CN210945477U - Foam adhesive capable of being quickly stripped from release film - Google Patents

Foam adhesive capable of being quickly stripped from release film Download PDF

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Publication number
CN210945477U
CN210945477U CN201922233694.4U CN201922233694U CN210945477U CN 210945477 U CN210945477 U CN 210945477U CN 201922233694 U CN201922233694 U CN 201922233694U CN 210945477 U CN210945477 U CN 210945477U
Authority
CN
China
Prior art keywords
via hole
release film
bubble
type membrane
edge
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.)
Expired - Fee Related
Application number
CN201922233694.4U
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Chinese (zh)
Inventor
黄怡然
宋利安
杨文辉
苏文宏
田晓亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou Lingshang Electronic Technology Co ltd
Original Assignee
Huizhou Lingshang Electronic Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huizhou Lingshang Electronic Technology Co ltd filed Critical Huizhou Lingshang Electronic Technology Co ltd
Priority to CN201922233694.4U priority Critical patent/CN210945477U/en
Application granted granted Critical
Publication of CN210945477U publication Critical patent/CN210945477U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a can peel off fast and leave bubble celloidin of type membrane belongs to the electronic product field, and it includes that the cotton layer of bubble and adhesion are from the type membrane on the cotton layer both sides side of bubble, edge from the type membrane has been seted up and has been run through the via hole from the type membrane, keep away from the type membrane still be provided with flexible membrane on one side of the cotton layer of bubble, flexible membrane covers the via hole setting, flexible membrane corresponds the via hole is provided with the arch, the surface of the flexible membrane at bellied edge through sealed fixed set up in from type epimembranal, protruding with the via hole forms one and holds the chamber. The utility model discloses a setting up of flexible membrane and via hole has formed one between type membrane and the cotton layer of bubble and has held the chamber, holds the outside exhaust air in chamber through the extrusion and can form the space between type membrane and the cotton layer of bubble, utilizes this space can conveniently reveal and tear from the type membrane, has avoided the problem that the edge that is difficult to take off from the type membrane is cotton from the bubble because of the edge of bubble celloidin is neat.

