CN112809806B - Waste discharge device and waste discharge method for knife-print-free double-sided adhesive tape - Google Patents
Waste discharge device and waste discharge method for knife-print-free double-sided adhesive tape Download PDFInfo
- Publication number
- CN112809806B CN112809806B CN201911128698.4A CN201911128698A CN112809806B CN 112809806 B CN112809806 B CN 112809806B CN 201911128698 A CN201911128698 A CN 201911128698A CN 112809806 B CN112809806 B CN 112809806B
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- waste discharge
- knife
- auxiliary
- adhesive tape
- double
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- 239000002699 waste material Substances 0.000 title claims abstract description 88
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000004804 winding Methods 0.000 claims abstract description 18
- 239000012945 sealing adhesive Substances 0.000 claims abstract description 11
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 238000010030 laminating Methods 0.000 claims description 36
- 239000012528 membrane Substances 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 abstract description 13
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
Abstract
The invention relates to a waste discharge device of a double-sided adhesive tape without knife marks and a waste discharge method thereof, wherein the waste discharge device comprises a profile waste discharge unit (7), a sealing adhesive tape attaching unit (8), an auxiliary release film waste discharge unit (9), a release film carrier tape attaching unit (10) and a protective film waste discharge unit which are sequentially arranged along the moving direction of a tape (1), the protective film waste discharge unit comprises an auxiliary stripping knife bracket (17), an auxiliary stripping knife (12) arranged on the auxiliary stripping knife bracket (17), protective film winding rollers (11) and rolling shafts (13) which are respectively positioned at two sides of the auxiliary stripping knife (12), the protective film (5) is discharged from the tape (1) which leaves from the release film carrier tape attaching unit (10) at the auxiliary stripping knife (12), and the discharged protective film (5) is wound into the protective film winding rollers (11). Compared with the prior art, the waste discharge device has the advantages that waste discharge at one time is realized, the working hours are saved, the winding times of the material belt and the times of passing through the rolling shaft are reduced, the risk of glue overflow is reduced, and the product yield is improved.
Description
Technical Field
The invention relates to the technical field of double faced adhesive tape processing, in particular to a waste discharge device and a waste discharge method of a knife-mark-free double faced adhesive tape.
Background
The products of the release film carrier tape (carrier film) are all provided with glue (only the glue is sticky, the glue can be stuck on the release film), and the glue can be easily taken when being stuck on the release film carrier tape, namely, the release surface of the release film carrier tape is coated with a layer of silicone oil.
If die-cut have the sword seal on leaving type membrane carrier tape, this die-cut sword seal can lead to the fact destruction to the silicone oil layer on the type face, because glue has the mobile characteristic, in case ooze into the sword seal the inside, will cause to peel off badly, when taking the product in serious, can bring the product bad, cause badly. Therefore, when the product of glue type (especially double-sided glue) is manufactured, the release film carrier tape for finally bearing the product is selected to be non-knife-mark.
At present, the product is generally subjected to secondary die cutting, and a cutting die for one-side punching is performed on a double-sided adhesive tape product (shown in fig. 2, which sequentially includes an auxiliary release film 2, a double-sided adhesive tape 3, a handle release film 4 and a protective film 5) shown in fig. 1 (where a shaded part is an adhesive area), as shown in fig. 3, and a cutting die for two-side punching is shown in fig. 4. Wherein, the first punching is to arrange the waste material on both sides of the cutter line, and the non-glue area of the handle is firstly repaired; and the second punching is to arrange the outline waste materials, the auxiliary release film stuck on the glue is removed after the outline waste materials are arranged, the release film carrier tape is stuck, the protective film is removed, and the finished product can be delivered, wherein the structure of the finished product is shown in fig. 5.
Two towards waste discharge device that adopts in industry are shown in fig. 6, include that the profile that sets gradually along 1 moving direction in material area wastes discharge unit 7, joint sealing sticky tape laminating unit 8, supplementary from type membrane waste discharge unit 9 and from type membrane carrier band laminating unit 10, need straighten the material area when arranging the protection film to will become the straight line when the initial position of pulling up, can not have the radian, otherwise arrange the protection film and can take away the product, cause the default piece phenomenon. According to the structure of rigging machine like this, can only be when this time waste discharge will assist from type membrane 2 to replace to become earlier the rolling from the material area 1 of type membrane carrier band 6, again reverse direction unreel the back, send into material area 1 in the traditional protection film waste discharging device as shown in figure 7, arrange the protection film (put the protection film above, put below from the type membrane carrier band), so arrange after alright obtain the finished product that can go out the goods, discharge the material area 1 of protection film promptly. This kind of traditional mode of wasting discharge needs 2 times to use rigging machine, and the man-hour of relatively wasting is when the object of wasting discharge is the product of overflowing glue, and this product produces easily when passing through the roller bearing on the rigging machine many times and overflows and glue the phenomenon, leads to the product unqualified.
