CN216513627U - Double-sided film and cold air filter screen set containing same - Google Patents
Double-sided film and cold air filter screen set containing same Download PDFInfo
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- CN216513627U CN216513627U CN202121552936.7U CN202121552936U CN216513627U CN 216513627 U CN216513627 U CN 216513627U CN 202121552936 U CN202121552936 U CN 202121552936U CN 216513627 U CN216513627 U CN 216513627U
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- release layer
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- sided film
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Abstract
A double-sided film and a cold air filter screen set containing the double-sided film comprise a first release layer, a second release layer and an adhesive body, wherein the first release layer and the second release layer respectively comprise a first edge and a second edge, the adhesive body is clamped between the first release layer and the second release layer and is provided with a first end part and a second end part, the first edges of the first release layer and the second release layer are generally aligned, the first end part of the adhesive body is retracted relative to the first edges of the first release layer and the second release layer, the second edge of the first release layer is generally aligned with the second end part of the adhesive body, and the second edge of the second release layer is protruded relative to the second edge of the first release layer and the second end part of the adhesive body. The release layer of the double-sided adhesive sheet is easy to remove, so that the structure of an attached object cannot be damaged by tearing the release layer.
Description
Technical Field
The utility model relates to a double-sided adhesive sheet, in particular to a double-sided adhesive sheet with an easily-torn release layer.
Background
Generally, double-sided adhesive tapes are mostly in a rolled state, and only one side of an adhesive body is provided with a release layer. However, in some special applications, the double-sided tape must be cut into small pieces for users to stick, and then a release layer is attached to both adhesive surfaces of the adhesive body of the double-sided tape, so as to prevent the adhesive body from being contaminated and losing its adhesiveness.
The cooling or heating device is a common device for cooling or heating air. To obtain better air quality, cold air or warm air machines are usually used with a filter screen, which is usually adhered to a filter screen frame by a double-sided adhesive tape or sheet. However, due to the special material of the non-woven fabric, the double-sided tape, the adhesive sheet or the double-sided adhesive sheet adhered to the non-woven fabric filter screen is not easily separated from the release layer, and is difficult to be torn off from the release layer, and even the structure of the non-woven fabric filter screen may be damaged by tearing off the release layer.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a double-sided adhesive sheet that is easy to remove the release layer and will not damage the structure of the object to be adhered by removing the release layer.
To achieve the above object, the present invention provides a double-sided film, which includes a first release layer and a second release layer, each of which includes a first edge and a second edge; the adhesive body is clamped between the first release layer and the second release layer and is provided with a first end part and a second end part; wherein the first edge of the first release layer and the first edge of the second release layer are generally aligned, the first end of the adhesive body is retracted relative to the first edge of the first release layer and the second release layer, the second edge of the first release layer is generally aligned with the second end of the adhesive body, and the second edge of the second release layer is protruded relative to the second edge of the first release layer and the second end of the adhesive body.
In one embodiment of the present invention, a releasing force of the first releasing layer with respect to the adhesive body is greater than a releasing force of the second releasing layer with respect to the adhesive body.
In one embodiment of the utility model, the adhesive body further comprises a substrate, and two opposite sides of the substrate are coated with an adhesive.
In one embodiment of the present invention, the first release layer includes a post-tear mark, and the second release layer includes a pre-tear mark.
In one embodiment of the present invention, the adhesive body is acrylic adhesive.
In one embodiment of the present invention, the second edge of the first release layer and the second end of the adhesive body each include at least one chamfered corner.
In an embodiment of the utility model, the width of the second end of the adhesive body is equal to the width of the second edge of the first release layer and is greater than the width of the first end of the adhesive body.
To achieve the above object, the present invention further provides a cold air filter screen set, which comprises a non-woven fabric filter screen and any one of the above double-sided films.
According to the double-sided film provided by the utility model, the release layer is easy to remove, so that the structure of the attached object cannot be damaged by tearing off the release layer.
Drawings
The present invention will now be described with reference to the accompanying drawings, which are included to illustrate preferred embodiments of the utility model and are not intended to limit the utility model, and wherein:
fig. 1 is a schematic side view of a double-sided film according to a first embodiment of the present invention.
Fig. 2 is a schematic side view of a double-sided film according to a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of a double-sided film according to a third embodiment of the present invention.