Description

Foam adhesive capable of being quickly stripped from release film
Technical Field
The utility model relates to an electronic product field, in particular to can peel off fast and leave bubble celloidin of type membrane.
Background
The foam adhesive tape is manufactured by coating a solvent type (or hot melt type) pressure-sensitive adhesive on one surface or two surfaces of EVA (ethylene vinyl acetate) or PE (polyethylene) foam which is taken as a base material and then coating a release film, has the functions of sealing and shock absorption, and has excellent sealing property, compression deformation resistance, flame retardance, wetting property and the like. The product is widely applied to electronic and electric products, mechanical parts, various small household appliances, mobile phone accessories, industrial instruments, computers and peripheral equipment, automobile accessories, audio and video equipment, toys, cosmetics and the like. In order to avoid bubble celloidin to lead to breaking away from the bubble cotton from the type membrane and lead to the bubble cotton to receive the pollution because of colliding with the friction in the transportation, half can be to the edge of off-type membrane and the edge of bubble cotton to its setting, and such structure can lead to the edge parallel and level of bubble celloidin, is difficult to take off the edge of off-type membrane from the bubble cotton and has brought the difficulty for tearing off from the type membrane.
Disclosure of Invention
Based on this, it is necessary to provide a can peel off fast bubble cotton gum from type membrane, including bubble cotton layer and adhesion in from the type membrane on the cotton layer both sides side of bubble, edge from the type membrane has seted up and has run through from the via hole of type membrane, keep away from the type membrane still be provided with flexible membrane on the one side of the cotton layer of bubble, flexible membrane covers the via hole sets up, flexible membrane corresponds the via hole is provided with the arch, the surface of the flexible membrane at bellied edge through sealed glue fixed set up in from type membrane is last, protruding with the via hole forms one and holds the chamber.
Wherein, the flexible film can be made of rubber material, the flexible film is connected on the release film in a sealing way through a sealing glue, one side of the release film facing to the foam layer is adhered on the foam layer through the pressure-sensitive glue coated on the surface of the foam layer, so the containing cavity is of a closed cavity structure, when the release film is required to be next from the foam layer, the orientation in the containing cavity can be extruded in the direction close to the foam layer only by pressing the bulge on the flexible film, therefore, air can enter between the release film and the pressure-sensitive glue on the surface of the foam layer, and because the via hole is positioned at the edge of the release film, namely at the edge of the foam glue, the adhesive strength of the release film and the pressure-sensitive glue at the edge is weaker than that of the release film and the pressure-sensitive glue at the central part, the air can extrude the edge of the foam glue, therefore, the air can extrude a gap between the release film and the foam at the edge part of the foam glue, at the moment, the release film can be conveniently and quickly torn off from the foam layer.
During specific operation, the edge position of the foam adhesive at the position of the via hole is supported by the thumb, then the protrusion is pressed rapidly by the index finger, the lifted release film is pressed by the thumb while the air in the accommodating cavity leaves the foam adhesive to prevent the release film from resetting, and then the release film can be continuously lifted to tear off the release film.
Wherein, because the via hole is located the edge from the type membrane, and have certain intensity from type membrane itself, consequently if protruding receive the air back of extrusion discharge the inside in the transportation, lift up can push down at once from the type membrane until compressing tightly on the bubble is cotton with further protection bubble, and because the air is the cotton glue of the outward discharge bubble, consequently in the period lifted from the type membrane dust in the air can't enter into because of lifting up from the type membrane in the space that forms, consequently can effectively avoid touching because of the mistake and lead to the bubble cotton to receive the pollution with the via hole setting in the edge from the type membrane.
Furthermore, the protrusions are hemispherical.
The hemispherical convex surface is smooth and round, so that a user can feel more comfortable when pressing.
Furthermore, the edge of the opening of the protrusion is connected with the edge of one end, away from the foam layer, of the via hole.
The edge of bellied opening part and the edge interconnect of the one end that the cotton layer of bubble was kept away from to the via hole, then do not have stair structure between arch and via hole, enable the air in the arch more smooth entering into in the via hole to guarantee that the air in the via hole can extrude the foam-rubber smoothly and form the space between release film and foam.
Further, the cross section of the via hole is circular.
The cross section is circular through hole can make the air receive less resistance when passing through the through hole to further guarantee that the air in the through hole can extrude the bubble celloidin smoothly and form the space from type membrane and bubble cotton between.
