CN114102725A - Manufacturing method of die-cutting piece with round hole - Google Patents
Manufacturing method of die-cutting piece with round hole Download PDFInfo
- Publication number
- CN114102725A CN114102725A CN202010894149.4A CN202010894149A CN114102725A CN 114102725 A CN114102725 A CN 114102725A CN 202010894149 A CN202010894149 A CN 202010894149A CN 114102725 A CN114102725 A CN 114102725A
- Authority
- CN
- China
- Prior art keywords
- die
- release film
- die cutting
- adhesive tape
- sided adhesive
- 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
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 81
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000002699 waste material Substances 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000002390 adhesive tape Substances 0.000 claims abstract description 29
- 238000004080 punching Methods 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 25
- 230000001070 adhesive effect Effects 0.000 claims description 25
- 229920002799 BoPET Polymers 0.000 claims description 13
- 239000005041 Mylar™ Substances 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000012945 sealing adhesive Substances 0.000 claims description 11
- 239000000741 silica gel Substances 0.000 claims description 11
- 229910002027 silica gel Inorganic materials 0.000 claims description 11
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000126 substance 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
- B26D11/00—Combinations of several similar cutting apparatus
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention relates to a method for manufacturing a die-cut piece with a round hole, which comprises the following steps: (1) laminating in one-level material area: forming a first-grade material belt; (2) a die cutting and waste discharge: performing die cutting on the primary material strap in a die cutting machine, die cutting round holes, and discharging round hole waste materials and a first release film (4); (3) laminating of second grade material area: forming a secondary material belt; (4) secondary die cutting and waste discharge: carrying out secondary punching die cutting on the secondary material strap in a secondary die cutting machine, and discharging secondary punching waste materials including the second release film (6); (5) laminating and winding a die cutting piece finished product: and (3) attaching a material tape film (10) on the double-sided adhesive tape (3), discharging the first single-sided adhesive tape (1) to obtain a finished die-cut piece with a circular hole, and rolling. Compared with the prior art, the invention has the advantages of avoiding poking the hole manually, enabling the waste of the round hole to be discharged more easily, saving time and cost, reducing the reject ratio of the product and the like.
Description
Technical Field
The invention relates to the field of die-cut piece processing, in particular to a manufacturing method of a die-cut piece with a circular hole.
Background
Because VHB glues can not produce stress concentration, have better apparent quality and life, can bond different kinds of materials, dispel the deformation and the stress that thermal expansion coefficient difference arouses, can provide the protection to the cementing surface, prevent the emergence of chemical or potential corrosion. The adhesive also has the advantages of simple construction, convenient operation, rapid adhesion and beautiful appearance, and is commonly used in various industries.
Because of the viscidity that VHB glued is strong, it is too fast to back the viscidity, is difficult for the wasting discharge, if the mould cuts on the piece product porosely, round hole or square frame promptly, is difficult for the wasting discharge when the preparation, can only poke the hole by hand. And manual hole poking can cause glue overflow and glue pulling to cause poor products.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the method for manufacturing the die-cutting piece with the round holes, which avoids manual punching, enables the waste of the round holes to be easier to discharge, saves time and cost and reduces the reject ratio of products.
The purpose of the invention can be realized by the following technical scheme:
a method for manufacturing a die-cut piece with a circular hole comprises the following steps:
(1) laminating in one-level material area: sequentially attaching a product release film, a double-sided adhesive and a first release film to the first single-sided adhesive to form a primary material belt;
(2) a die cutting and waste discharge: performing die cutting on the primary material strap in a die cutting machine, die cutting round holes, and discharging round hole waste materials and a first release film;
(3) laminating of second grade material area: attaching a second release film to the double-sided adhesive to form a secondary material belt;
(4) secondary die cutting and waste discharge: carrying out secondary punching die cutting on the secondary material strap in a secondary die cutting machine, and discharging secondary punching waste materials including the second release film;
(5) laminating and winding a die cutting piece finished product: and (5) attaching a material belt film on the double-sided adhesive, discharging the first single-sided adhesive to obtain a finished product of the die-cut piece with the round hole, and rolling.
Further, a blade a matched with a die cutting pattern is arranged on the die cutting machine, and the die cutting layer of the blade a sequentially comprises a first release film, double-faced adhesive and a product release film from top to bottom.
