CN211595502U

CN211595502U - Foam adhesive tape

Info

Publication number: CN211595502U
Application number: CN202020189454.9U
Authority: CN
Inventors: 麦惠权
Original assignee: Guangdong Crown Adhesive Products Co Ltd
Current assignee: Guangdong Huangguan New Material Technology Co ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-09-29
Anticipated expiration: 2030-02-20

Abstract

The utility model discloses a bubble cotton adhesive tape, including drum, viscose layer and from the ply, the viscose layer includes the sponge layer, the both sides surface adhesion on sponge layer is fixed with the PVC soft board, the PVC soft board closes on its side position department and sews up the sewing thread of being connected with the sponge layer, can improve the joint strength between sponge layer and the PVC soft board through sewing up the sewing thread between PVC soft board and sponge layer. The utility model discloses in, be fixed with the PVC soft board through the sponge layer both sides surface adhesion at the viscose layer, and close on its side position department at the PVC soft board and sew up the sewing thread of being connected with the sponge layer, it has the viscose all to coat at the surface of two PVC soft boards simultaneously, compare in the structure of traditional only at the outside coating glue of sponge layer, this structure makes bubble cotton sticky tape both sides adhesion face have certain toughness, can improve the intensity of bubble cotton sticky tape and object adhesion, and it can improve its ability of tearing resistance to sew up the sewing thread between PVC soft board and the sponge layer.

Description

Foam adhesive tape

Technical Field

The utility model relates to an sticky tape technical field, concretely relates to bubble cotton sticky tape.

Background

The foam adhesive tape is manufactured by coating a solvent type (or hot melt type) pressure-sensitive adhesive on one side or two sides of EVA (ethylene vinyl acetate) or P E foam which is taken as a base material and then compounding release paper. Has sealing and shock absorbing effects. Has excellent sealing property, compression deformation resistance, flame retardancy, 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.

The existing foam adhesive tape is used, when an external force for outward separation exists between objects adhered to two sides of the foam adhesive tape, the sponge inside the foam adhesive tape is easy to tear, and the using effect of the foam adhesive tape is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that when an external force for separating outwards exists between objects adhered to the two sides of the foam adhesive tape, the sponge inside the foam adhesive tape is easy to tear, and the using effect of the foam adhesive tape is affected, the foam adhesive tape is provided.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a cotton sticky tape of bubble, includes drum, viscose layer and from the ply, the viscose layer includes the sponge layer, the both sides surface adhesion on sponge layer is fixed with the PVC soft board, the PVC soft board closes on its side position department and sews up the sewing thread of being connected with the sponge layer, can improve the joint strength between sponge layer and the PVC soft board through sewing up the sewing thread between PVC soft board and sponge layer to avoid the sponge layer to receive external force to tear influence the cotton sticky tape result of use of bubble, two the surface of PVC soft board all coats has the viscose, and wherein, a viscose outer adhesion has from the ply, the viscose layer with from the surface of ply winding at the drum.

As a further aspect of the present invention: the width of the paper separating layer is 0.1-0.2mm larger than that of the adhesive layer, and the width of the paper separating layer is larger than that of the adhesive layer and can protect the adhesive layer on the side edge of the adhesive layer.

As a further aspect of the present invention: die-cut the having the cut mark of surface equidistance of viscose layer, the both ends of cut mark and the distance between the viscose layer side are 1.5-2mm, make things convenient for the later stage operating personnel directly to tear the viscose layer through the die-cut mark in the surface of viscose layer and use.

As a further aspect of the present invention: the thickness of the PVC soft board is 0.1-0.3mm, and the PVC soft board with the thickness has good flexibility and is convenient to bend on an adhered object.

As a further aspect of the present invention: the viscose is made of solvent-type polyacrylic acid pressure-sensitive adhesive.

As a further aspect of the present invention: the sponge layer is EVA sponge or P E sponge.

As a further aspect of the present invention: the cylinder is a paper cylinder, and the paper cylinder can reduce the production cost of the foam adhesive tape.