Furthermore, the via hole is towards the one end of bubble cotton layer outwards slope setting.
The via hole sets up in the slope outwards, and its direction is also the slope outwards when then the air in the via hole is extruded the via hole to guarantee that the air has the trend of outside flow, consequently can impel the air to be extruded from the edge of bubble cotton gum, thereby further guarantee that the air in the via hole can extrude bubble cotton gum smoothly and form the space between release film and bubble cotton.
Furthermore, the center line of the protrusion and the center line of the via hole are located on the same straight line.
Furthermore, the included angle between the via hole and the plane of the release film is 30-50 degrees.
Further, the via hole is arranged at the corner of the release film.
The through hole is arranged at the corner of the release film body, and the release film body is uncovered from the corner of the release film when the release film body is uncovered, so that the release film can be more conveniently uncovered from the foam layer.
The principle and effect of the present invention will be further explained below with reference to the above technical solutions and the accompanying drawings:
the utility model discloses a setting up of flexible membrane and via hole has formed one between type membrane and the cotton layer of bubble and has held the chamber, holds the outside exhaust air in chamber through the extrusion and can form the space between type membrane and the cotton layer of bubble, utilizes this space can conveniently reveal and tear from the type membrane, has avoided the problem that the edge that is difficult to take off from the type membrane is cotton from the bubble because of the edge of bubble celloidin is neat.
Drawings
FIG. 1 is a schematic view of a cross-sectional structure of foam rubber capable of being rapidly peeled off from a release film according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic view of a top view structure of the release film according to an embodiment of the present invention.
Description of reference numerals:
1-foam cotton layer, 2-release film, 21-via hole, 22-flexible film, 221-bulge.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples:
as shown in fig. 1-3, a can peel off fast bubble cotton glue from type membrane 2, including bubble cotton layer 1 with adhere in from type membrane 2 on the cotton layer 1 both sides side of bubble, the edge from type membrane 2 has been seted up and has been run through from the via hole 21 of type membrane 2, keep away from type membrane 2 still be provided with flexible membrane 22 on one side of bubble cotton layer 1, flexible membrane 22 covers via hole 21 sets up, flexible membrane 22 corresponds via hole 21 is provided with protruding 221, the surface of the flexible membrane 22 at the edge of protruding 221 through sealed glue fixed set up in from type membrane 2 is last, protruding 221 with via hole 21 forms one and holds the chamber.
Wherein, the flexible film 22 can be made of rubber material, the flexible film 22 is connected to the release film 2 through sealing glue in a sealing way, one side of the release film 2 facing the foam layer 1 is adhered to the foam layer 1 through the pressure-sensitive glue coated on the surface of the foam layer 1, so the accommodating cavity is of a closed cavity structure, when the release film 2 is required to be next to the foam layer 1 from the foam layer 1, the direction facing the foam layer 1 in the accommodating cavity can be extruded only by pressing the bulge 221 on the flexible film 22, so the air can enter between the release film 2 and the pressure-sensitive glue on the surface of the foam layer 1, and because the via hole 21 is positioned at the edge of the release film 2, namely at the edge of the foam glue, the adhesive strength of the release film 2 and the pressure-sensitive glue at the edge is weaker than that of the release film 2 and the pressure-sensitive glue at the central part, the edge of the foam glue can be extruded, therefore, the air can squeeze an opening between the release film 2 positioned at the edge part of the foam adhesive and the foam, and the release film 2 can be conveniently and quickly torn off from the foam layer 1.
During specific operation, the thumb is used for propping against the edge position of the foam adhesive at the position of the via hole 21, then the index finger is used for quickly pressing the protrusion 221, the thumb is used for pressing the lifted release film 2 to prevent the release film 2 from resetting while the air in the accommodating cavity leaves the foam adhesive, and then the release film 2 can be continuously lifted to tear off the release film 2.
Wherein, because via hole 21 is located the edge from type membrane 2, and have certain intensity from type membrane 2 itself, consequently if protruding 221 receives the air of extrusion discharge the inside in the transportation after, the lift up can push down at once from type membrane 2 until compressing tightly on the bubble is cotton with further protection bubble, and because the air is outwards discharge bubble cotton gum, consequently in the period that lifts up from type membrane 2 dust in the air can't enter into because of lifting up from type membrane 2 in the space that forms, consequently set up via hole 21 and can effectively avoid leading to the bubble cotton to receive the pollution because of the mistake touches at the edge from type membrane 2.