Disclosure of Invention
The invention aims to solve the problems and provides a waste discharge device and a waste discharge method of a double-sided adhesive tape without knife mark, which can realize that a protective film is discharged from the tape at one time.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a waste discharge device in no sword seal double faced adhesive tape area, includes that the profile that sets gradually along material area moving direction is wasted discharge unit, joint sealing sticky tape laminating unit, supplementary from type membrane waste discharge unit, from type membrane carrier band laminating unit and protection film waste discharge unit, protection film waste discharge unit includes supplementary peeling knife support, sets up supplementary peeling knife on supplementary peeling knife support and is located protection film wind-up roll, the roller bearing of supplementary peeling knife both sides respectively, from the material area that leaves from type membrane carrier band laminating unit at supplementary peeling knife department discharge the protection film, the protection film that discharges is rolled up by protection film wind-up roll. The profile waste discharge unit comprises a stripping knife for discharging a waste profile and a profile winding roller for winding the profile, the sealing adhesive tape laminating unit comprises an adhesive tape unwinding roller for unwinding an adhesive tape and a laminating machine for laminating the adhesive tape on a release film in an auxiliary manner, the auxiliary release film waste discharge unit comprises a stripping knife for discharging the waste film in an auxiliary manner and an auxiliary release film winding roller for winding the auxiliary release film, the sealing adhesive tape laminating unit and the auxiliary release film waste discharge unit cooperate to peel off the auxiliary release film from the double-sided adhesive, and the release film carrier tape laminating unit comprises a release film unwinding roller for unwinding a release film carrier tape and a laminating machine for laminating the release film carrier tape on the double-sided adhesive. Wherein, the auxiliary stripping knife can directly adopt a steel ruler.
Furthermore, a circular shaft horizontally arranged is arranged on the auxiliary stripping knife support, the auxiliary stripping knife is installed on the circular shaft and is parallel to the circular shaft, and a knife edge of the auxiliary stripping knife faces outwards, protrudes out of the outer edge of the circular shaft, is not located on the same circumference with the edge of the circular shaft and is in contact with the material belt. The auxiliary stripping knife bracket can also be a laminating machine in a laminating unit of the release film carrier tape, and the circular shaft is a member carried by the laminating machine and is positioned at the tail part of the laminating machine.
Further, the knife edge of the auxiliary stripping knife is inclined obliquely upwards. The obliquely inclined knife edge is beneficial to better contact of the auxiliary stripping knife and the material belt, so that the double faced adhesive tape and the release film carrier tape can be better attached.
Further, the width of the auxiliary stripping knife is 0.3-0.5 times of the diameter of the round shaft. Wherein the width of the auxiliary stripping knife is about 2mm, and the diameter of the round shaft is about 5 mm.
Further, the length of the auxiliary stripping knife is 1-2 times of the width of the material belt. If the material belt deviates from the left and right, the auxiliary stripping knife can be ensured to be in complete contact with the material belt, and the waste discharge of the protective film is not influenced.
Further, the protection film waste discharge unit also comprises a roller support, the roller is horizontally arranged on the roller support and located below the auxiliary stripping knife, and the material belt leaves from the release film carrier tape laminating unit and then leaves from the lower side of the roller through the upper side of the auxiliary stripping knife after the protection film is discharged. The roller support can also be arranged on a laminating machine in the laminating unit of the release film carrier tape.
Furthermore, the part of the material belt between the auxiliary stripping knife and the roller forms an included angle of 10-30 degrees with the horizontal direction. Further preferably, the angle is 15 °. Under this inclination, the speed of wasting discharge of protection film is faster, and the effect is better.
Further, the diameter of the roller is 40-50 mm. If the diameter of the roller is too small, the contact surface between the material belt with the protective film removed and the roller is too small, which is not beneficial to maintaining the inclination angle between the part of the material belt positioned between the auxiliary stripping knife and the roller and the horizontal direction; the diameter is too big, and the ratio of the effective area of contact of material area and roller bearing to the surface area of roller bearing can be on the small side, and the roller bearing occupation space is great, the preparation material of extravagant roller bearing.
Further, the roller support is a telescopic support. The position of the roller relative to the auxiliary stripping knife is convenient to adjust, and therefore the inclination angle between the horizontal direction and a part of the material belt located between the auxiliary stripping knife and the roller is adjusted.
