CN114932685A - Die cutting process of film - Google Patents
Die cutting process of film Download PDFInfo
- Publication number
- CN114932685A CN114932685A CN202210294584.2A CN202210294584A CN114932685A CN 114932685 A CN114932685 A CN 114932685A CN 202210294584 A CN202210294584 A CN 202210294584A CN 114932685 A CN114932685 A CN 114932685A
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- Prior art keywords
- sheet
- film
- finished product
- substrate
- die cutting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
- B29C66/0326—Cutting, e.g. by using waterjets, or perforating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/008—Wide strips, e.g. films, webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an sticky product technical field discloses a cross cutting technology of diaphragm, this application is through a plurality of laminating stations and cross cutting station to a plurality of sheet substrate, make sheet substrate disposable production output diaphragm, through the mode of limit laminating limit cross cutting in process of production, can be cut into required shape with sheet substrate through the cross cutting earlier, laminate again, cross cutting again for unified laminating has been accomplished like this, can reduce the production of waste material, effectively utilize raw and other materials, the productivity is improved.
Description
Technical Field
The application relates to the technical field of adhesive products, in particular to a die cutting process of a membrane.
Background
With the rapid development of the electronic industry, the die cutting process gradually extends from the traditional die cutting of printed matters to the production of auxiliary materials of electronic products, such as adhesive products and film products for bonding, dust prevention, shock prevention, insulation and shielding of electronic products, which are prepared through the die cutting process.
The release film is a film product applied to electronic products, and refers to a film with a distinguishable surface, and the release film has no viscosity or slight viscosity after being contacted with a specific material under a limited condition, and usually, in order to increase the release force of the plastic film, the plastic film is subjected to plasma treatment, or fluorine coating treatment, or silicon (silicone) release agent coating on the surface layer of the film material, such as PET, PE, OPP and the like; so that the rubber can show extremely light and stable release force for various organic pressure-sensitive adhesives (such as hot-melt adhesive, acrylic adhesive and rubber-based pressure-sensitive adhesive). According to different required release film release forces and different viscosities of isolation product glue, the release force is correspondingly adjusted, so that the extremely light and stable release force is achieved during stripping.
The traditional processing technology for die cutting of adhesive products generally comprises the following steps of compounding a release film and a protective film; die cutting a release film, and discharging waste (release film); die cutting the protective film, and discharging waste (protective film) to obtain the finished adhesive product.
However, this process generates a lot of waste materials and cannot utilize raw materials efficiently, which results in a high cost of manufacturing the adhesive product.
Disclosure of Invention
The main objective of this application is to provide a cross cutting technology of diaphragm, aims at solving the higher technical problem of gluing goods cost of manufacture among the prior art.
The application provides a die cutting process of a membrane, which comprises the following steps:
s1: preparing a sheet-shaped substrate and attaching the sheet-shaped substrate to obtain a supporting film, wherein the sheet-shaped substrate comprises a first sheet-shaped substrate and a second sheet-shaped substrate;
s2: preparing a third sheet-shaped substrate, and attaching the supporting film to the third sheet-shaped substrate to obtain a finished substrate film;
s3: die cutting the finished product substrate film to obtain a first semi-finished product with a shape of a belt;
s4: laminating and die-cutting the first semi-finished product in the belt shape and the third sheet-shaped base material to obtain a second semi-finished product in the belt shape;
s5: preparing a fourth sheet-shaped base material and a first box sealing adhesive tape, and attaching the second semi-finished product with the belt shape, the fourth sheet-shaped base material and the first box sealing adhesive tape to obtain a third semi-finished product;
s6: preparing a first release film, and laminating and die-cutting the first release film and the third semi-finished product to obtain a first finished product with a shape of a belt;
s7: preparing a second carton sealing adhesive tape, and attaching the first finished product in the belt shape and the second carton sealing adhesive tape to obtain a second finished product in the belt shape;
s8: preparing a second release film, attaching the second finished product in the belt shape to the second release film, scraping the rest third flaky base material through a stripping work station, and rolling the rest fourth flaky base material through a first rolling work station to obtain a membrane finished product.