Further, the protrusion 221 has a hemispherical shape.
The hemispherical protrusions 221 have smooth and round surfaces, which makes the user more comfortable when pressing.
Further, the edge of the opening of the protrusion 221 and the edge of one end of the via hole 21, which is far away from the foam layer 1, are connected to each other.
The edge of the opening of the protrusion 221 and the edge of one end of the via hole 21, which is far away from the foam layer 1, are connected with each other, so that a stepped structure does not exist between the protrusion 221 and the via hole 21, and air in the protrusion 221 can enter the via hole 21 more smoothly, thereby ensuring that the air in the via hole 21 can smoothly extrude foam glue to form a gap between the release film 2 and the foam.
Further, the cross section of the via hole 21 is circular.
The cross section is circular via hole 21 can make the resistance that air received when passing through via hole 21 littleer to further guarantee that the air in via hole 21 can extrude the foam-cotton glue smoothly and form the space between release film 2 and the foam.
Further, the via hole 21 is inclined outwards towards one end of the foam layer 1.
The via hole 21 is inclined outwards, and the direction of the air in the via hole 21 is inclined outwards when the air is extruded out of the via hole 21, so that the air is ensured to have a tendency of flowing outwards, the air can be promoted to be extruded out of the edge of the foam adhesive, and the air in the via hole 21 can be further ensured to be smoothly extruded out of the foam adhesive to form a gap between the release film 2 and the foam.
Further, the center line of the protrusion 221 and the center line of the via hole 21 are located on the same straight line.
Further, the included angle between the via hole 21 and the plane of the release film 2 is 30-50 °.
Further, the via hole 21 is disposed at a corner of the release film 2.
The via hole 21 is arranged at the corner of the release film 2 body, and the release film 2 body is also uncovered from the corner of the release film 2 when being uncovered, so that the release film 2 can be more conveniently uncovered from the foam layer 1.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. The utility model provides a can peel off fast and leave bubble cotton of type membrane glues, including the bubble cotton layer with adhere in from the type membrane on the cotton layer both sides side of bubble, its characterized in that, the edge from the type membrane has been seted up and has been run through from the via hole of type membrane, keep away from the type membrane still be provided with flexible membrane on the one side on the cotton layer of bubble, flexible membrane covers the via hole sets up, flexible membrane corresponds the via hole is provided with the arch, the surface of the flexible membrane at bellied edge through sealed fixed set up in from type on the membrane, protruding with the via hole forms one and holds the chamber.
2. The foam adhesive of the quick release film as claimed in claim 1, wherein the protrusions have a hemispherical shape.
3. The foam adhesive of the quick release film as claimed in claim 2, wherein the edge of the opening of the protrusion is connected to the edge of the end of the via hole away from the foam layer.
4. The foam adhesive of the quick release film according to claim 2, wherein the cross section of the via hole is circular.
5. The foam adhesive of the quick release film as claimed in claim 2, wherein the via hole is disposed to be inclined outward toward one end of the foam layer.
6. The foam adhesive of the quick release film according to claim 5, wherein the center line of the protrusion is aligned with the center line of the via hole.
7. The foam adhesive of the quick release film according to claim 5, wherein the angle between the via hole and the plane of the release film is 30-50 °.
8. The foam adhesive of the release film capable of being peeled off rapidly as claimed in claim 5, wherein the via hole is disposed at a corner of the release film.
CN201922233694.4U 2019-12-13 2019-12-13 Foam adhesive capable of being quickly stripped from release film Expired - Fee Related CN210945477U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922233694.4U CN210945477U (en) 2019-12-13 2019-12-13 Foam adhesive capable of being quickly stripped from release film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922233694.4U CN210945477U (en) 2019-12-13 2019-12-13 Foam adhesive capable of being quickly stripped from release film

Publications (1)

Publication Number Publication Date
CN210945477U true CN210945477U (en) 2020-07-07

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ID=71389122

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922233694.4U Expired - Fee Related CN210945477U (en) 2019-12-13 2019-12-13 Foam adhesive capable of being quickly stripped from release film

Country Status (1)

Country Link
CN (1) CN210945477U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111849372A (en) * 2020-07-22 2020-10-30 太仓展新胶粘材料股份有限公司 Folding-resistant foam rubber sheet and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111849372A (en) * 2020-07-22 2020-10-30 太仓展新胶粘材料股份有限公司 Folding-resistant foam rubber sheet and manufacturing method thereof
CN111849372B (en) * 2020-07-22 2022-04-08 太仓展新胶粘材料股份有限公司 Folding-resistant foam rubber sheet and manufacturing method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200707

Termination date: 20211213

CF01 Termination of patent right due to non-payment of annual fee