The utility model provides a waste discharge method in no sword seal double faced adhesive tape material area, the material area is including supplementary from type membrane, double faced adhesive tape, handle from type membrane and protection film from top to bottom laminating in proper order, waste discharge method specifically is: after the material belt sequentially passes through the contour waste discharge unit, the box sealing adhesive tape attaching unit, the auxiliary release film waste discharge unit and the release film carrier tape attaching unit, the auxiliary release film is replaced by the release film carrier tape; and (3) removing the protective film from the material belt leaving from the release film carrier tape attaching unit at the auxiliary stripping knife, enabling the removed protective film to pass through the knife edge of the auxiliary stripping knife and then enter the protective film winding roller in the opposite direction, and enabling the material belt with the removed protective film to be a finished product and to leave through the roller.
In the waste discharge device, after the material belt comes out of the laminating machine of the release film carrier tape laminating unit, the double-sided adhesive tape and the release film carrier tape are not tightly laminated, a handle release film is arranged between the protective film to be discharged and the double-sided adhesive tape, and an adhesion layer is not arranged between the handle release film and the protective film, namely, the double-sided adhesive tape is equivalent to a single-sided adhesive tape relative to the protective film, and the protective film can be easily discharged only by tightly laminating the double-sided adhesive tape and the release film carrier tape, so that a component capable of tightly laminating the double-sided adhesive tape and the release film carrier tape is required to be arranged.
The protective film waste discharge unit is arranged behind the release film carrier tape attaching unit and comprises an auxiliary stripping knife bracket, an auxiliary stripping knife, a rolling shaft bracket and a protective film winding roller.
Before the waste discharge device starts to operate, the protective film is firstly stripped from the material belt and is connected with the protective film winding roller and tightened, then the material belt with the protective film removed is wound to the lower side of the rolling shaft and the whole material belt is tightened, and at the moment, the auxiliary stripping knife can quickly remove the protective film by operating the device.
Compared with the prior art, the invention has the following beneficial effects:
(1) through setting up the protection film unit of wasting discharge after leaving type membrane carrier band laminating unit, this protection film unit of wasting discharge only includes supplementary peel off knife support, supplementary peel off knife, roller bearing support and protection film wind-up roll, can realize once only accomplishing the wasting discharge, need not overturn the material area once more, and man-hour is practiced thrift to protection film waste discharge device once again, and protection film waste discharge unit component is simple, easy dismounting.
(2) Because the auxiliary release film is replaced into the material belt of the release film carrier tape without turning, namely rolling and unreeling, the discharged protective film and the material belt of the discharged protective film are rolled, the rolling times and the rolling shaft passing times are reduced, the risk of glue overflow is reduced, and the yield of products is improved.
Drawings
FIG. 1 is a single-sided handled double-sided adhesive product;
FIG. 2 is a schematic view of a single-sided handled double-sided adhesive product;
FIG. 3 is a die for die cutting a single-sided handled double-sided adhesive tape product;
FIG. 4 is a two-die cutting die for a single-sided handled double-sided adhesive tape product;
FIG. 5 is a finished product of double-sided adhesive tape attached to a release film carrier tape;
FIG. 6 is a conventional two-stroke waste discharge apparatus;
fig. 7 is a conventional protective film waste discharging device;
FIG. 8 is a waste discharge device for a double-sided adhesive tape without knife printing according to the present invention;
FIG. 9 is an enlarged view taken at A in FIG. 8;
fig. 10 is a schematic view of the structure of fig. 9.
In the figure: 1-material belt; 2-auxiliary release film; 3-double sided adhesive tape; 4-handle release film; 5-protective film; 6-carrying a release film; 7-profile waste removal unit; 8-a box sealing adhesive tape attaching unit; 9-auxiliary release film waste discharge unit; 10-a release film carrier tape attaching unit; (ii) a 11-a protective film wind-up roll; 12-an auxiliary stripping knife; 13-a roller; 14-round shaft; 15-a roller support; 16-a stripping knife; 17-auxiliary stripper knife holder.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
FIG. 6 shows a conventional two-step punching and waste discharging device, which comprises a profile waste discharging unit 7, a box sealing adhesive tape attaching unit 8, an auxiliary release film waste discharging unit 9 and a release film carrier tape attaching unit 10 sequentially arranged along the moving direction of a material tape 1, wherein the outline waste discharging unit 7 comprises a stripping knife 16 for discharging the waste outline and an outline winding roller for winding the outline, the sealing adhesive tape laminating unit 8 comprises an adhesive tape unwinding roller for unwinding the adhesive tape and a laminating machine for laminating the adhesive tape on an auxiliary release film, the auxiliary release film waste discharging unit 9 comprises a stripping knife 16 for discharging the auxiliary release film and an auxiliary release film winding roller for winding the auxiliary release film, the sealing adhesive tape laminating unit 8 and the auxiliary release film waste discharging unit 9 cooperate to peel the auxiliary release film from the double-sided adhesive, and the release carrier tape laminating unit 10 comprises a release film carrier tape unwinding roller for unwinding the release film carrier tape and a laminating machine for laminating the release film carrier tape on the double-sided adhesive.