Further, the section of the blade a is a triangle with acute angles, and the angle of the blade point is 10-15 degrees. The prior art is when the material area cross cutting, what generally adopted is that the angle can be little to neglected the knife line, generally can not exceed 5, so sharp knife line cross cutting later can't effectively separate round hole portion and frame part, because the viscidity back of double faced adhesive tape leads to the round hole waste material to be difficult to discharge, generally all needs the manual hole of disclosing. After the angle of the blade edge of the cross section of the blade is enlarged, the circular hole waste cut by the die is in a circular truncated cone shape with the diameter reduced from top to bottom in sequence, so that the circular hole part is effectively separated from the outer frame part, the circular hole waste can be in a suspension state, waste is discharged from the top easily, and the hole does not need to be poked manually.
Further, the specific way of discharging the round hole waste material is as follows: the second single-sided adhesive is attached to the first release film, and then is rolled, so that the circular hole waste formed by punching and die cutting of the second single-sided adhesive is discharged along with the second single-sided adhesive. The round hole waste is the waste formed by the die cutting of the blade a.
Furthermore, a knife line b matched with the pattern of the two-die cutting machine is arranged on the two-die cutting machine1And b2The cutting line b1The punching layers sequentially comprise a second release film, a double-sided adhesive and a product release film from top to bottom, and the knife line b2The punching layers of the adhesive tape sequentially comprise a second release film and a double-sided adhesive tape from top to bottom.
Further, the two-punching waste material also comprises profile waste material formed after two-punching die cutting and redundant waste glue on the double-sided glue.
Further, the specific waste discharge manner of the profile waste is as follows: and the silica gel tape is attached to the second release film and is rolled, so that the outline waste formed by die cutting of the two dies is discharged along with the silica gel tape. The waste material of the profile is the cutting line b1And (3) forming profile waste after die cutting.
Further, the waste discharge of the waste rubber is specifically as follows: and attaching the mylar to the second release film, and rolling the mylar so that waste glue formed by die cutting of the mylar is discharged along with the mylar. The waste rubber is the cutter line b1And b2The smaller part enclosed after die cutting, i.e. the part without round hole, of course, the waste glue includesThe second is from type membrane and double faced adhesive tape two-layer.
Further, the second release film is specifically discharged in the following manner: the joint sealing adhesive tape is attached to the second release film and is rolled up, so that the second release film is discharged along with the joint sealing adhesive tape together. At the moment, the second release film only has a cutting line b1And b2The larger part enclosed after die cutting is the part with the round hole.
The die-cut piece with the round hole manufactured by the method sequentially comprises a material belt film, a double-faced adhesive and a product release film.
Without specific description, the double-sided adhesive tape of the present invention is VHB adhesive tape.
Compared with the prior art, the invention has the following advantages:
(1) after the angle of the blade edge of the section of the blade is enlarged, the circular hole waste material cut by the die is in a circular truncated cone shape with the diameter being reduced from top to bottom, so that the circular hole part is effectively separated from the outer frame part, the circular hole waste material is in a suspension state, waste discharge is easily carried out from the top, and manual punching is not needed;
(2) because the invention avoids poking the hole manually, compared with the prior art, the reject ratio of the product is reduced to almost 0, and the productivity is improved by 5 times.
Drawings
FIG. 1 is a flow chart of a die cut piece preparation process in an example;
FIG. 2 is a schematic view of a die blade according to the embodiment;
FIG. 3 is a side view of a die blade in accordance with an embodiment;
FIG. 4 is a die cut level view of the embodiment;
FIG. 5 is a side view of the second die cutter in the embodiment;
FIG. 6 is a diagram of a level of a second die cut of the exemplary embodiment;
FIG. 7 is a cut away view of the die cut of the present invention;
FIG. 8 is a level view of a die cut piece of the present invention;
the reference numbers in the figures indicate: the first single-sided adhesive 1 is provided with a product release film 2, a double-sided adhesive 3, a first release film 4, a second single-sided adhesive 5, a second release film 6, a silica gel tape 7, a Mylar 8, a box sealing adhesive tape 9 and a material tape film 10.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The double-sided tapes described in the following cases are all VHB tapes, not specifically described, and have a thickness of 0.02 mm.