Preferably, the first flaky substrate and the third flaky substrate are both single-layer materials and have self-adhesive properties, the second flaky substrate is a three-layer material, the upper layer is release glue, the middle layer is first double-sided glue, and the lower layer is release glue.
Preferably, the die cutting process of the film sheet further comprises the following steps:
rolling the first frame waste of the first belt-shaped semi-finished product through a second rolling station;
and rolling the frame waste of the first finished product with the shape through a third rolling work station.
Preferably, the first box sealing adhesive tape is placed on the first movable air expansion shaft, and when the first box sealing adhesive tape is attached to the fourth sheet-shaped base material and the second semi-finished product with the shape, the first movable air expansion shaft winds off the self-release film on the upper layer of the double-sided adhesive in the first box sealing adhesive tape through the fourth winding station.
Preferably, the second box sealing adhesive tape is placed on the second movable air-expansion shaft, and when the second box sealing adhesive tape is attached to the fourth semi-finished product, the second movable air-expansion shaft rolls off the first release film on the upper layer of the double-sided adhesive in the second box sealing adhesive tape through a fifth rolling station.
As preferred, first from the type membrane the second is the individual layer material from the type membrane, just first from the type membrane the second is from the one side of type membrane from the area from the type force, first from the type membrane when the cross cutting, from the one side of taking from the type force and the sword contact of cross cutting for prevent first from the type membrane at cross cutting in-process glutinous sword, the second from the type membrane with as product material area after the laminating of fourth semi-manufactured goods, be used for the bearing product.
Preferably, the first layer of the finished film product is the first release film, the second layer is the second double-sided adhesive, the third layer is the second release film, and the fourth layer is the protective film.
Preferably, any one of the steps S1-S7 is formed by pressing/attaching a steel roller and a rubber roller.
Preferably, the first belt-shaped semifinished product and the second belt-shaped semifinished product are each cut by a gravure roll.
Preferably, the first sheet-like substrate is a protective film, the second sheet-like substrate is a third double-sided adhesive tape, and the third sheet-like substrate is a carrier film.
The beneficial effect of this application does: this application is through working a plurality of laminating work stations and cross cutting work station to a plurality of sheet substrate for sheet substrate disposable production output diaphragm through the mode of limit laminating limit cross cutting in process of production, can be earlier cut into required shape with sheet substrate through the cross cutting, laminates again, and cross cutting again, for unified laminating cross cutting again like this, can reduce the production of waste material, effectively utilizes raw and other materials, improves the productivity.
Drawings
Fig. 1 is a schematic view of a die cutting process of a film sheet according to an embodiment of the present application.
The implementation, functional features and advantages of the object of the present application will be further explained with reference to the embodiments, and with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1, the present application proposes a die cutting process of a film sheet, comprising:
s1: preparing a sheet-shaped substrate and attaching the sheet-shaped substrate to obtain a supporting film, wherein the sheet-shaped substrate comprises a first sheet-shaped substrate and a second sheet-shaped substrate;
s2: preparing a third sheet-shaped substrate, and attaching the supporting film to the third sheet-shaped substrate to obtain a finished substrate film;
s3: die cutting the finished product substrate film to obtain a first semi-finished product with a shape of a belt;
s4: laminating and die-cutting (D2) the first semi-finished product in the belt shape and the third sheet-like base material to obtain a second semi-finished product in the belt shape;
s5: preparing a fourth flaky substrate and a first movable inflatable shaft, and attaching the second semi-finished product with the shape, the fourth flaky substrate and the first movable inflatable shaft to obtain a third semi-finished product;
s6: preparing a first release film, and attaching and die-cutting (D3) the first release film and the third semi-finished product to obtain a first finished product with a belt shape;
s7: preparing a second movable inflatable shaft, and attaching the first finished product with the shape and the second movable inflatable shaft to obtain a second finished product with the shape;
s8: preparing a second release film, attaching the second finished product in the belt shape to the second release film, scraping the rest third flaky base material through a stripping work station, and rolling the rest fourth flaky base material through a first rolling work station to obtain a membrane finished product.