The utility model has the advantages that:

1. the PVC soft boards are adhered and fixed on the surfaces of the two sides of the sponge layer of the adhesive layer, the sewing threads connected with the sponge layer are sewn at the positions, close to the side edges, of the PVC soft boards, and the adhesive is coated on the outer surfaces of the two PVC soft boards simultaneously;

2. the cutting marks are punched on the surface of the adhesive layer at equal intervals, and the distance between the two ends of the cutting marks and the side edge of the adhesive layer is 1.5-2mm, so that an operator can cut the foam adhesive tape without scissors in actual use, and the service efficiency of the foam adhesive tape of the operator is improved.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the foam adhesive tape of the present invention;

FIG. 2 is a horizontal cross-sectional view of the adhesive layer of the present invention;

fig. 3 is a plan view of the PVC soft board of the present invention.

In the figure: 100. a cylinder; 200. an adhesive layer; 210. gluing; 220. PVC soft boards; 230. a sponge layer; 240. sewing thread; 300. a release paper layer; 400. and (6) cutting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a foam adhesive tape includes a cylinder 100, an adhesive layer 200 and a release paper layer 300, wherein the adhesive layer 200 includes a sponge layer 230, PVC soft boards 220 are adhered and fixed on both side surfaces of the sponge layer 230, sewing threads 240 connected with the sponge layer 230 are sewn on the PVC soft boards 220 near the side edges of the PVC soft boards 220, the connection strength between the sponge layer 230 and the PVC soft boards 220 can be improved by sewing the sewing threads 240 between the PVC soft boards 220 and the sponge layer 230, so as to prevent the sponge layer 230 from being torn by external force to affect the use effect of the foam adhesive tape, the outer surfaces of the two PVC soft boards 220 are coated with adhesives 210, one of the adhesives 210 is adhered with the release paper layer 300, and the adhesive layer 200 and the release paper layer 300 are wound on the outer surface of the cylinder 100.

The width of the release paper layer 300 is 0.1-0.2mm greater than that of the adhesive layer 200, and the width of the release paper layer 300 is greater than that of the adhesive layer 200, so that the adhesive layer on the side of the adhesive layer 200 can be protected.

The die-cut incision 400 of surface equidistance of viscose layer 200, the distance between the both ends of incision 400 and viscose layer 200 side is 1.5-2mm, makes things convenient for later stage operating personnel directly to tear the viscose layer 200 and uses through the die-cut incision 400 in the surface of viscose layer 200.

The thickness of the PVC soft board 220 is 0.1-0.3mm, the PVC soft board 220 with the thickness has good flexibility, and is convenient to bend on an adhered object, the material of the viscose 210 is solvent type polyacrylic acid pressure-sensitive adhesive, the sponge layer 230 is EVA sponge or P E sponge, the cylinder 100 is a paper tube, and the paper tube can reduce the production cost of the foam adhesive tape.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a foam adhesive tape, includes drum (100), viscose layer (200) and from paper layer (300), its characterized in that, viscose layer (200) include sponge layer (230), the both sides surface adhesion of sponge layer (230) is fixed with PVC soft board (220), sewing thread (240) of being connected with sponge layer (230) are sewed up near its side position department in PVC soft board (220), two the surface of PVC soft board (220) all coats has viscose (210), and wherein, a viscose (210) outer adhesion has from paper layer (300), viscose layer (200) and from paper layer (300) winding are at the surface of drum (100).

2. The foam tape as claimed in claim 1, wherein the width of the release paper layer (300) is 0.1-0.2mm greater than the width of the adhesive layer (200).

3. The foam adhesive tape according to claim 1, wherein the surface of the adhesive layer (200) is punched with cuts (400) at equal intervals, and the distance between the two ends of each cut (400) and the side edge of the adhesive layer (200) is 1.5-2 mm.

4. The foam tape as claimed in claim 1, wherein the thickness of the PVC soft board (220) is 0.1-0.3 mm.

5. The foam tape as claimed in claim 1, wherein the material of the adhesive (210) is solvent-based acrylic pressure-sensitive adhesive.

6. Foam tape according to claim 1, characterized in that the sponge layer (230) is EVA sponge or P E sponge.

7. Foam tape according to claim 1, characterized in that the cylinder (100) is a paper cylinder.