As shown in fig. 8, the waste discharge device for the double-sided adhesive tape without knife mark comprises a profile waste discharge unit 7, a box sealing adhesive tape attaching unit 8, an auxiliary type film waste discharge unit 9, a type film carrier tape attaching unit 10 and a protective film waste discharge unit which are sequentially arranged along the moving direction of the tape 1, wherein the protective film waste discharge unit comprises an auxiliary peeling knife support 17, an auxiliary peeling knife 12 arranged on the auxiliary peeling knife support 17, and protective film winding rollers 11 and rolling shafts 13 respectively positioned on two sides of the auxiliary peeling knife 12, the protective film 5 is discharged from the tape 1 separated from the type film carrier tape attaching unit 10 at the auxiliary peeling knife 12, and the discharged protective film 5 is wound by the protective film winding roller 11. The contour waste discharge unit 7, the sealing tape attaching unit 8, the auxiliary release film waste discharge unit 9 and the release film carrier tape attaching unit 10 are the same as those of the device shown in fig. 6.
As shown in fig. 9-10, fig. 9 is an enlarged view of a in fig. 8, a horizontally arranged circular shaft 14 is provided on the auxiliary peeling knife holder 17, the auxiliary peeling knife 12 is mounted on the circular shaft 14 and is parallel to the circular shaft 14, and the edge of the auxiliary peeling knife 12 faces outward and protrudes from the outer edge of the circular shaft 14. The edge of the auxiliary peeling blade 12 is inclined obliquely upward. The width of the auxiliary stripping knife 12 is 0.3-0.5 times of the diameter of the round shaft 14, wherein the width of the auxiliary stripping knife is about 2mm, and the diameter of the round shaft is about 5 mm. The length of the auxiliary stripping knife 12 is 1-2 times of the width of the material belt 1.
The protective film waste discharge unit further comprises a roller support 15, the roller 13 is horizontally arranged on the roller support 15 and located obliquely below the auxiliary peeling knife 12, and the material belt 1 is separated from the release film carrier tape attaching unit 10, passes through the upper side of the auxiliary peeling knife 12, discharges the protective film 5 and then leaves through the lower side of the roller 13. The part of the material belt 1 between the auxiliary stripping knife 12 and the roller 13 forms an included angle of 10-30 degrees with the horizontal direction, and particularly when the included angle is 15 degrees, the waste discharge speed of the protective film is higher, and the effect is better. Wherein the diameter of the roller 13 is 40-50mm, and the roller support 15 is a telescopic support.
The utility model provides a waste discharge method in no sword seal double faced adhesive tape material area, material area 1 is including from supplementary from type membrane 2, double faced adhesive tape 3, handle from type membrane 4 and protection film 5 of laminating in proper order from top to bottom, specifically as shown in figure 2, this waste discharge method specifically is: the waste discharge method specifically comprises the following steps: after the material belt 1 sequentially passes through the contour waste discharge unit 7, the box sealing adhesive tape attaching unit 8, the auxiliary release film waste discharge unit 9 and the release film carrier tape attaching unit 10, the auxiliary release film 2 is replaced by the release film carrier tape 6; the protective film 5 is discharged from the material belt 1 separated from the release film carrier tape attaching unit 10 at the auxiliary peeling knife 12, the discharged protective film 5 enters the protective film winding roller 11 in the reverse direction after passing through the knife edge of the auxiliary peeling knife 12, and the material belt 1 from which the protective film 5 is discharged is a finished product and leaves through the roller 13.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides a waste discharge device in no sword seal double faced adhesive tape area, its characterized in that includes profile waste discharge unit (7), joint sealing sticky tape laminating unit (8), supplementary type membrane waste discharge unit (9), from type membrane carrier band laminating unit (10) and protection film waste discharge unit that set gradually along material area (1) moving direction, protection film waste discharge unit includes supplementary peeling knife support (17), sets up supplementary peeling knife (12) on supplementary peeling knife support (17) and is located protection film wind-up roll (11), roller bearing (13) of supplementary peeling knife (12) both sides respectively, from material area (1) that leaves from type membrane carrier band laminating unit (10) arrange protection film (5) in supplementary peeling knife (12) department, and the protection film (5) of arranging are rolled up by protection film wind-up roll (11).
