheet 1 is placed on a workbench (not shown), the adhesive sheet 2 is opened, and the card 20 is put on the top sheet 11 and the back sheet 12.
Then, the auxiliary release sheet 10 is removed. At this time, the main release sheet 4 is attached to the top sheet 11 and the main release sheet 9 is attached to the back sheet 12. The card 20 is arranged so that its end reaches the portion A on the adhesive surface of the adhesive sheet 2. In some cases, the card 20 is arranged at a position in contact with the end 3. As shown in FIG. 3, the adhesive sheet 2
Has a width in the up-down direction and a width in the left-right direction that can completely cover the card 20 in the up-down direction and the left-right direction when the card 20 is arranged.

Next, as shown in FIG. 5, the adhesive sheet 2 is closed, and the adhesive sheet gripping portion 13 is gripped with one hand. The adhesive sheet gripping portion 13 has the main release sheet 4 inside.
And the main release sheet 9 does not exist. Further, the main release sheet 4 is held with the other hand while the adhesive sheet 2 is left on the worktable.
Then, the main release sheet 9 grasps the portion of the release sheet gripping portion 14 protruding from the adhesive sheet 2 and pulls out the main release sheets 4 and 9 in the direction of arrow C as shown in FIG. Then, at the same time as the main release sheets 4 and 9 are pulled out, the top sheet 11 is attached to the front surface of the card 20 and the back sheet 12 is attached to the back surface, respectively, as shown in FIG.

[0028]

Second Embodiment FIGS. 8 to 10 show a second embodiment. As shown in FIGS. 8 to 10, the card protection sheet 21 includes an adhesive sheet 22 and a single release sheet 24.
The adhesive sheet 22 is folded back at an end portion 23 located substantially at the center in the left-right direction. One of the adhesive sheet 22 and the other is a front sheet 27 and the other is a back sheet 28 after the folding. The top sheet 27 is attached to the front surface of the card 20 and the back sheet 28 is attached to the back surface of the card 20. An adhesive is applied to the adhesive sheet 22 on the adhesive surface 29.

The release sheet 24 is folded back at a fold 25. The folded back 25 is not located at the center in the left-right direction when the release sheet 24 is spread, but is shifted to one side in the left-right direction by the width indicated by D. The shifted width projects from the adhesive sheet 22 when the card protection sheet 21 is folded back at the fold 25, and becomes the release sheet gripping portion 26.

FIGS. 9 and 10 show the card protection sheet 21.
This shows the usage state of. First, as shown in FIG. 9, the card protection sheet 21 is placed on a workbench (not shown), the adhesive sheet 2 is opened, and a part of the release sheet 28 corresponding to one of the back sheet 28 or the front sheet 27. Peel off only. Next, the card 20 to be protected is inserted as shown in the figure, and is pressed to an appropriate position on the front sheet or the back sheet of the adhesive sheet 22.

Next, as shown in FIG. 10, the card protection sheet 21 is turned over so that the side of the front or back adhesive sheet to which the card is crimped comes down, the adhesive sheet 22 is closed, and one hand is used. The release sheet 24 is pulled out while holding the release sheet holding portion 26 with the other hand while suppressing the vicinity of the folded back 23 of the adhesive sheet.

That is, in Embodiment 2, Embodiment 1
It is even simpler in structure.

[0033]

According to the pressure-sensitive adhesive protection sheet according to the present invention, the pressure-sensitive adhesive sheet can be easily attached with one touch to the front and back surfaces of the flat-plate-shaped object to be adhered. Since the sticking is completed by quickly peeling the release paper in one direction, there is almost no air between the sheet and the object to be stuck and wrinkles.

Further, since the structure is simple, it can be manufactured easily and inexpensively, can be provided to the market at low cost, and can be used casually by ordinary consumers.

The size of the object to be pasted is not limited as long as it can be normally handled on a desk or the like. In addition, since the attachment is performed manually by the user without using any other device, the thickness of the target object can be set to a certain width.

[Brief description of the drawings]

FIG. 1 is a bottom view showing an open state before use of an adhesive protection sheet according to Example 1 of the present application.

FIG. 2 is a bottom view showing the closed state of the pressure-sensitive adhesive protective sheet according to the first embodiment before use.

FIG. 3 is a front view showing the closed state of the pressure-sensitive adhesive protection sheet according to the first embodiment before use.