Examples
A die-cut piece with a circular hole, as shown in figures 7-8, sequentially comprises a material belt film 10, a double-sided adhesive tape 3 and a product release film 2, and a manufacturing method thereof, as shown in figure 1, comprises the following steps:
(1) laminating in one-level material area: sequentially attaching a product release film 2, a double-sided adhesive tape 3 and a first release film 4 to the first single-sided adhesive tape 1 to form a first-level material belt;
(2) a die cutting and waste discharge: performing die cutting on the primary material strap in a die cutting machine, die cutting round holes, and discharging round hole waste materials and the first release film 4; a die cutting machine is provided with a blade a matched with a die cutting pattern, as shown in fig. 2, the die cutting layer of the blade a sequentially comprises a first release film 4, a double-sided adhesive tape 3 and a product release film 2 from top to bottom, as shown in fig. 4. The section of the blade a is a triangle with acute angles, and the angle of the blade point is 10-15 degrees, as shown in figure 3. The prior art is when the material area cross cutting, what generally adopted is that the angle can be little to neglected the knife line, generally can not exceed 5, so sharp knife line cross cutting later can't effectively separate round hole portion and frame part, because the viscidity back of double faced adhesive tape leads to the round hole waste material to be difficult to discharge, generally all needs the manual hole of disclosing. After the angle of the blade edge of the cross section of the blade is enlarged, the circular hole waste cut by the die is in a circular truncated cone shape with the diameter reduced from top to bottom in sequence, so that the circular hole part is effectively separated from the outer frame part, the circular hole waste can be in a suspension state, waste is discharged from the top easily, and the hole does not need to be poked manually.
The specific mode of discharging the round hole waste material is as follows: the second single-sided adhesive 5 is attached to the first release film 4, and then the second single-sided adhesive 5 is wound, so that the second single-sided adhesive 5 discharges round hole waste materials formed by punching and die cutting along with the second single-sided adhesive 5. The round hole waste is the waste formed by the die cutting of the blade a.
(3) Laminating of second grade material area: attaching a second release film 6 on the double-sided adhesive tape 3 to form a secondary material tape;
(4) secondary die cutting and waste discharge: carrying out secondary punching die cutting on the secondary material belt in a secondary die cutting machine, and discharging secondary punching waste materials including the second release film 6; the two-die cutting machine is provided with a knife line b matched with the cutting pattern of the two dies1And b2See fig. 5, cutting line b1The punching layer comprises a second release film 6, a double-sided adhesive tape 3 and a product release film 2 from top to bottom in sequence, as shown in figure 6, a knife line b2The die-cut layer of (2) comprises a second release film 6 and a double-sided adhesive tape 3 from top to bottom in sequence, as shown in fig. 6. The two-punching waste material also comprises profile waste material formed after two-punching die cutting and redundant waste glue on the double-sided adhesive tape 3.
The specific waste discharge mode of the profile waste is as follows: the silica gel tape 7 is attached to the second release film 6, and the silica gel tape 7 is wound, so that the outline waste material formed by the two punching die cutting processes of the silica gel tape 7 is discharged along with the silica gel tape 7. The waste material of the profile is the cutting line b1And (3) forming profile waste after die cutting.
The specific waste discharge mode of the waste rubber is as follows: and attaching the mylar 8 to the second release film 6, and rolling the mylar 8, so that the mylar 8 discharges waste glue formed by die cutting of the two dies together with the mylar 8. The waste rubber is the cutter line b1And b2The smaller part enclosed after die cutting, namely the part without the round hole, of course, the waste glue comprises two layers of the second release film 6 and the double-sided adhesive 3.
The second is from the waste discharge specific mode of type membrane 6: the box sealing adhesive tape 9 is attached to the second release film 6, and the box sealing adhesive tape 9 is wound, so that the box sealing adhesive tape 9 discharges the second release film 6 along with the box sealing adhesive tape 9. At this time, the second release film 6 only has a cutting line b1And b2The larger part enclosed after die cutting is the part with the round hole.
(5) Laminating and winding a die cutting piece finished product: and (3) attaching a material tape film 10 on the double-sided adhesive tape 3, discharging the first single-sided adhesive tape 1 to obtain a finished die-cut piece with a circular hole, and rolling.
In this embodiment, the defective rate of the product is almost 0, and the yield of the die-cut piece is 3000/h.
Comparative example
Referring to fig. 1 to 6, the difference from the embodiment is that the section of the blade a is a triangle with an acute angle, the angle of the blade edge is less than 5 degrees, if the hole waste is difficult to discharge, only the hole can be poked by hand.
