JP2003057166A - Method and apparatus for test of peeling resistance of self-adhesive tape - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and an apparatus for test wherein the peeling resistance against a shear pressurization of a self-adhesive tape can be evaluated simply. SOLUTION: A test-piece holding member (40) and a splice-member holding member (50) are arranged and installed between a first guide frame (10) and a second guide frame (20), a test piece (3) in which the adhesive tape (1) is pasted on a piece (2) on which the tape is pasted is locked by a stopper (41) on the member (40), a rubber splice member (4) is spliced to the adhesive tape as a test piece, and the splice member presses the surface of the adhesive tape by the urging force of a spring (31), the member (40) and the member (50) are relatively moved back and forth by a rotating arm (72) driven by a motor (70), and the adhesive tape is shear-pressurized by the splice member.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a peeling resistance test apparatus for evaluating the peeling resistance of an adhesive tape when it is attached to an adherend.

[0002]

2. Description of the Related Art Adhesive tapes are used in a very wide range of fields, and their usage is also very wide. For example, a pressing force (hereinafter referred to as a shear pressure) that moves parallel to the surface is applied to the adhesive tape. It may be used after being used, and it is necessary to carry out a test of peeling resistance when used in this way.

However, as a test method for evaluating the peeling resistance of an adhesive tape, a 180-degree peeling adhesive strength test (JIS that holds the edge of the adhesive tape and pulls it to the opposite end side)
C2107), or there is only a 90-degree peeling adhesive force test in which the end of the adhesive tape is held and pulled vertically above the surface on which the adhesive tape is stuck, and there is only a test device corresponding to these.

With such a test method and apparatus, it is not possible to sufficiently evaluate the peeling resistance against the shift pressure as described above. Therefore, the test is performed by mounting it on the actual product, and there is a problem that the test requires a huge number of man-hours.

[0005]

SUMMARY OF THE INVENTION In view of the above problems, it is an object of the present invention to provide a test method and apparatus capable of easily evaluating the peeling resistance of an adhesive tape against shearing pressure.

[0006]

According to the invention of claim 1, an adhering member is attached on the adhesive tape of the test piece in which the adhesive tape is attached to the adherend, and the adhering member is attached to the surface of the adhesive tape. Of the pressure-sensitive adhesive tape, the pressure-sensitive adhesive tape and the pressure-sensitive adhesive member are relatively moved in a direction parallel to the surface of the pressure-sensitive adhesive tape while pressing the pressure-sensitive adhesive member from a vertical direction, and shear pressure is applied to the pressure-sensitive adhesive tape. A peel resistance test method is provided. According to such a test method, the peel resistance when shear pressure is applied to the adhesive tape can be evaluated.

According to the second aspect of the present invention, a test piece holding member for holding the test piece in which the adhesive tape is adhered to the adherend piece with the adhesive tape on the outside, and an attachment to be attached on the test piece. A splicing member holding member for holding the splicing member, a pressing means for directly or indirectly applying a pushing force to the splicing member perpendicularly to the surface of the adhesive tape, a test piece holding member and a splicing member holding member A peeling resistance test apparatus for an adhesive tape is provided, which comprises: a moving unit that moves one of the members to the other in a direction parallel to the surface of the adhesive tape. According to the test apparatus configured as described above, at the same time when the pressing member presses the attachment member on the surface of the adhesive tape,
By the moving means, one of the test piece holding member and the abutting member holding member is moved in a direction parallel to the surface of the adhesive tape with respect to the other, whereby the abutting member and the adhesive tape move relative to each other, and the adhesive tape is displaced. Pressure can be applied.

According to the invention of claim 3, in the invention of claim 2, the surface of the test piece holding member and the abutting member holding member remote from at least one test piece is guided by a roller. Will be provided.

According to the invention of claim 4, in the invention of claim 2, there is provided a test apparatus in which the pressing means is a spring member. According to the invention of claim 5, in the invention of claim 2, there is provided a test apparatus in which the pressing means is a weight.

According to the invention of claim 6, in the invention of claim 2, the adherend piece is made of a plate material having the same surface treatment as that of the adherend in actual use, and the splicing member is adhered in actual use. A test device is provided that is formed from the same material as the member used to affix to the tape.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a diagram showing a configuration of a first embodiment of a peeling resistance test apparatus for an adhesive tape of the present invention, which is a first guide frame 10 having a plurality of first guide rollers 15 and a plurality of first guide frames 10. The second guide frame 20 having the two guide rollers 25 is urged by the plurality of rods 30, the springs 31, and the thumbscrews 32 in directions toward each other.

A test piece holding member 40 and an abutting member holding member 50 are arranged between the first guide frame 10 and the second guide frame 20 so as to face each other. Then, on the test piece holding member 40, the test piece 3 in which the adhesive tape 1 is attached to the adherend 2 is locked by the stopper 41. Test piece 3
On the adhesive tape 1, the rubber-made splicing member 4, which is pressed and held in the groove 51 of the splicing member holding member 50, is spliced. Therefore, the splicing member 4 presses the surface of the adhesive tape 1 in the vertical direction by the urging force of the spring 31.

On the other hand, the test piece holding member 40 is attached to a wall 101 perpendicular to the floor 100 on which the first guide roller 15 rotates via a spring 60 at the left end in the figure, and the abutting member holding member 50 is a rod 71. It is attached to a rotary arm 72 driven by a motor 70 via. Therefore,
With the rotation of the motor 70, the test piece holding member 40 and the abutting member holding member 50 reciprocally move relative to each other,
At that time, shear pressure is applied to the adhesive tape 1 by the attachment member 4.

The peeling resistance test apparatus according to the first embodiment of the present invention is constructed as described above, and it is possible to apply shear pressure to the adhesive tape very easily. A peeling resistance test, particularly a test in which shear pressure is repeatedly applied, can be easily carried out.

