CN111924622A - Adhesive tape joint of protective film - Google Patents

Adhesive tape joint of protective film Download PDF

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Publication number
CN111924622A
CN111924622A CN202010857506.XA CN202010857506A CN111924622A CN 111924622 A CN111924622 A CN 111924622A CN 202010857506 A CN202010857506 A CN 202010857506A CN 111924622 A CN111924622 A CN 111924622A
Authority
CN
China
Prior art keywords
layer
protective film
adhesive layer
base layer
film
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.)
Pending
Application number
CN202010857506.XA
Other languages
Chinese (zh)
Inventor
陈浩
陶琦
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.)
Wuxi Xinhao Protective Film Co ltd
Original Assignee
Wuxi Xinhao Protective Film 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 Wuxi Xinhao Protective Film Co ltd filed Critical Wuxi Xinhao Protective Film Co ltd
Priority to CN202010857506.XA priority Critical patent/CN111924622A/en
Publication of CN111924622A publication Critical patent/CN111924622A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/002—Hand-held or table apparatus
    • B65H35/0026—Hand-held or table apparatus for delivering pressure-sensitive adhesive tape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/0073—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • B65H37/002—Web delivery apparatus, the web serving as support for articles, material or another web
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/10—Adhesives in the form of films or foils without carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/37—Tapes
    • B65H2701/377—Adhesive tape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/20—Presence of organic materials
    • C09J2400/28—Presence of paper
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2427/00—Presence of halogenated polymer
    • C09J2427/005—Presence of halogenated polymer in the release coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2467/00—Presence of polyester

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesive Tapes (AREA)

Abstract

The application relates to an adhesive tape joint of a protective film, which comprises a base layer, wherein one end of the base layer in the length direction is provided with a first connecting assembly, the first connecting assembly comprises a release film connected with the first connecting assembly, a first adhesive layer connected to the surface of the release film, which is deviated from the base layer, and a first sealing adhesive layer connected to the surface of the first adhesive layer, which is deviated from the release film; the one end that first coupling assembling was kept away from to the basic unit is equipped with second coupling assembling, and second coupling assembling is including connecting glue film two in the basic unit, connecting the second adhesive tape layer that deviates from the surface of basic unit at glue film two. This application has the effect that the person of facilitating the use carries out the rubberizing to the disconnection department of the protection film on product surface.