In the comparative example, the product reject ratio is about 20 percent, and the yield of the die-cut piece is only about 600 pieces/h.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (10)
1. The manufacturing method of the die-cut piece with the round hole is characterized by comprising the following steps of:
(1) laminating in one-level material area: sequentially attaching a product release film (2), a double-sided adhesive tape (3) and a first release film (4) to the first single-sided adhesive tape (1) to form a primary material belt;
(2) a die cutting and waste discharge: performing die cutting on the primary material strap in a die cutting machine, die cutting round holes, and discharging round hole waste materials and a first release film (4);
(3) laminating of second grade material area: a second release film (6) is attached to the double-sided adhesive tape (3) to form a secondary material tape;
(4) secondary die cutting and waste discharge: carrying out secondary punching die cutting on the secondary material strap in a secondary die cutting machine, and discharging secondary punching waste materials including the second release film (6);
(5) laminating and winding a die cutting piece finished product: and (3) attaching a material tape film (10) on the double-sided adhesive tape (3), discharging the first single-sided adhesive tape (1) to obtain a finished die-cut piece with a circular hole, and rolling.
2. The method for manufacturing the die-cut piece with the circular hole according to claim 1, wherein a die-cutting machine is provided with a blade a matched with a die-cutting pattern, and the die-cutting level of the blade a sequentially comprises a first release film (4), a double-sided adhesive tape (3) and a product release film (2) from top to bottom.
3. The method for making a die-cut member with a circular hole according to claim 2, wherein the cross-section of the blade a is a triangle with an acute angle, and the angle of the blade is 10-15 °.
4. The method for manufacturing the die-cut piece with the round hole as claimed in claim 1, wherein the specific manner of discharging the waste material of the round hole is as follows: the second single-sided adhesive (5) is attached to the first release film (4), and then the second single-sided adhesive (5) is wound, so that circular hole waste materials formed by punching and die cutting of the second single-sided adhesive (5) are discharged together with the second single-sided adhesive (5).
5. The method for making a die-cut member with a circular hole as claimed in claim 1, wherein the two-die cutting machine is provided with a cutting line b matching with the pattern of the two-die cutting machine1And b2The cutting line b1The punching layer comprises a second release film (6), a double-sided adhesive tape (3) and a product release film (2) from top to bottom in sequence, and a knife line b2The punching layers of the adhesive tape sequentially comprise a second release film (6) and a double-sided adhesive tape (3) from top to bottom.
6. The method for manufacturing the die-cut piece with the circular hole according to claim 1, wherein the two punching scraps further comprise a profile scrap formed after the two punching and die-cutting, and an excess scrap adhesive on the double-sided adhesive tape (3).
7. The method for manufacturing the die-cut piece with the circular hole as claimed in claim 6, wherein the specific manner of waste discharge of the profile scraps is as follows: and the silica gel tape (7) is attached to the second release film (6), and the silica gel tape (7) is wound, so that the outline waste materials formed by the two punching die cutting processes of the silica gel tape (7) are discharged together with the silica gel tape (7).
8. The method for manufacturing the die-cut piece with the circular hole as claimed in claim 6, wherein the waste discharge of the waste glue is as follows: and (3) attaching the mylar (8) to the second release film (6), and rolling the mylar (8) to ensure that the mylar (8) discharges the waste glue formed by the two punching die cuts together with the mylar (8).
9. The method for manufacturing the die-cut piece with the circular hole according to claim 6, wherein the second release film (6) is discarded in a specific manner that: and (3) attaching the box sealing adhesive tape (9) to the second release film (6), and rolling the box sealing adhesive tape (9), so that the box sealing adhesive tape (9) discharges the second release film (6) along with the box sealing adhesive tape (9).