Next, a second embodiment will be described. FIG. 2 is a diagram showing the configuration of the second embodiment. Similar to the first embodiment, the test piece 3 in which the adhesive tape 1 is adhered to the adherend 2 is locked onto the test piece holding member 40 by the stopper 41, and the adhesive tape 1 of the test piece 3 The rubber-made splicing member 4, which is pushed and held in the groove 51 of the splicing-member holding member 50, is spliced on the top.

A load transmission rod 52 is mounted on the abutting member holding member 50, and the load transmission rod 52 is mounted on the frame 200.
The first weight 80 is placed on the weight stand 53 attached to the upper end of the adhesive tape 1 by the weight of the first weight 80. Pushing in the direction.

On the other hand, a roller 45 is attached to the lower side of the test piece holding member 40, and the roller 45 is the frame 2
It is adapted to be movable on a plate 210 attached to the 00. The second weight 90 is attached to the right end of the test piece holding member 40 in the figure via a wire 91 passing through a pulley 92.
Is attached. Therefore, the test piece holding member 4
0 moves to the right in the figure by the second weight 90, and at that time, the adhesive tape 1 is subjected to shear pressure by the abutting member 4.

The peeling resistance test apparatus according to the second embodiment of the present invention is constructed as described above, and it is possible to apply a shearing pressure to the adhesive tape very easily. A peel resistance test, especially a small number of tests, can be easily performed.

Incidentally, instead of the rotary arm 71 driven by the motor 70 of the first embodiment, a second weight 90 as in the second embodiment may be attached to carry out a small number of tests. Yes, and conversely, the second of the second embodiment
Instead of the weight 90, a rotary arm 71 driven by the motor 70 of the first embodiment may be attached and repeated tests may be performed.

Since it is preferable to carry out the test in a state as close to the actual use as possible, the adherend piece should be a plate treated in the same manner as the actually used piece, and the splicing member should also be used in practice. It is preferable to use the same rubber material as that used in.

[0021]

The method for testing the peeling resistance of an adhesive tape according to the first aspect of the present invention comprises a step of attaching an adhesive member onto the adhesive tape of a test piece obtained by adhering the adhesive tape to an adherend, From a direction perpendicular to the surface, while pressing the attachment member, the adhesive tape and the attachment member are relatively moved in a direction parallel to the surface of the adhesive tape, and shear pressure is applied to the adhesive tape, Since shear pressure is applied to the adhesive tape, the peel resistance when shear pressure is applied to the adhesive tape can be easily and correctly evaluated.

A peeling resistance test apparatus for an adhesive tape according to a second aspect of the present invention comprises a test piece holding member for holding a test piece having an adhesive tape adhered to an adherend piece with the adhesive tape facing outside.
An attachment member holding member for holding the attachment member attached on the test piece, and a pressing means for directly or indirectly applying a pressing force to the attachment member perpendicularly to the surface of the adhesive tape. , A moving means for moving one of the test piece holding member and the abutting member holding member with respect to the other, in a direction parallel to the surface of the adhesive tape, and shearing pressure can be applied to the adhesive tape, It is possible to easily and reproducibly test the peeling resistance when shear pressure is applied to the adhesive tape. In particular, according to claim 6, the adherend piece is made of a plate material having the same surface treatment as that of the adherend in actual use, and the attachment member is used by being attached to the adhesive tape in actual use. Since it is made of the same material as the member, it can be tested in a state very close to the actual use.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a first embodiment.

FIG. 2 is a diagram showing a configuration of a second exemplary embodiment.

[Explanation of symbols]

1 ... Adhesive tape 2 ... Adherend piece 3 ... Test piece 4 ... Splicing member 10 ... First guide frame 20 ... Second guide frame 31 ... Spring 40 ... Test piece holding member 50 ... Splicing member holding member 60 ... Spring 70 ... Motor 80 ... First weight 90 ... Second weight

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Tsuyoshi Asano             Sumitomo Three, 323 Tanato, Oyama-cho, Sunto-gun, Shizuoka Prefecture             Within M Corporation F-term (reference) 2G061 AA11 AB01 BA04 CA09 CB01                       DA01 DA16 EA01

Claims (6)

[Claims] 1. An adhesive member is attached on the adhesive tape of a test piece in which an adhesive tape is attached to an adherend, and the adhesive member is pressed from a direction perpendicular to the surface of the adhesive tape. ,
A peeling resistance test method for an adhesive tape, characterized in that the adhesive tape and the attachment member are relatively moved in a direction parallel to the surface of the adhesive tape, and a shear pressure is applied to the adhesive tape. 2. A test piece holding member for holding a test piece in which an adhesive tape is adhered to an adherend piece with the adhesive tape on the outside, and an attachment for holding an attachment member attached on the test piece. Member holding member, a pressing means for directly or indirectly applying a pressing force for pressing the splicing member perpendicularly to the surface of the adhesive tape, and one of the test piece holding member and the splicing member holding member to the other. On the other hand, a peeling resistance test apparatus for an adhesive tape, comprising: a moving means for moving the adhesive tape in a direction parallel to the surface of the adhesive tape. 3. A test piece holding member and an abutting member holding member,
The test apparatus according to claim 2, wherein a surface far from at least one of the test pieces is guided by a roller. 4. The test apparatus according to claim 2, wherein the pressing means is a spring member. 5. The test apparatus according to claim 2, wherein the pressing means is a weight. 6. The adherend piece is made of a plate material having the same surface treatment as that of the adherend in actual use, and the attachment member is made of the same material as the member used by being attached to the adhesive tape in actual use. The test apparatus according to claim 2, wherein