CN218491654U - But cotton double faced adhesive tape of bubble of reworking is with tearing membrane and bubble cotton double faced adhesive tape - Google Patents
But cotton double faced adhesive tape of bubble of reworking is with tearing membrane and bubble cotton double faced adhesive tape Download PDFInfo
- Publication number
- CN218491654U CN218491654U CN202222877969.XU CN202222877969U CN218491654U CN 218491654 U CN218491654 U CN 218491654U CN 202222877969 U CN202222877969 U CN 202222877969U CN 218491654 U CN218491654 U CN 218491654U
- Authority
- CN
- China
- Prior art keywords
- tear
- film
- tape
- unit
- foam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 23
- 239000012528 membrane Substances 0.000 title claims abstract description 21
- 229920000742 Cotton Polymers 0.000 title abstract description 23
- 239000010410 layer Substances 0.000 claims description 41
- 239000006260 foam Substances 0.000 claims description 39
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000005191 phase separation Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 8
- 239000003292 glue Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001154 acute effect Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Images
Landscapes
- Adhesive Tapes (AREA)
Abstract
The utility model discloses a can reprocess cotton tear film for double faced adhesive tape of bubble, tear film include a plurality of unit tear tape, and the length of a plurality of unit tear tape extends along the first direction, and adjacent unit tear tape sets up side by side, connects through some broken string between the adjacent unit tear tape. The utility model discloses can rework bubble cotton double faced adhesive tape is with tearing membrane rational in infrastructure, will tear the membrane and set up to the strip that extends along same direction, utilize the point broken string that sets up between the adjacent unit tear strip to tear the disconnection, phase separation between the adjacent unit tear strip, until will tear the cotton layer phase separation of bubble on membrane and its two surfaces, realize that the work piece reworks, easy and simple to handle, it is efficient.
Description
Technical Field
The utility model belongs to the technical field of the electronic equipment sticky tape technique and specifically relates to a but cotton double faced adhesive tape of reworking bubble is with tearing membrane and cotton double faced adhesive tape of bubble.
Background
The double-sided foam adhesive tape is an adhesive tape with a foam layer as a base material and two opposite surfaces in the thickness direction coated with pressure-sensitive adhesive, is mainly used for fixing a back shell, a screen frame body, a battery and the like of an electronic product and has good buffering performance. The problem such as inaccurate or attached work piece damage of counterpoint can appear in the in-service use in-process of two-sided bubble cotton tape unavoidably, needs to remove two-sided tape from the workpiece surface of both sides, and the processing of doing over again promptly, traditional bubble cotton tape can't satisfy the requirement of doing over again.
The patent CN208218754U discloses a PU black foam double-sided adhesive tape material which is formed by mutually bonding an easy-to-draw adhesive material layer, a foam layer, an ultrathin black PET substrate layer, a shading adhesive material layer and a double-silicon PET release film substrate layer from top to bottom in sequence. This bubble cotton double faced adhesive tape material reworks operation includes: and dividing the foam layer into two parts on the section of the adhesive tape in the thickness direction by using a blade, and then removing the adhesive material layer, the PET substrate layer and the laminated body of the residual foam. The drawbacks of rework operations are: the thickness of the foam layer is small, and the PET substrate layer is inevitably damaged in the process that the blade divides the foam into two parts; secondly, the foam adhesive tape is adhered between the two hard workpieces, the operation action of cutting the foam by the blade is limited, the workload is large, and the consumed time is long. In addition, the workpieces bonded by the double-sided adhesive tape are in a scarf joint structure, and the blade cannot extend between the two workpieces, so that the application range of the existing reworked double-sided foam adhesive tape sold in the market is further narrowed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of the purpose lies in overcoming the defect that exists among the prior art, provides a can reprocess bubble cotton double faced adhesive tape with tearing the membrane, and the membrane that tears sets up to the strip that extends along same direction, utilizes the point broken string that sets up between the adjacent unit tear strip to tear the disconnection, and the phase separation between the unit tear strip, the cotton layer phase separation of two surfaces bubble until will tear the membrane realizes doing over again.