FIG. 4 is a bottom view showing a state in which the pressure-sensitive adhesive protective sheet according to the first embodiment of the present invention is being applied.

FIG. 5 is a bottom view showing a state in which the pressure-sensitive adhesive protective sheet according to the first embodiment of the present invention is being applied.

FIG. 6 is a bottom view showing a state in which the pressure-sensitive adhesive protective sheet according to the first embodiment of the present invention is being applied.

FIG. 7 is a bottom view showing a state in which sticking of the pressure-sensitive adhesive protection sheet according to the first embodiment of the present invention is completed.

FIG. 8 is a bottom view showing an open state of the pressure-sensitive adhesive protection sheet according to the second embodiment before use.

FIG. 9 is a bottom view showing a state in which the pressure-sensitive adhesive protective sheet according to the second embodiment of the present invention is being applied.

FIG. 10 is a bottom view showing a state in which the pressure-sensitive adhesive protective sheet according to Example 2 of the present application is being applied.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Card protection sheet 2 ... Adhesive sheet 3 ... End part 4 ... Main release sheet 5 ... Folding 6 ... Short width side 7 ... Long width side 8 ... Adhesive side 9・ ・ ・ Main release sheet 10 ・ ・ Sub release sheet 11 ・ ・ Top sheet 12 ・ ・ Back sheet 13 ・ ・ Adhesive sheet gripping part 14 ・ ・ Release sheet gripping part 20 ・ ・ Card 21 ・ ・ Card protection sheet 22 ・ ・Adhesive sheet 23..End 24..Release sheet 25..Fold back 26..Release sheet gripping part 27..Front sheet 28..Back sheet 29..Adhesive surface

────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] April 24, 2000 (200.4.2
4)

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

FIG. 2

FIG. 3

FIG. 4

FIG. 5

FIG. 6

FIG. 7

FIG. 8

FIG. 9

FIG. 10

Claims (8)

[Claims] 1. A method in which at least one side is joined and the top sheet and the back sheet are bonded to each other, and the facing sheet and the back sheet are bonded to each other when they are bent at the joining side and overlapped. An adhesive protection sheet comprising a release sheet gripping portion protruding from the top sheet and the back sheet, and a single release sheet formed by joining the top release sheet and the back release sheet on at least one side. 2. The pressure-sensitive adhesive protective sheet according to claim 1, wherein
After the object to be pasted adheres to the exposed surface of only the surface release paper or the backside release paper that has been peeled off and the surface sheet or the backside sheet has been peeled off, the entire release paper The peeling of the top sheet and the back sheet onto both front and back surfaces of the object to be pasted is completed in parallel with the peeling from the top sheet or the back sheet via the release paper gripping portion. Adhesive protection sheet. 3. The pressure-sensitive adhesive protection sheet according to claim 1, wherein the top sheet and the back sheet have the same shape. 4. A method in which a top sheet and a back sheet are bonded on at least one side thereof and are bent at the side to be joined and overlap each other. The main release paper that has a release paper gripping portion protruding from the top sheet and the back sheet and is arranged so as to have a portion that does not function as a release paper for a part of the adhesive surface, wherein the top sheet and the An adhesive protection sheet comprising a main release paper provided on both of the back sheets and a sub release paper functioning as a release paper in a portion where the main release paper does not function as a release paper. 5. The pressure-sensitive adhesive protection sheet according to claim 4, wherein the top sheet and the back sheet are joined only on one side. 6. The pressure-sensitive adhesive protection sheet according to claim 4, wherein the top sheet and the back sheet are formed by bending a single sheet into two at the center thereof. Sheet. 7. The pressure-sensitive adhesive protective sheet according to claim 4, wherein the main release paper is formed of one release paper folded in two such that only the release paper gripping portions do not overlap. An adhesive protection sheet characterized by comprising: 8. The pressure-sensitive adhesive protective sheet according to claim 4, wherein
The sub-release paper is removed, and at least a part of the object to be adhered adheres to both the top sheet and the back sheet at a portion where the main release paper did not function as the release paper, and the top sheet and the back surface At the same time that the main release paper provided on the sheet is peeled off from the back sheet and the top sheet via the release paper gripping part, the back sheet and the top sheet are attached to the object to be pasted at the same time. An adhesive protection sheet characterized by the above-mentioned.