Description

Adhesive tape joint of protective film
Technical Field
The application relates to the field of adhesive tape joints, in particular to an adhesive tape joint of a protective film.
Background
The protective film is a film made of PE or PVC material, and is mainly used for surface protection of various products with high requirements on surface conditions. When the protective film is used, the protective film is wrapped on the surface of a product, so that the possibility of surface scratch, pollution and abrasion of the product in the processes of carrying, processing and storage can be reduced, and the effect of protecting the product is achieved.
The protective film is usually wound on a paper tube for storage, and is usually arranged in a dot-broken manner, that is, a plurality of dot-broken type dot-crease lines are uniformly arranged on the surface of the protective film at intervals. When the packaging machine is used, a user unfolds and wraps the protective film on the surface of a product from the paper tube, when the surface of the product is completely covered by the protective film, a point-break-type point-crease line with a proper position is found to serve as a break line, the break line is close to the protective film on one side of the product and wraps the surface of the product, the protective film on the other side of the product is wound on the paper tube, the user tears the protective film along the break line, the protective film wrapped on the surface of the product can be separated from the protective film wound on the paper tube, then the broken part of the protective film on the surface of the product is bonded to the protective film on the surface of the product.
After the protective film is torn along the point-break-type point-crease line, a user needs to paint glue or paste an adhesive tape on the broken part of the protective film on the surface of the product to finish packaging the product, so that the use is inconvenient.
Disclosure of Invention
In order to make things convenient for the user to carry out the rubberizing to the disconnection department of the protection film on product surface, this application provides the sticky tape joint of protection film.
The application provides a sticky tape of protection film connects adopts following technical scheme:
the adhesive tape joint of the protective film comprises a base layer, wherein a first connecting assembly is arranged at one end of the base layer in the length direction and comprises a release film, a first adhesive layer and a first sealing adhesive layer, the release film is connected with the first connecting assembly, the first adhesive layer is connected to the surface, deviating from the base layer, of the release film, and the first sealing adhesive layer is connected to the surface, deviating from the release film, of the first adhesive layer; the one end that first coupling assembling was kept away from to the basic unit is equipped with second coupling assembling, second coupling assembling is used for being connected basic unit and the protection film of winding on the fiber container.
By adopting the technical scheme, when a user uses the protective film, the protective film is unfolded from the paper tube, the product is wrapped by the unfolded protective film, after the wrapping is finished, a suitable point-breaking-type point-marking line is selected as a breaking line, the protective film on one side, close to the product, of the breaking line is wrapped on the surface of the product, the protective film on the other side is wound on the paper tube, the user tears the first adhesive sealing layer from the first adhesive layer and enables the first adhesive layer to be attached to the protective film on the surface of the product, then one end, far away from the first adhesive layer, of the base layer is connected with the protective film wound on the paper tube by using the second connecting component, finally the position of the protective film on the paper tube is kept unchanged, the protective film on the surface of the product is pulled in the direction far away from the paper tube, the protective film on the surface of the product can be broken along the breaking line, the first, meanwhile, the adhesive layer is adhered to the broken part of the protective film on the surface of the product for a while, so that the adhesive on the broken part of the protective film on the surface of the product is finished, and the adhesive is convenient to use.
Preferably, the second connecting assembly comprises a second glue layer connected to the base layer and a second sealing glue layer connected to the surface, away from the base layer, of the second glue layer.
Through adopting above-mentioned technical scheme, the user tears glue film two from glue film two, then with glue film two with the protection film laminating on the fiber container, can realize being connected of the protection film on basic unit and the fiber container, convenient to use.
Preferably, the first sealing glue layer and the second sealing glue layer are release paper layers.
Through adopting above-mentioned technical scheme, can the person of facilitating the use tear from glue film one and glue film two with glue film one.
Preferably, the edges of the first adhesive layer and the second adhesive layer are integrally formed with tearing strips.
Through adopting above-mentioned technical scheme, the user's accessible is pulled and is torn the strip and will be sealed the glue film one and sealed the glue film two and tear from glue film one and glue film two, convenient to use.