10. A die-cut member with circular holes manufactured by the method according to any one of claims 1 to 9, wherein the die-cut member comprises a web film (10), a double-sided tape (3) and a product release film (2) in this order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010894149.4A CN114102725A (en) | 2020-08-31 | 2020-08-31 | Manufacturing method of die-cutting piece with round hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010894149.4A CN114102725A (en) | 2020-08-31 | 2020-08-31 | Manufacturing method of die-cutting piece with round hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114102725A true CN114102725A (en) | 2022-03-01 |
Family
ID=80360101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010894149.4A Pending CN114102725A (en) | 2020-08-31 | 2020-08-31 | Manufacturing method of die-cutting piece with round hole |
Country Status (1)
| Country | Link |
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| CN (1) | CN114102725A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06262592A (en) * | 1993-03-11 | 1994-09-20 | Canon Inc | Dieing and separating method and device therefor |
| CN205033304U (en) * | 2015-09-22 | 2016-02-17 | 上海景奕电子科技有限公司 | Cross cutting discharge device of piece is cut to in -band handle membrane |
| CN205033305U (en) * | 2015-09-22 | 2016-02-17 | 上海景奕电子科技有限公司 | Cross cutting exhaust device of in -band frame cross cutting spare |
| JP2017024073A (en) * | 2015-07-23 | 2017-02-02 | 株式会社江東彫刻 | Roll cutting device |
| CN106541449A (en) * | 2015-09-22 | 2017-03-29 | 上海景奕电子科技有限公司 | A kind of cross cutting waste discharge apparatus with inside casing cutting part and cross cutting waste discharge method |
| CN106541448A (en) * | 2015-09-22 | 2017-03-29 | 上海景奕电子科技有限公司 | A kind of cross cutting discharge device with interior handle film cut piece and cross cutting discharging method |
| CN107877578A (en) * | 2016-09-29 | 2018-04-06 | 南卜电子科技（上海）有限公司 | A kind of die-cutting apparatus for porous ultra-thin one side glue |
| CN109531694A (en) * | 2017-09-22 | 2019-03-29 | 昊佰电子科技（上海）有限公司 | A kind of Kapton product without knife stamp blanking method and die-cutting apparatus |
| KR20190136527A (en) * | 2018-05-31 | 2019-12-10 | (주)파인테크 | Punching apparatus and method for film |
| KR20190136528A (en) * | 2018-05-31 | 2019-12-10 | (주)파인테크 | Punching apparatus and method for film |
| WO2019242281A1 (en) * | 2018-06-22 | 2019-12-26 | 深圳市哈德胜精密科技股份有限公司 | Automatic magnetic roller die cutter |
-
2020
- 2020-08-31 CN CN202010894149.4A patent/CN114102725A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06262592A (en) * | 1993-03-11 | 1994-09-20 | Canon Inc | Dieing and separating method and device therefor |
| JP2017024073A (en) * | 2015-07-23 | 2017-02-02 | 株式会社江東彫刻 | Roll cutting device |
| CN205033304U (en) * | 2015-09-22 | 2016-02-17 | 上海景奕电子科技有限公司 | Cross cutting discharge device of piece is cut to in -band handle membrane |
| CN205033305U (en) * | 2015-09-22 | 2016-02-17 | 上海景奕电子科技有限公司 | Cross cutting exhaust device of in -band frame cross cutting spare |
| CN106541449A (en) * | 2015-09-22 | 2017-03-29 | 上海景奕电子科技有限公司 | A kind of cross cutting waste discharge apparatus with inside casing cutting part and cross cutting waste discharge method |
| CN106541448A (en) * | 2015-09-22 | 2017-03-29 | 上海景奕电子科技有限公司 | A kind of cross cutting discharge device with interior handle film cut piece and cross cutting discharging method |
| CN107877578A (en) * | 2016-09-29 | 2018-04-06 | 南卜电子科技（上海）有限公司 | A kind of die-cutting apparatus for porous ultra-thin one side glue |
| CN109531694A (en) * | 2017-09-22 | 2019-03-29 | 昊佰电子科技（上海）有限公司 | A kind of Kapton product without knife stamp blanking method and die-cutting apparatus |
| KR20190136527A (en) * | 2018-05-31 | 2019-12-10 | (주)파인테크 | Punching apparatus and method for film |
| KR20190136528A (en) * | 2018-05-31 | 2019-12-10 | (주)파인테크 | Punching apparatus and method for film |
| WO2019242281A1 (en) * | 2018-06-22 | 2019-12-26 | 深圳市哈德胜精密科技股份有限公司 | Automatic magnetic roller die cutter |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 201108 the 1 story 1F101 room 2, 2059 metropolitan Road, Minhang District, Shanghai. Applicant after: Shanghai Haobai Zhizao Precision Electronics Co.,Ltd. Address before: 201108 the 1 story 1F101 room 2, 2059 metropolitan Road, Minhang District, Shanghai. Applicant before: HOPINES ELECTRONIC TECHNOLOGY (SHANGHAI) Co.,Ltd. Country or region before: China |