2. The waste discharge device for a double sided tape without knife mark according to claim 1, wherein the auxiliary peeling knife holder (17) is provided with a horizontally arranged circular shaft (14), the auxiliary peeling knife (12) is mounted on the circular shaft (14) and is parallel to the circular shaft (14), and the edge of the auxiliary peeling knife (12) faces outwards and protrudes from the outer edge of the circular shaft (14).
3. The waste discharge device for a double-sided adhesive tape without knife mark of claim 2, wherein the knife edge of the auxiliary peeling knife (12) is inclined obliquely upward.
4. The waste discharge device for a double-sided adhesive tape without knife mark of claim 2, wherein the width of the auxiliary peeling knife (12) is 0.3-0.5 times the diameter of the circular shaft (14).
5. The waste discharge device for a double-sided adhesive tape without knife mark according to claim 1, wherein the length of the auxiliary peeling knife (12) is 1-2 times the width of the tape (1).
6. The waste discharge device for the double-sided adhesive tape without the knife mark of claim 1, wherein the waste discharge unit for the protective film further comprises a roller support (15), the roller (13) is horizontally arranged on the roller support (15) and is positioned obliquely below the auxiliary peeling knife (12), and the tape (1) passes through the upper side of the auxiliary peeling knife (12) after leaving from the carrier tape attaching unit (10) for the release film, and leaves through the lower side of the roller (13) after the protective film (5) is discharged.
7. The waste discharge device for a double-sided adhesive tape without knife mark according to claim 6, wherein the portion of the tape (1) between the auxiliary stripping knife (12) and the roller (13) forms an angle of 10-30 ° with the horizontal direction.
8. The device for discharging a double-sided adhesive tape without knife mark according to claim 6, wherein the diameter of the roller (13) is 40-50 mm.
9. The waste discharge device for a double-sided adhesive tape without knife mark of claim 6, wherein the roller support (15) is a retractable support.
10. A method for waste disposal of a double-sided adhesive tape without knife mark, based on the device according to any one of claims 1 to 9, wherein the tape (1) comprises an auxiliary release film (2), a double-sided adhesive tape (3), a handle release film (4) and a protective film (5) which are sequentially attached from top to bottom, and the method for waste disposal is specifically: after the material belt (1) sequentially passes through the contour waste discharge unit (7), the box sealing adhesive tape attaching unit (8), the auxiliary release film waste discharge unit (9) and the release film carrier belt attaching unit (10), the auxiliary release film (2) is replaced by the release film carrier belt (6); the protective film (5) is discharged from the material belt (1) which leaves from the release film carrier tape attaching unit (10) at the auxiliary peeling knife (12), the discharged protective film (5) enters the protective film winding roller (11) in the reverse direction after passing through the knife edge of the auxiliary peeling knife (12), and the material belt (1) from which the protective film (5) is discharged is a finished product and leaves through the rolling shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128698.4A CN112809806B (en) | 2019-11-18 | 2019-11-18 | Waste discharge device and waste discharge method for knife-print-free double-sided adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128698.4A CN112809806B (en) | 2019-11-18 | 2019-11-18 | Waste discharge device and waste discharge method for knife-print-free double-sided adhesive tape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112809806A CN112809806A (en) | 2021-05-18 |
| CN112809806B true CN112809806B (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911128698.4A Active CN112809806B (en) | 2019-11-18 | 2019-11-18 | Waste discharge device and waste discharge method for knife-print-free double-sided adhesive tape |
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| CN (1) | CN112809806B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107081810A (en) * | 2017-05-19 | 2017-08-22 | 瑞安市丰日机械有限公司 | Composite membrane cuts machine and its die-cutting process |
| CN209364810U (en) * | 2018-12-27 | 2019-09-10 | 昊佰电子科技（上海）有限公司 | It is a kind of for double-sided adhesive without knife stamp cutting apparatus |
| CN109761077B (en) * | 2019-02-01 | 2021-03-05 | 昆山尚为新材料有限公司 | Die cutting process of VHB foam adhesive tape |
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Address after: 201108 the 1 story 1F101 room 2, 2059 metropolitan Road, Minhang District, Shanghai. Patentee after: Shanghai Haobai Zhizao Precision Electronics Co.,Ltd. Address before: 201108 the 1 story 1F101 room 2, 2059 metropolitan Road, Minhang District, Shanghai. Patentee before: HOPINES ELECTRONIC TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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