Fig. 4A is a schematic perspective view of a double-sided film according to a fourth embodiment of the present invention.
Fig. 4B is a plan view taken along a-a' direction of fig. 4A.
Fig. 4C and 4D show different variations of the glue body of fig. 4B.
[ notation ] to show
Detailed Description
For the purpose of better illustrating the features, contents and advantages of the present invention and the effects achieved thereby, the present invention will now be described in detail by way of embodiments in conjunction with the accompanying drawings, wherein the drawings are provided for illustrative and supplementary purposes only, and therefore the scope of the present invention should not be interpreted and limited by the scale and arrangement of the drawings.
Please refer to fig. 1, which is a schematic diagram of a double-sided film according to a first embodiment of the present invention. As shown in fig. 1, the double-sided film 1 includes a first release layer 11, an adhesive body 13, and a second release layer 15, each of which is a thin layer, wherein the adhesive body 13 is sandwiched between the first release layer 11 and the second release layer 15. The first release layer 11 has a first edge 111 and a second edge 112 at two opposite sides in the length direction, the second release layer 15 also has a first edge 151 and a second edge 152 at two opposite sides in the length direction, and the adhesive body 13 has a first end 131 and a second end 132 at two opposite sides in the length direction, wherein the first edges 111 and 151 of the first and second release layers 11 and 15 and the first end 131 of the adhesive body 13 are adjacent to each other, and the second edges 112 and 152 of the first and second release layers 11 and 15 are adjacent to the second end 132 of the adhesive body 13.
Referring to fig. 1 again, in the present embodiment, the first edges 111 and 151 of the first and second release layers 11 and 15 are substantially aligned, and the first end portion 131 of the adhesive body 13 is substantially retracted relative to the first edges 111 and 151 of the first and second release layers 11 and 15, in other words, the first end portion 131 has a distance step difference with the first edges 111 and 151 of the first and second release layers 11 and 15; the second edge 112 of the first release layer 11 is substantially aligned with the second end 132 of the adhesive body 13, and the second edge 152 of the second release layer 15 substantially protrudes relative to the second edge 112 of the first release layer 11 and the second end 132 of the adhesive body 13, that is, the second edge 152 extends outward with a distance difference relative to the second edge 112 of the first release layer 11 and the second end 132 of the adhesive body 13.
In this embodiment, the thickness of the first and second release layers 11 and 15 is not limited, and can be the thickness of a release film used for a common double-sided tape. The materials of the first and second release layers 11, 15 are not limited, for example: can be a PET film, a PE film, an OPP film, or the like coated with a release agent, wherein preferably, the release force of the first release layer 11 relative to the adhesive body 13 is greater than the release force of the second release layer 15 relative to the adhesive body 13, in other words, the second release layer 15 is easier to separate from the adhesive body 13 than the first release layer 11. The thickness of the adhesive body 13 is not limited, and the material of the adhesive body 13 may be acrylic adhesive or other adhesive materials that can be used as a double-sided adhesive or an adhesive sheet.
Referring to fig. 1, when a user wants to use the double-sided adhesive sheet 1 of the present invention, since the first edges 111 and 151 of the first and second release layers 11 and 15 are substantially aligned but the first end 131 of the adhesive body 13 is retracted inward relative to the first and second edges, and the second edge 112 of the first release layer 11 is substantially aligned with the second end 132 of the adhesive body 13, but the second edge 152 of the second release layer 15 is protruded relative to the second edge 112 of the first release layer 11 and the second end 132 of the adhesive body 13, and the releasing force of the second release layer 15 relative to the adhesive body 13 is selectively smaller than the releasing force of the first release layer 13 relative to the adhesive body 13, the user can easily operate to directly tear the second release layer 15 from the adhesive body 13 and the first release layer 11 from the second end 152 of the second release layer 15, and attach the adhesive body 13 to the first attached object on the side facing the second release layer 15, for example: a cold air filter screen. Then, since the first edge 111 of the first release layer 11 protrudes relative to the first end 131 of the adhesive body 13, the user can easily tear the first release layer 11 off the adhesive body 13, so that the side of the adhesive body 13 facing the first release layer 11 is exposed and can be adhered to a second attached object, such as a cold air frame, and thus the attached object and the second attached object can be combined through the adhesive body 13.