Preferably, the tearing strips on the first sealing glue layer and the second sealing glue layer are respectively positioned at the corners of the first sealing glue layer and the second sealing glue layer.
Through adopting above-mentioned technical scheme for the user tears more laborsaving light when sealing glue layer one and sealing glue layer two.
Preferably, the length of the first adhesive layer and the second adhesive layer along the width direction of the base layer is smaller than the width of the base layer, and the first adhesive layer and the second adhesive layer are both located in the middle of the width direction of the base layer.
Through adopting above-mentioned technical scheme, when the user bonded glue film one and glue film two respectively with the protection film on product surface and the protection film on the fiber container, can hold between the fingers the basic unit of glue film one and glue film two both sides and operate convenient to use.
Preferably, the first connecting member and the second connecting member are located on the same surface of the base layer.
Through adopting above-mentioned technical scheme, during the use, be connected the protection film on basic unit and product surface and the protection film of winding on the fiber container through first coupling assembling and second coupling assembling, the basic unit is in the horizontality this moment, then tear the protection film on product surface from the protection film of winding on the fiber container can.
Preferably, the first and second connector elements are located on different sides of the substrate.
Through adopting above-mentioned technical scheme, during the use, be connected the protection film on basic unit and product surface and the protection film of winding on the fiber container through first coupling assembling and second coupling assembling, the basic unit is in the state of buckling this moment, then tear the protection film on product surface from the protection film of winding on the fiber container again can.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the base layer, the first connecting assembly and the second connecting assembly, when the adhesive tape is used, the first connecting assembly is connected with the protective film on the surface of a product, the second connecting assembly is connected with the protective film wound on the paper tube, then the protective film on the surface of the product is torn off from the protective film wound on the paper tube, and the first adhesive layer can be torn off from the base layer at the broken part of the protective film on the surface of the product in the process, so that the adhesive tape sticking at the broken part of the protective film on the surface of the product is finished, the product is conveniently packaged, and the adhesive tape is convenient to use;
2. this application tears the strip through setting up, and user's accessible pulling tears the strip and will bond a layer one and bond a layer two and tear from bond a layer one and bond a layer two respectively, convenient to use.
Drawings
Fig. 1 is a schematic view of the overall structure of a tape joint for embodying a protective film in one embodiment.
Fig. 2 is a schematic view of a state in which a tape tab for embodying a protective film according to one embodiment is used.
Fig. 3 is a schematic view of a connection manner of a tape tab for embodying one of the protection films according to the first embodiment to the protection film when in use.
Fig. 4 is a schematic view of the overall structure of a tape joint for embodying a protective film in the second embodiment.
FIG. 5 is a schematic view showing a state in which a tape tab for embodying a protective film according to the second embodiment is used.
Fig. 6 is a schematic view showing a connection manner of the tape tab with the protective film in use, which embodies one of the second embodiment of the protective film.
Description of reference numerals: 1. a base layer; 2. a first connection assembly; 21. a release film; 22. a first adhesive layer; 23. a first adhesive sealing layer; 3. a second connection assembly; 31. a second adhesive layer; 32. a second adhesive sealing layer; 4. tearing the strip; 5. a protective film; 6. a dot-break type dot-crease line; 7. and (7) a paper tube.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The first embodiment is as follows:
the embodiment of the application discloses adhesive tape joint of protection film, refer to fig. 1, including base 1, base 1 is made by the PVC material. The one end of 1 length direction of basic unit is equipped with first coupling assembling 2, and the other end is equipped with second coupling assembling 3, and first coupling assembling 2 and second coupling assembling 3 are located the same surface of basic unit 1.
Referring to fig. 1, the first connection assembly 2 includes a release film 21, a first adhesive layer 22 and a first sealant layer 23. The release film 21 is connected with the base layer 1; the first adhesive layer 22 is made of a PET material, and the first adhesive layer 22 is connected with the surface of the release film 21 departing from the base layer 1; the first sealing glue layer 23 is a release paper layer, and the first sealing glue layer 23 is connected with the surface of the first glue layer 22 departing from the base layer 1. Because the first adhesive layer 23 is the release paper layer, the first adhesive layer 23 is easily torn off from the first adhesive layer 22; due to the release film 21, the first adhesive layer 22 is easily torn off from the base layer 1.
Referring to fig. 1, the second connecting assembly 3 includes a second adhesive layer 31 and a second adhesive layer 32, the second adhesive layer 31 is made of the same material as the first adhesive layer 22, the second adhesive layer 31 is connected to the base layer 1 and is located on the same surface of the base layer 1 as the first adhesive layer 22, the second adhesive layer 32 is a release paper layer, and the second adhesive layer 32 is connected to the surface of the second adhesive layer 31 departing from the base layer 1, so that the second adhesive layer 32 is easily torn off from the second adhesive layer 31.
Referring to fig. 2 and 3, when a user uses the protective film 5, firstly, the protective film 5 is unfolded from the paper tube 7, then the unfolded protective film 5 is wrapped on the surface of a product, after the wrapping is finished, a point-break-type point-crease line 6 is found as a break line, the protective film 5 on one side of the break line close to the product is the protective film 5 wrapped on the surface of the product, and the protective film 5 on the other side is the protective film 5 wrapped on the paper tube 7; the user tears the first adhesive layer 23 and the second adhesive layer 32 from the first adhesive layer 22 and the second adhesive layer 31 respectively, then the first adhesive layer 22 is adhered to the position, close to the break line, of the protective film 5 on the surface of the product, and the second adhesive layer 31 is adhered to the position, close to the break line, of the protective film 5 on the paper tube 7, at the moment, the base layer 1 is in a horizontal state, the user keeps the position of the protective film 5 on the paper tube 7 unchanged, and pulls the protective film 5 on the surface of the product in a direction away from the paper tube 7, the protective film 5 on the surface of the product can be separated from the protective film 5 on the paper tube 7 along the break line, and the second adhesive layer 31 can be torn from the base layer 1 by the protective film 5 on the surface of the product, so that; in summary, when the protective film 5 on the surface of the product is separated from the protective film 5 on the paper tube 7, the gluing of the broken part of the protective film 5 on the surface of the product can be completed at the same time, so that the effect of conveniently gluing the protective film 5 on the surface of the product is achieved.
Referring to fig. 2 and 3, since the first adhesive layer 23 is attached to the first adhesive layer 22 and the second adhesive layer 32 is attached to the second adhesive layer 31, the user is inconvenient to operate when tearing the first adhesive layer 23 and the second adhesive layer 32 off the first adhesive layer 22 and the second adhesive layer 31. In order to solve the problem, the tearing strip 4 is integrally formed on the edge of the first sealant layer 23 and the second sealant layer 32. Because the tearing strip 4 is not connected with the first glue layer 22 or the second glue layer 31, a user can easily hold the tearing strip 4, and then the first sealant layer 23 and the second sealant layer 32 are torn off from the first glue layer 22 and the second glue layer 31 by pulling the tearing strip 4, so that the operation is convenient and fast.
Referring to fig. 1, the tearing strip 4 on the first sealant layer 23 is located at the corner of the first sealant layer 23, the tearing strip 4 on the second sealant layer 32 is located at the corner of the second sealant layer 32, and the arrangement enables a user to easily and labor-saving tear the first sealant layer 23 and the second sealant layer 32.
Referring to fig. 1 and 3, the length of the first adhesive layer 22 and the second adhesive layer 31 along the width direction of the base layer 1 is smaller than the width of the base layer 1, and the first adhesive layer 22 and the second adhesive layer 31 are both located in the middle of the width direction of the base layer 1, when a user attaches the first adhesive layer 22 and the second adhesive layer 31 to the protective film 5 on the surface of a product and the protective film 5 on the paper tube 7 respectively, the part of the base layer 1 on the two sides of the first adhesive layer 22 and the second adhesive layer 31 along the width direction of the base layer 1 can be pinched by fingers, so that the fingers of the user are prevented from contacting the first adhesive layer 22 and the second adhesive layer 31, and the user can conveniently bond the first adhesive layer 22 and the second adhesive layer 31 to the.
The implementation principle of the adhesive tape joint of the protection film in the embodiment of the application is as follows: when the protective film packaging machine is used, a user unfolds the protective film 5 from the paper tube 7, wraps the unfolded protective film 5 on the surface of a product, and then selects a point-break-type point-crease line 6 as a break line, wherein one side of the break line, which is close to the product, is the protective film 5 on the surface of the product, and the other side is the protective film 5 on the paper tube 7; the user tears the first adhesive layer 23 and the second adhesive layer 32 from the first adhesive layer 22 and the second adhesive layer 31, then bonds the first adhesive layer 22 to the position, close to the break line, of the protective film 5 on the surface of the product, bonds the second adhesive layer 31 to the position, close to the break line, of the protective film 5 on the paper tube 7, at the moment, the base layer 1 is in a horizontal state, then keeps the position of the protective film 5 on the paper tube 7 unchanged, pulls the protective film 5 on the surface of the product in a direction away from the paper tube 7, the protective film 5 on the surface of the product can be separated from the protective film 5 on the paper tube 7 along the break line, and the first adhesive layer 22 can be separated from the base layer 1 along the; to sum up, when the protection film 5 on product surface and the protection film 5 on fiber container 7 separate, can accomplish the rubberizing to the disconnection department of the protection film 5 on product surface, consequently this application has the effect that the person of facilitating the use carries out the rubberizing to the disconnection department of the protection film 5 on product surface.
Example two:
referring to fig. 4, the present embodiment is different from the first embodiment in that: the first connecting component 2 and the second connecting component 3 are respectively located on different surfaces of the base layer 1.
Referring to fig. 5 and 6, in use, a user bonds the first glue layer 22 to the position, close to the break line, of the protective film 5 on the surface of the product, bonds the second glue layer 31 to the position, close to the break line, of the protective film 5 on the paper tube 7, at the moment, the base layer 1 is in a bent state, then the user keeps the position of the protective film 5 on the paper tube 7 unchanged, and pulls the protective film 5 on the surface of the product in a direction away from the paper tube 7, the protective film 5 on the surface of the product can be separated from the protective film 5 on the paper tube 7 along the break line, and the first glue layer 22 can be separated from the base layer 1 along with the protective film 5 on the surface of the product, and because the base layer 1 is in the bent state, the first glue layer 22 can be separated from the base layer 1 more easily.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a protection film's sticky tape connects which characterized in that: the adhesive tape comprises a base layer (1), wherein one end of the base layer (1) in the length direction is provided with a first connecting assembly (2), and the first connecting assembly (2) comprises a release film (21) connected with the first connecting assembly, a first adhesive layer (22) connected to the surface, deviating from the base layer (1), of the release film (21), and a first sealing adhesive layer (23) connected to the surface, deviating from the release film (21), of the first adhesive layer (22); one end that first coupling assembling (2) was kept away from in basic unit (1) is equipped with second coupling assembling (3), second coupling assembling (3) are used for being connected basic unit (1) and protection film (5) of winding on fiber container (7).
2. The protective film tape tab of claim 1, wherein: the second connecting assembly (3) comprises a second glue layer (31) connected to the base layer (1) and a second sealing glue layer (32) connected to the surface, deviating from the base layer (1), of the second glue layer (31).
3. The protective film tape tab of claim 2, wherein: the first sealing adhesive layer (23) and the second sealing adhesive layer (32) are release paper layers.
4. The protective film tape tab of claim 3, wherein: and the edges of the first sealant layer (23) and the second sealant layer (32) are integrally formed with tearing strips (4).
5. The protective film tape tab of claim 4, wherein: and the tearing strips (4) on the first sealant layer (23) and the second sealant layer (32) are respectively positioned at the corners of the first sealant layer (23) and the second sealant layer (32).
6. The protective film tape tab of claim 5, wherein: the length of the first glue layer (22) and the second glue layer (31) along the width direction of the base layer (1) is smaller than the width of the base layer (1), and the first glue layer (22) and the second glue layer (31) are both located in the middle of the width direction of the base layer (1).
7. The protective film tape tab of claim 6, wherein: the first connecting component (2) and the second connecting component (3) are positioned on the same surface of the base layer (1).
8. The protective film tape tab of claim 6, wherein: the first connecting component (2) and the second connecting component (3) are positioned on different surfaces of the base layer (1).
CN202010857506.XA 2020-08-24 2020-08-24 Adhesive tape joint of protective film Pending CN111924622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010857506.XA CN111924622A (en) 2020-08-24 2020-08-24 Adhesive tape joint of protective film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010857506.XA CN111924622A (en) 2020-08-24 2020-08-24 Adhesive tape joint of protective film

Publications (1)

Publication Number Publication Date
CN111924622A true CN111924622A (en) 2020-11-13

Family

ID=73305646

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010857506.XA Pending CN111924622A (en) 2020-08-24 2020-08-24 Adhesive tape joint of protective film

Country Status (1)

Country Link
CN (1) CN111924622A (en)

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