In order to realize the technical effects, the utility model adopts the technical scheme that: the utility model provides a can reprocess cotton double faced adhesive tape of bubble with tear film, tear film includes a plurality of unit tear tape, a plurality of the length of unit tear tape extends along the first direction, and is adjacent unit tear tape sets up side by side, and is adjacent connect through the point broken string between the unit tear tape.
The preferred technical scheme is that thinning units are arranged at the point broken line connection positions between the adjacent unit tearing strips, and the thickness of the thinning units is gradually reduced from two sides to the middle along the parallel direction.
The preferable technical scheme is that the first direction is consistent with the film length direction of the tearing film.
The preferable technical scheme is that the tearing film comprises a first surface and a second surface along the thickness direction, the first surface and/or the second surface are/is provided with a release film, and an easy-to-tear glue is arranged between the release film and the tearing film.
The preferable technical scheme is that the tear film is made of polyester, polyamide or polyethylene.
The preferable technical scheme is that the film thickness of the tear film is 10 to 30 mu m, and the width of the unit tear tape is 0.5 to 1.5mm.
The utility model discloses a two aims at overcoming the defect that exists among the prior art, provide a cotton double sided tape of bubble, but including foretell rework bubble cotton double sided tape with tearing draw the membrane, it is equipped with the cotton layer of bubble to tear two surface divisions that draw the membrane, the cotton layer dorsad of bubble the surface that tears drawing the membrane is provided with the adhesive linkage.
The preferable technical scheme is that a reinforcing layer is further arranged between the foam layer and the bonding layer.
The utility model has the advantages and the beneficial effects that:
the utility model discloses can rework bubble cotton double faced adhesive tape is with tearing membrane rational in infrastructure, will tear the membrane and set up to the strip that extends along same direction, utilize the point broken string that sets up between the adjacent unit tear strip to tear the disconnection, phase separation between the adjacent unit tear strip, until will tear the cotton layer phase separation of bubble on membrane and its two surfaces, realize that the work piece reworks, easy and simple to handle, it is efficient.
Drawings
FIG. 1 is a side view of the tear film in accordance with example 1 of the present invention in a flattened state;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a top view of the tear film of example 1 of the present invention in a flattened state;
FIG. 4 is a schematic view showing the tearing of a tear film according to example 1 of the present invention;
FIG. 5 is a schematic structural view of a foam double-sided tape according to embodiment 1 of the present invention;
FIG. 6 is a schematic view showing the tearing of a tear film according to example 2 of the present invention;
FIG. 7 is a cross section of the connecting portion of the broken line at the point in the parallel direction according to the embodiment of the present invention;
fig. 8 is a cross section of the embodiment 4 point broken line junction along the parallel direction.
In the figure: 1. tearing the film; 2. a release film; 3. soaking a cotton layer; 4. an adhesive layer; 10. a unit tear strip; 11. point disconnection; 12. a thinning unit; 20. the glue is easy to be torn off; 101. and (5) extending the section.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
A first direction
The first direction and the film length direction of the tearing film form any included angle, namely the first direction is consistent with the film length direction of the tearing film, or arranged in an acute angle or an obtuse angle. When the double-sided tape is used by combining foam to form the double-sided tape, in order to smoothly tear and pull the strip-shaped unit tear strips away from the outer side edge of the workpiece, further, the first direction and the film length direction of the tear film form an acute angle, and the acute angle is 0-15 degrees. In order to facilitate processing and simplify the production process, further, the first direction is consistent with the film length direction of the tearing film.
Release film
The easy-to-tear glue is separated along with the release film. The foam is prepared on two sides of the discontinuous tearing film by foaming through the release film. The setting of easily tearing off glue ensures that difficult breaking away from in the foaming raw materials foaming process, improves the processing stability.
Unit tear strip
The surfaces of the unit tearing strips are rough surfaces, so that the adhesion force between the unit tearing strips and the foam layer is increased; on the other hand, when the end part of the unit tearing strip is connected with the extension section in the reworking process, the bonding firmness with the extension section can be increased.