In order to avoid the user from confusing the tearing sequence of the first and second release layers 11, 15, a first tearing mark (not shown) may be selectively printed on the second release layer 15, where the first tearing mark may be a written description of a text or a number sequence, or a color and a text description, and there is no limitation to this, so as to prompt the user to tear the second release layer first; similarly, a post-tearing mark (not shown) may be selectively attached to the first release layer 11, and the post-tearing mark and the pre-tearing mark may be respectively present on the second release layer 15 and the first release layer 11, or the post-tearing mark may be a text, a numerical sequence, or a color-matched text. In some embodiments, only the first peeling mark on the second release layer 15 may be provided and the second peeling mark on the first release layer 11 is omitted, or in another embodiment, only the second peeling mark on the first release layer 11 may be provided and the first peeling mark on the second release layer 15 is omitted.
Please refer to fig. 2, which is a schematic diagram of a double-sided film according to another embodiment of the present invention. As shown in fig. 2, the double-sided film 2 of the present embodiment also includes a first release layer 21, a second release layer 25 and an adhesive body 23, and the position and configuration thereof are similar to those of the embodiment shown in fig. 1 of the present invention. In addition, the first release layer 21 and the second release layer 25 also include first edges 211, 251 and second edges 212, 252, respectively, the adhesive body 23 also includes a first end 231 and a second end 232, and the relative positions of the first edges 211, 251 and the first end 231 and the relative positions of the second edges 212, 252 and the second end 232 are similar to the embodiment shown in fig. 1, and therefore are not repeated.
Unlike the above embodiment, the adhesive body 23 of the present embodiment further includes a base 235, and two opposite sides of the base 235 are coated with adhesives 233, 234. In some embodiments, the substrate 235 may be paper, non-woven fabric, foam substrate or plastic film, without limitation, and the adhesives 233, 234 may be acrylic or other solvent-based, hot-melt, calendering, reactive adhesives, and the like, without limitation.
Please refer to fig. 3, which is a schematic perspective view of a double-sided film according to a third embodiment of the present invention. As shown in fig. 3, the double-sided film 3 of the present embodiment is substantially similar to the embodiment shown in fig. 1, but in the present embodiment, two corners of the second edge 312 of the first release layer 31 are the reverse R corners 316, 317, and two corners of the second end 332 of the adhesive body 33 are also the reverse R corners 336 (another reverse R corner is not shown), so that it can further prevent a user from inadvertently taking the first release layer 31 away when the user first tears off the second release layer 35, so that the adhesive body 33 is not attached. Of course, in some embodiments, the second edge 312 of the first release layer 31 and the second end 332 of the adhesive body 33 may also include only one chamfered corner.
Referring to fig. 4A in conjunction with fig. 4B, fig. 4A is a schematic perspective view of a double-sided film according to an embodiment of the utility model, and fig. 4B is a top view along a-a' direction of fig. 4A. As shown in fig. 4A and 4B, the relationship between the first release layer 41, the adhesive body 43 and the second release layer 45 is substantially similar to that of the first embodiment of the present invention, but in this embodiment, the width of the second end 432 of the adhesive body 43 and the width of the second edge 412 of the first release layer 41 are both W2, and the width W2 is greater than the width W1 of the first end 431 of the adhesive body 43, that is, W2 is greater than W1, so that the problem that the adhesive body 43 is not attached when a user removes the second release layer 45 by accidentally removing the first release layer 41 together can be avoided, and the user can easily remove the first release layer 41 from the first edge 411 of the first release layer 41 after attaching the adhesive body 43 and an adherend (e.g., a cold air filter screen).
In addition, the design of the first and second ends of the adhesive body of fig. 4A-4B with different widths can also be matched with the reverse R-shaped angle of fig. 3 to ensure that the user can accidentally take the first release layer away when the user tears off the second release layer.
Of course, the present invention can be modified in other ways, not only to the design of the adhesive body 43 in a convex shape as shown in fig. 4B. For example, as shown in fig. 4C and 4D, the second end of the adhesive body is as wide as the second edge of the first release layer, but the width of the second end is larger than the first end of the adhesive body. In other words, the adhesive main body can be in a cone shape or a bullet shape, and the design that the width of the first end is smaller than the width of the second end, but the width of the second end is equal to the width of the second edge of the first release layer can be applied to the present invention, so as to prevent the user from mistakenly taking off the first release layer when the user tears off the second release layer, and also facilitate the user to easily tear off the first release layer 41 by the first edge 411 protruding from the edge of the first end 431 of the adhesive main body 43 after the adhesive main body 43 and the adherend (such as a cold air filter screen) are adhered.
It can be seen from the foregoing description that, the two sides of the double-sided adhesive sheet of the present invention both include release layers, wherein the two release layers at one end are aligned and the adhesive body is relatively retracted, and one of the release layers at the other end is protruded relative to the adhesive body and the other release layer, so that a user can separate the adhesive body from the adhesive body and the other release layer by extending the protruded release layer, and the adhesive body is still attached to the other release layer, so that the user can hold the other release layer to avoid contaminating the adhesive body and affecting its adhesiveness when attaching the adhesive body.
The present invention further provides a cold air filter screen set, which comprises a non-woven fabric filter screen and the double-sided film in any of the above embodiments. Of course, the double-sided film of the utility model can also be matched with other articles needing to be adhered (such as gift bags and the like) and has wide utilization value. The double-sided film of the present invention can be produced by a half-cut process (kit cut), but is not limited to this process, and any production method that can produce the double-sided film of the present invention can be applied to the present invention.
All equivalent variations or modifications which are within the spirit of the utility model are intended to be covered by the scope of the present invention. The above-mentioned embodiments of the present invention are provided mainly for illustrating the features of the present invention and to facilitate the understanding of the contents for those skilled in the art, and are not intended to limit the scope of the present invention.
Claims (9)
1. A double-sided film, comprising:
a first release layer and a second release layer, each of which includes a first edge and a second edge; and
the adhesive body is clamped between the first release layer and the second release layer and is provided with a first end part and a second end part;
the method is characterized in that:
the first edge of the first release layer is generally aligned with the first edge of the second release layer, the first end of the adhesive body is retracted relative to the first edges of the first and second release layers, the second edge of the first release layer is generally aligned with the second end of the adhesive body, and the second edge of the second release layer is raised relative to the second edges of the first and second release layers.
2. The double-sided film of claim 1, wherein: the first release layer is larger than the second release layer in release force relative to the adhesive body.
3. The double-sided film of claim 1, wherein: the adhesive body further comprises a base material, and two opposite sides of the base material are coated with adhesives.
4. The double-sided film of claim 1, wherein: the first release layer comprises a back tear-off mark.
5. The double-sided film of claim 1, wherein: the second release layer comprises a tear-off mark.
6. The double-sided film of claim 1, wherein: the viscose body is acrylic glue.
7. The double-sided film of claim 1, wherein: the second edge of the first release layer and the second end of the adhesive body each include at least one chamfered R angle.
8. The double-sided film of claim 1, wherein: the width of the second end part of the adhesive body is equal to the width of the second edge of the first release layer, and is greater than the width of the first end part of the adhesive body.
9. The utility model provides a contain two-sided film's air conditioning filter screen suit which characterized in that: the cold air filter kit comprises a non-woven fabric filter and the double-sided adhesive sheet of claim 1.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121552936.7U CN216513627U (en) | 2021-07-08 | 2021-07-08 | Double-sided film and cold air filter screen set containing same |
| TW110208305U TWM624281U (en) | 2021-07-08 | 2021-07-15 | Double sided tape and air conditioner filtering screen kit |
| PCT/IB2022/056344 WO2023281465A1 (en) | 2021-07-08 | 2022-07-08 | Double-sided adhesive film and cooler filter screen assembly including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121552936.7U CN216513627U (en) | 2021-07-08 | 2021-07-08 | Double-sided film and cold air filter screen set containing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216513627U true CN216513627U (en) | 2022-05-13 |
Family
ID=81461999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121552936.7U Active CN216513627U (en) | 2021-07-08 | 2021-07-08 | Double-sided film and cold air filter screen set containing same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN216513627U (en) |
| TW (1) | TWM624281U (en) |
-
2021
- 2021-07-08 CN CN202121552936.7U patent/CN216513627U/en active Active
- 2021-07-15 TW TW110208305U patent/TWM624281U/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TWM624281U (en) | 2022-03-11 |
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