As described in the above steps S1-S8, a first sheet-like base material is prepared: a protective film, and a second sheet substrate: the double faced adhesive tape to through first laminating worker station with protection film and double faced adhesive tape laminating, as the finished product substrate, prepare the third flaky substrate: the backing film is held in the palm, will hold in the palm backing film and laminate through second laminating worker station with first slice substrate, second slice substrate, obtains finished product substrate membrane, to finished product substrate membrane through first cross cutting worker station cross cutting, obtain the first half finished product of area shape, prepares third slice substrate again: supporting the film, namely, laminating the first semi-finished product with the shape and a third sheet base material: laminating the base film through a third laminating station, and performing die cutting through a second die cutting station to obtain a second semi-finished product with the shape; preparing a fourth sheet substrate: a carrier film, a first carton sealing adhesive tape and a second semi-finished product are laminated through a fourth laminating station, wherein the first carton sealing adhesive tape is placed on a first movable inflatable shaft and used for rolling off the release film on the surface of the second semi-finished product to obtain a third semi-finished product, the first release film is prepared, the first release film and the third semi-finished product are laminated through a fifth station and subjected to die cutting through the third die cutting station to obtain a first finished product with a shape, the shape of the first finished product can be subjected to die cutting based on actual requirements, at the moment, the second carton sealing adhesive tape is prepared, the first finished product and the second carton sealing adhesive tape are laminated through the fifth laminating station to obtain a second finished product with a shape, the second carton sealing adhesive tape is placed on the second inflatable shaft and used for rolling off the release film on the surface of the second finished product, the second release film is prepared, and the second finished product and the second release film are laminated through a sixth laminating station, and (3) stripping a third sheet-like substrate on the second attached product by a stripping knife of the stripping station: the film scrapes off at the end of holding in the palm to through the rolling of first rolling worker station the remaining fourth sheet substrate except that the shape: and protecting the film to obtain a finished film. This application is through a plurality of laminating worker stations and cross cutting worker station for the disposable production of diaphragm is accomplished, through the mode of limit laminating limit cross cutting in process of production, can be earlier cut into required shape with the diaphragm through the cross cutting, laminates again, and cross cutting again for unified laminating is accomplished the cross cutting again like this, can reduce the production of waste material, effectively utilizes raw and other materials, improves the productivity. It should be noted that the backing film in this embodiment is used for backing the knife and does not participate in the die cutting when passing through the die cutting station.
In one embodiment, the first sheet-like substrate and the third sheet-like substrate are both single-layer materials and have self-adhesive properties, the second sheet-like substrate is a three-layer material, the upper layer is release glue, the middle layer is first double-sided glue, and the lower layer is release glue.
In one embodiment, the die cutting process of the film sheet further comprises:
s9: rolling the first frame waste of the first belt-shaped semi-finished product through a second rolling station;
s10: and rolling the frame waste of the first strip-shaped finished product through a third rolling work station. As described in the foregoing steps S9-S10, the second rolling station can roll and recycle the first frame waste remaining after the die cutting of the first semi-finished product in time, the third rolling station rolls the frame waste of the first finished product in the tape shape, and rolls the waste liquid from the third die cutting station, so that the film sheet can be prevented from being stuck on the film sheet during the synthesis process, and the production line can be kept clean and tidy at any time. The winding station is mainly a winding machine, and the winding machine comprises a friction roller, gas lift shafts arranged in parallel and a pressure mechanism for the pressure mechanism. The gas lift shaft is close to or far from the friction roller. The small-diameter winding roller can change the diameter of the existing winding roller, and the rapid change of the winding roller is realized. The temporary storage mechanism and the carrier roller are arranged, the feeding mechanism of the automatic steel strip coiler can be arranged in the temporary storage mechanism of the preparation roller, and the feeding mechanism of the carrier roller can be adopted even if the speed of the roll changing coiler is high.
In one embodiment, a first box sealing adhesive tape is placed on the first moving air expansion shaft, and when the first box sealing adhesive tape is attached to the fourth sheet-like substrate and the second semi-finished product with the belt shape, the self-carrying release film on the upper layer of the double-sided adhesive in the first box sealing adhesive tape is rolled off through a fourth rolling station. Wherein, the movable air expansion shaft is a special rolling shaft, an expansion shaft, an air expansion roller, an air inflation shaft, a pressure shaft and the like; the movable air expansion shaft has the following characteristics: 1. the inflation operation time is short: the separation and the placement of the inflatable shaft and the paper tube can complete the inflation and the deflation within 3 seconds, and the inflatable shaft can be tightly meshed with the paper tube without disassembling any part on the end side of the shaft. 2. The paper tube is placed simply: the paper tube can be moved and fixed at any position on the axial surface by the action of inflation and deflation. 3. The bearing weight is large: the size of the shaft diameter can be determined according to the actual requirements of users, and high-hardness steel is used, so that the bearing weight of the high-hardness steel is increased. 4. The economic efficiency is high: the shaft is designed to have special functions and can be completely applied to various paper tubes with thickness, thinness, width and narrowness. 5. Simple maintenance and long service time: although the air shaft is a mechanical accessory, each part in the self structure has a fixed specification and can be used interchangeably, so that the air shaft is convenient to maintain. The sealing adhesive tape is also called as a BOPP adhesive tape, a packaging adhesive tape and the like, a BOPP biaxially oriented polypropylene film is used as a base material, pressure-sensitive adhesive emulsion is uniformly coated by heating to form adhesive layers with the range of 8-28 microns, the sealing adhesive tape is an indispensable article in light industrial enterprises, companies and personal life, the state has no perfect standard for the adhesive tape industry, only one industry standard of BOPP pressure-sensitive adhesive tape for QB/T2422 + 1998 sealing carton is used for carrying out high-pressure corona treatment on a BOPP original film, one surface of the BOPP original film is rough, the adhesive is coated on the adhesive to form a mother roll, and the mother roll is cut into small rolls with different specifications through a slitting machine, so that the adhesive tape is daily used. The main component of the pressure-sensitive adhesive emulsion is butyl ester.
In one embodiment, a second box sealing adhesive tape is placed on the second movable air expansion shaft, and when the second box sealing adhesive tape is attached to the fourth semi-finished product, the first release film on the upper layer of the double-sided adhesive in the second box sealing adhesive tape is rolled up through a fifth rolling station.
In one embodiment, the first release film and the second release film are single-layer materials, one surface of the first release film and one surface of the second release film are provided with release force, and when the first release film is subjected to die cutting, the one surface provided with the release force is in contact with a knife of the die cutting, so that the first release film is prevented from being stuck with the knife in the die cutting process.
In one embodiment, the first layer of the finished film is the first release film, the second layer is the second double-sided adhesive, the third layer is the second release film, and the fourth layer is the protective film.
In one embodiment, any one of the steps S1 to S7 is formed by pressing/fitting a steel roller and a rubber roller. And (3) pressing all the sheet-shaped base materials and the release films in the steps S1-S6 by the steel roller and the rubber roller in the step S7 so as to stabilize the sleeve positions of the sheet-shaped base materials and the release films. The rubber roller is a roller-shaped product which is prepared by taking metal or other materials as a core and coating rubber outside and vulcanizing. The rubber roller generally comprises an outer layer of rubber, a hard rubber layer, a metal core, a roller neck and a vent hole, and the processing comprises the working procedures of roller core sand blasting, bonding treatment, rubberizing forming, cloth wrapping, iron wire winding, vulcanizing in a vulcanizing tank, surface processing and the like. The steel roller is made of metal materials such as thin steel, copper-plated steel, stainless steel and the like by winding. .
In one embodiment, the first semifinished strip-shaped product and the second semifinished strip-shaped product are each cut by a grooved roll, wherein the grooved roll can roll the first semifinished product and the second semifinished product into a shape corresponding to the grooved roll.
In one embodiment, the first sheet substrate is a protective film, the second sheet substrate is a third double-sided tape, and the third sheet substrate is a carrier film.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, apparatus, article or method that comprises the element.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all the equivalent structures or equivalent processes that can be directly or indirectly applied to other related technical fields by using the contents of the specification and the drawings of the present application are also included in the scope of the present application.
Claims (10)
1. A process for die cutting a film sheet comprising:
s1: preparing a sheet-shaped substrate and attaching the sheet-shaped substrate to obtain a supporting film, wherein the sheet-shaped substrate comprises a first sheet-shaped substrate and a second sheet-shaped substrate;
s2: preparing a third sheet-shaped substrate, and attaching the supporting film to the third sheet-shaped substrate to obtain a finished substrate film;
s3: die cutting the finished product substrate film to obtain a first semi-finished product with a shape of a belt;
s4: laminating and die-cutting the first semi-finished product in the belt shape and the third sheet-shaped base material to obtain a second semi-finished product in the belt shape;
s5: preparing a fourth sheet-shaped base material and a first box sealing adhesive tape, and attaching the second semi-finished product with the belt shape, the fourth sheet-shaped base material and the first box sealing adhesive tape to obtain a third semi-finished product;
s6: preparing a first release film, and laminating and die-cutting the first release film and the third semi-finished product to obtain a first finished product with a shape of a belt;
s7: preparing a second carton sealing adhesive tape, and attaching the first finished product in the belt shape and the second carton sealing adhesive tape to obtain a second finished product in the belt shape;
s8: preparing a second release film, attaching the second finished product in the belt shape to the second release film, scraping the rest third flaky base material through a stripping work station, and rolling the rest fourth flaky base material through a first rolling work station to obtain a membrane finished product.
2. The die cutting process of a film according to claim 1, wherein the first sheet-like substrate and the third sheet-like substrate are both single-layer materials and self-adhesive, the second sheet-like substrate is a three-layer material, the upper layer is release glue, the middle layer is first double-sided glue, and the lower layer is release glue.
3. The process for die cutting a film sheet of claim 1 further comprising:
rolling the first frame waste of the first belt-shaped semi-finished product through a second rolling station;
and rolling the frame waste of the first finished product with the shape through a third rolling work station.
4. The film sheet die cutting process according to claim 1, wherein the first box sealing tape is placed on the first movable air-expanding shaft, and when the first box sealing tape is attached to the fourth sheet-like substrate and the second semi-finished product with the shape of the tape, the first movable air-expanding shaft rolls off the self-carrying release film on the upper layer of the double-sided adhesive in the first box sealing tape through the fourth rolling station.
5. The film sheet die cutting process according to claim 1, wherein the second box sealing tape is placed on the second movable air-inflation shaft, and when the second box sealing tape is attached to the fourth semi-finished product, the second movable air-inflation shaft rolls off the first release film on the upper layer of the double-sided adhesive in the second box sealing tape through the fifth rolling station.
6. The die cutting process of a membrane sheet according to claim 1, wherein the first release film and the second release film are made of single-layer materials, one surface of the first release film and one surface of the second release film are provided with release force, when the first release film is subjected to die cutting, the one surface provided with the release force is in contact with a knife of the die cutting, so that the first release film is prevented from being stuck with the knife in the die cutting process, and the second release film and the fourth semi-finished product are attached to serve as a product material belt for supporting a product.
7. The die cutting process for film sheets according to claim 1, wherein the first layer of said finished film sheet is said first release film, the second layer is said second double-sided adhesive, the third layer is said second release film, and the fourth layer is a protective film.
8. The die-cutting process of the film sheet as claimed in claim 1, wherein any one of the steps S1-S7 is formed by pressing/attaching a steel roller and a rubber roller.
9. The film sheet die cutting process of claim 1 wherein said strip shaped first blank and said strip shaped second blank are each cut by a gravure roll.
10. The die cutting process for film sheets according to claim 1, wherein said first sheet substrate is a protective film, said second sheet substrate is a third double-sided adhesive tape, and said third sheet substrate is a carrier film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210294584.2A CN114932685A (en) | 2022-03-24 | 2022-03-24 | Die cutting process of film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210294584.2A CN114932685A (en) | 2022-03-24 | 2022-03-24 | Die cutting process of film |
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| CN114932685A true CN114932685A (en) | 2022-08-23 |
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| CN202210294584.2A Pending CN114932685A (en) | 2022-03-24 | 2022-03-24 | Die cutting process of film |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601946A (en) * | 2021-08-12 | 2021-11-05 | 深圳市领滔科技有限公司 | Die cutting process for composite sheet with silk screen and die cutting production line for composite sheet with silk screen |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113601946A (en) * | 2021-08-12 | 2021-11-05 | 深圳市领滔科技有限公司 | Die cutting process for composite sheet with silk screen and die cutting production line for composite sheet with silk screen |
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