Thinning unit
In order to facilitate tearing and separation between unit tearing strips and improve separation efficiency, a point broken line connecting part between adjacent unit tearing strips is provided with a thinning unit, and the thickness of the thinning unit is gradually reduced from two sides to the middle along the parallel direction.
The tearing film comprises a first surface and a second surface along the thickness direction, the first surface and the second surface are both provided with thinning units, and the thinning units on the first surface and the second surface are arranged in one-to-one correspondence; or one of the first surface and the second surface is provided with a thinning unit.
Enhancement layer
The material of the enhancement layer is PET or TPU. The enhancement layer includes first enhancement layer and second enhancement layer, and first enhancement layer and second enhancement layer are located the surface that the cotton layer of bubble dorsad torn and drawn the membrane respectively, and the material of first enhancement layer and second enhancement layer is the same or different.
Example 1
As shown in fig. 1~5, the tear film for reworkable foam double sided tape of embodiment 1 includes a plurality of unit tear tapes 10, the lengths of the unit tear tapes 10 extend in a first direction, adjacent unit tear tapes 10 are connected by a dotted line 11, the adjacent unit tear tapes 10 are arranged in parallel, and the first direction is the same as the film length direction of the tear film 1.
Tear and draw membrane 1 to include first surface and second surface along the thickness direction, the first surface is provided with from type membrane 2, is provided with easily to take off glue 20 from type membrane 2 and between tearing draw membrane 2.
The tearing film 1 is made of PET polyester. The thickness of the tearing film 1 is 12 μm, the thickness of the release film 2 is 50 μm, and the thickness of the easy-uncovering glue 20 is 20 μm.
The width of the reworkable foam double-sided tape is 8mm, and the width of the unit tear tape 10 is 1mm.
The foam double-sided adhesive tape comprises the reworkable foam double-sided adhesive tape tearing film, foam layers 3 are respectively arranged on two surfaces of the tearing film 1, and bonding layers 4 are arranged on the surfaces, back to the tearing film 1, of the foam layers 3. The bonding layer 4 is connected with the workpiece, and the foam double-sided tape can be used.
Example 2
As shown in fig. 6, example 2 is based on example 1, except that lengths of a plurality of unit tear tapes 10 extend in a first direction, adjacent unit tear tapes 10 are juxtaposed, and the first direction is disposed at an acute angle to a film length direction of the tear film 1.
Example 3
As shown in fig. 7, embodiment 3 is based on embodiment 1, and is different in that a thinning unit 12 is provided at a point-break line 11 connection between adjacent unit tear tapes 10, the thickness of the thinning unit 12 is gradually reduced from both sides to the middle in the juxtaposition direction, and the tear film 1 includes a first surface provided with the thinning unit 12 and a second surface.
Example 4
As shown in fig. 8, embodiment 4 is based on embodiment 3, and is different in that the first surface and the second surface are each provided with the thinning units 12, and the thinning units 12 of the first surface and the second surface are provided in one-to-one correspondence.
In applying the tear film of embodiments 1, 2, 3 and 4 to the structure of the foam double-sided tape, when performing rework operation, the end of the unit tear tape 10 is provided with the extension segment 101, and the tear line 11 arranged between the adjacent unit tear tapes 10 is convenient for tear and break, so as to form a gap between the foam layers 3 arranged on the first surface and the second surface of the tear film 1, thereby realizing the separation of the foam layers 3, reducing the workload of manually dividing the foam layers in the rework operation, and making rework more rapid and convenient.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a but foam double faced adhesive tape of doing over again is with tearing membrane, its characterized in that, it includes a plurality of unit tear tape, a plurality of the length of unit tear tape extends along the first direction, and is adjacent unit tear tape sets up side by side, and is adjacent connect through the point broken line between the unit tear tape.
2. The reworkable tear film for foam double sided tape according to claim 1, wherein a thinning unit is provided at the point-and-break line connection between adjacent unit tear tapes, and the thickness of the thinning unit is gradually reduced from two sides to the middle in the juxtaposition direction.
3. The reworkable foam double sided tape tear film according to claim 1 or 2, wherein the first direction is in accordance with a film length direction of the tear film.
4. The reworkable tear film for foam double faced adhesive tape according to claim 1 or 2, wherein the tear film comprises a first surface and a second surface along the thickness direction, the first surface and/or the second surface is/are provided with a release film, and an easy-release adhesive is arranged between the release film and the tear film.
5. The tear film for reworkable foam double sided tape according to claim 1, wherein the tear film is made of polyester, polyamide or polyethylene.
6. The tear film for the reworkable foam double sided tape according to claim 1 or 5, wherein the film thickness of the tear film is 10 to 30 μm, and the width of the unit tear tape is 0.5 to 1.5mm.
7. A foam double-sided tape, characterized by comprising the reworkable foam double-sided tape tearing film as claimed in any one of claims 1~6, wherein foam layers are respectively arranged on two surfaces of the tearing film, and an adhesive layer is arranged on the surface of the foam layer, which faces away from the tearing film.
8. The foam double-sided tape according to claim 7, wherein a reinforcing layer is further disposed between the foam layer and the adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222877969.XU CN218491654U (en) | 2022-10-31 | 2022-10-31 | But cotton double faced adhesive tape of bubble of reworking is with tearing membrane and bubble cotton double faced adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222877969.XU CN218491654U (en) | 2022-10-31 | 2022-10-31 | But cotton double faced adhesive tape of bubble of reworking is with tearing membrane and bubble cotton double faced adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218491654U true CN218491654U (en) | 2023-02-17 |
Family
ID=85196638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222877969.XU Active CN218491654U (en) | 2022-10-31 | 2022-10-31 | But cotton double faced adhesive tape of bubble of reworking is with tearing membrane and bubble cotton double faced adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218491654U (en) |
-
2022
- 2022-10-31 CN CN202222877969.XU patent/CN218491654U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218491654U (en) | But cotton double faced adhesive tape of bubble of reworking is with tearing membrane and bubble cotton double faced adhesive tape | |
| CN207632740U (en) | A kind of novel adhesive tape | |
| CN218491649U (en) | Composite film with tearable layer and foam double-sided adhesive tape | |
| CN111454669B (en) | Shading adhesive tape convenient to detach and production process thereof | |
| CN211170566U (en) | Flexible screen protection film | |
| CN221421049U (en) | Double faced adhesive tape convenient to tear | |
| CN115584215B (en) | Reworked double-sided foam adhesive tape, reworking method and preparation method | |
| CN210394242U (en) | Novel convenient double-sided sticker | |
| CN107054873A (en) | Integral type tears hand diaphragm | |
| CN210777523U (en) | PET adhesive label | |
| CN208250213U (en) | A kind of double-sided adhesive | |
| CN211546405U (en) | Anti-tearing attaching structure | |
| CN215327853U (en) | Ultra-low-viscosity removable environment-friendly adhesive sticker | |
| CN221397775U (en) | Elastic pressure-sensitive adhesive tape | |
| CN218879806U (en) | Separable double-sided adhesive tape | |
| CN218679488U (en) | Flexible sheet material of graphite alkene | |
| CN213894503U (en) | Pressure-sensitive adhesive tape for high-temperature vacuum forming | |
| CN221028218U (en) | Double-sided adhesive tape for iron shell frame of backlight module | |
| CN210826032U (en) | Double-sided adhesive sticker with mutually-backing paper | |
| CN218596305U (en) | Non-viscous protective film | |
| CN216584845U (en) | Conductive adhesive tape convenient to tear | |
| CN213596205U (en) | Ultra-thin adhesive with antistatic function for electronic product | |
| CN210639872U (en) | Multilayer adhesive label | |
| CN203559007U (en) | Novel double-faced adhesive tape | |
| CN216526607U (en) | Double-sided bonding structure and liquid crystal display module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of reusable foam double-sided adhesive film and foam double-sided tape Effective date of registration: 20231012 Granted publication date: 20230217 Pledgee: Yunongshang Financial Leasing Co.,Ltd. Pledgor: JIANGYIN TONGLI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980060795 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |