CN204247562U - A kind of copper foil surface cleaner - Google Patents
A kind of copper foil surface cleaner Download PDFInfo
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- CN204247562U CN204247562U CN201420714161.2U CN201420714161U CN204247562U CN 204247562 U CN204247562 U CN 204247562U CN 201420714161 U CN201420714161 U CN 201420714161U CN 204247562 U CN204247562 U CN 204247562U
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- dust
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- right support
- left support
- copper foil
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Abstract
The utility model discloses a kind of copper foil surface cleaner, comprise left support (1) and right support (2), described left support, right support are all fixed with the first cylinder (3), the dust-binding rubber roll (4) and control of dust roller (5) that are parallel to each other is provided with between described left support, right support, described dust-binding rubber roll is provided with encapsulate layer, described control of dust roller is provided with masking tape (6), and the two ends of dust-binding rubber roll (4) or control of dust roller (5) are connected with the first cylinder (3) on left support (1) and right support (2) or are connected with left support (1) and right support (2) respectively respectively.After have employed this structure, copper powder, the dust and other impurities of copper foil surface can be cleared up timely and effectively, prevent foreign material from sandwiching in volume and cause the quality problems such as load mould, reduce clean difficulty, improve cleaning efficiency, cleaning effect is good, keep copper foil surface to clean smooth, effectively improve the rate that manufactures a finished product.
Description
Technical field
The utility model relates to a kind of copper foil surface cleaner.
Background technology
Copper Foil is cutting knife and Copper Foil friction in cutting edge process, inevitably produce copper powder, copper powder can be scattered on copper foil surface and deflector roll, simultaneously dust and other impurities also can be scattered in process of production on copper foil surface and deflector roll, foreign material are sandwiched in volume or bring in groove and can cause the number of drawbacks such as load mould, electric shock, if if there is copper powder in the copper foil surface that printed substrate uses in addition, wiring board circuit probably can be caused to be short-circuited, wiring board is caused to scrap, these defects have a strong impact on Copper Foil quality, the rate thus impact manufactures a finished product.In order to clear up these foreign material in prior art, usual employing to copper foil surface carry out air-blowing or manual cleaning cloth on surfaces of the copper foil the processing mode such as wiping clear up, but these methods are difficult to by foreign material cleaning thoroughly, and scale removal process cumbersome, increase labour intensity, reduce operating efficiency.
Utility model content
In order to ensure Copper Foil quality, improve and to manufacture a finished product rate, the utility model provides a kind of cleaning equipment can clearing up copper foil surface foreign material timely and effectively, solve the mode of clearing up copper foil surface foreign material in prior art to be difficult to by foreign material cleaning thoroughly, and the problem that scale removal process is cumbersome.
The technical solution adopted in the utility model is: a kind of copper foil surface cleaner, comprise left support and right support, left support, right support are all fixed with the first cylinder, the dust-binding rubber roll be parallel to each other and control of dust roller is provided with between left support, right support, dust-binding rubber roll is provided with encapsulate layer, control of dust roller is provided with masking tape, and the two ends of dust-binding rubber roll or control of dust roller are connected with the first cylinder on left support and right support or are connected with left support and right support respectively respectively.
As further improvement of the utility model, the two ends of dust-binding rubber roll are connected with left support and right support respectively, and the two ends of control of dust roller are connected with the first cylinder on left support and right support respectively.
As further improvement of the utility model, it also comprises two mounting brackets and is fixed on second cylinder on each mounting bracket, first cylinder and the second cylinder comprise cylinder body, cylinder block, guide rod, piston rod, fixed head and fast plug in gas-tpe fitting, each cylinder body is all fixed on cylinder block, each guide rod and each piston rod line parallel, each guide rod is connected with the piston of piston rod with each cylinder body, cylinder body is all stretched out in the end of each guide rod and piston rod, each guide rod is all fixedly connected with fixed head with piston rod, each fast gas-tpe fitting of inserting all is communicated with cylinder body, the cylinder block of the cylinder block of two the first cylinders and two the second cylinders is fixed on the both sides of left support and the both sides of right support respectively, left support and right support are connected with the fixed head of two the second cylinders respectively, the two ends of control of dust roller are connected with the fixed head of the first cylinder on left support and right support respectively.
As further improvement of the utility model, guide rod on first cylinder and the second cylinder has two, and the two sides of cylinder block are stretched out at the guide rod of the second cylinder and the two ends of piston rod, the fixed head of the second cylinder has two, is connected on the guide rod of every side and the end of piston rod respectively.
As further improvement of the utility model, dust-binding rubber roll and control of dust roller comprise axle and are movably connected in the bearing block at axle two ends, the bearing block at dust-binding rubber roll two ends is connected with left support and right support respectively, the bearing block at described control of dust roller two ends is connected with the first cylinder on left support and right support respectively, the axle of control of dust roller is air-expanding shaft, and masking tape is wound on a paper roll, paper roll is positioned on air-expanding shaft.
As further improvement of the utility model, the encapsulate layer on dust-binding rubber roll is polyethylene encapsulate layer, is fixed with crossbeam between left support and right support.
As further improvement of the utility model, it also comprises the shovel gummed paper blade be movably connected on the crossbeam of control of dust roller, and the cutting edge of shovel gummed paper blade is towards masking tape.
The beneficial effects of the utility model are: after have employed this structure, copper powder, the dust and other impurities of copper foil surface can be cleared up timely and effectively, prevent foreign material from sandwiching in volume and cause the quality problems such as load mould, reduce clean difficulty, improve cleaning efficiency, cleaning effect is good, keep copper foil surface to clean smooth, effectively improve the rate that manufactures a finished product.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram.
Fig. 2 is sectional view of the present utility model.
Fig. 3 is the schematic diagram of cylinder in the utility model.
Fig. 4 is the utility model pneumatic control system schematic diagram.
Shown in figure: 1 left support, 2 right supports, 3 first cylinders, 4 dust-binding rubber rolls, 5 control of dust rollers, 6 masking tapes, 7 mounting brackets, 8 second cylinders, 9 cylinder blocks, 10 guide rods, 11 piston rods, 12 fixed heads, 13 plug in gas-tpe fitting, 14 bearing blocks, 15 crossbeams, 16 magnetic valves soon.
Detailed description of the invention
In this utility model, left support 1 refers to the support on the left of Fig. 1, and right support 2 refers to the support on the right side of Fig. 1, and lower surface refers to the one side towards ground after installation, and upper surface refers to after installation towards sky, the face contrary with lower surface.These nouns of locality are only used to convenient describing, and should not be construed as the restriction to protection domain.
Below the utility model is described further.
Embodiment 1: a kind of copper foil surface cleaner, comprise left support 1 and right support 2, left support, right support are all fixed with the first cylinder 3, the dust-binding rubber roll 4 be parallel to each other and control of dust roller 5 is provided with between left support, right support, dust-binding rubber roll is provided with encapsulate layer, control of dust roller is provided with masking tape 6, and dust-binding rubber roll 4 is connected with the first cylinder 3 on left support 1 and right support 2, and the two ends of control of dust roller 5 are connected with left support 1 and right support 2 respectively.
Embodiment 2 is with the difference of embodiment 1: the two ends of dust-binding rubber roll 4 are connected with left support 1 and right support 2 respectively, and the two ends of control of dust roller are connected with the first cylinder 3 on left support 1 and right support 2 respectively.
Embodiment 1 and embodiment 2 essentially describe the connected mode of two kinds of dust-binding rubber rolls 4 and control of dust roller 5, to " two ends of dust-binding rubber roll 4 or control of dust roller 5 are connected with the first cylinder 3 on left support 1 and right support 2 or are connected with left support 1 and right support 2 respectively respectively." make an explanation, if namely the two ends of dust-binding rubber roll 4 are connected with the first cylinder 3 on left support 1 and right support 2 respectively, the two ends of control of dust roller 5 are connected with left support 1 and right support 2 respectively, and vice versa, repeats no more.
Embodiment 1 is with embodiment 2, the connected mode of dust-binding rubber roll 4 or control of dust roller 5 and the first cylinder 3 or left support 1 and right support 2 has multiple, such as two ends are directly movably connected in left support 1 and right support 2 or are directly movably connected on the piston rod of cylinder, dust-binding rubber roll 4 and control of dust roller 5 can also adopt other structures and connected mode, will do and further explain in subsequent embodiment.The mode that control of dust roller arranges masking tape 6 has and is multiplely such as directly wrapped on control of dust roller by masking tape 6, or masking tape 6 segmentation is pasted onto from level to level on control of dust roller, every segment length equals control of dust roller girth substantially, or the paper roll that outer rim is wound with masking tape 6 is set, will do in subsequent embodiment further explain about arranging scheme paper roll, paper roll being wound with masking tape 6.
Before using, be arranged on by copper foil surface cleaner on the suitable position of Copper Foil banding machine, respectively there is the transition roller on a Copper Foil banding machine both sides of copper foil surface cleaner.During use, start Copper Foil banding machine, Copper Foil passes through from one of them transition roller upper surface, after dust-binding rubber roll 4, Copper Foil enters another transition roller lower surface, thus make to form certain cornerite between Copper Foil and dust-binding rubber roll 4, dust-binding rubber roll 4 is by copper powder on Copper Foil, dust and other impurities is bonded at (the encapsulate layer on dust-binding rubber roll 4 can not scratch copper foil surface) on the encapsulate layer of dust-binding rubber roll 4, first cylinder 3 is for regulating the spacing between dust-binding rubber roll 4 and control of dust roller 5, masking tape 6 and dust-binding rubber roll 4 surface contact that control of dust roller 5 is deleted, control of dust roller 5 contact with dust-binding rubber roll 4 cooperation make control of dust roller 5 relatively and dust-binding rubber roll 4 rotate backward, thus by the refuse collecting on the encapsulate layer on dust-binding rubber roll.When section masking tape of on control of dust roller 5 sticks, this section of masking tape is torn and with next section of masking tape, the foreign material on masking tape to be collected.
In order to make to form certain cornerite between Copper Foil and dust-binding rubber roll 4 when copper foil surface cleaner is installed on Copper Foil banding machine, the position be arranged on Copper Foil banding machine is just very crucial, but determine suitable location comparison difficulty, be difficult to ensure cleaning effect, therefore expect making further improvements, such as guide rail is set on Copper Foil banding machine, left support 1 and right support 2 are suitable and be movably connected in can along guide rail movement on guide rail with guide rail, preferably adopt embodiment 3, embodiment 3 is with the difference of embodiment 2: second cylinder 8 also comprising two mounting brackets 7 and be fixed on each mounting bracket, first cylinder and the second cylinder comprise cylinder body, cylinder block 9, guide rod 10, piston rod 11, fixed head 12 and fast plug in gas-tpe fitting 13, each cylinder body is all fixed on cylinder block 9, each guide rod and each piston rod line parallel, each guide rod 10 is connected with the piston of piston rod 11 with each cylinder body, cylinder body is all stretched out in the end of each guide rod 10 and piston rod 11, each guide rod and piston rod are all fixedly connected with fixed head 12, each fast gas-tpe fitting 13 of inserting all is communicated with cylinder body, the cylinder block of the cylinder block of two the first cylinders and two the second cylinders is fixed on the both sides of left support 1 and the both sides of right support 2 respectively, left support and right support are connected with the fixed head 12 of two the second cylinders 8 respectively, the two ends of control of dust roller 5 are connected with the fixed head 12 of the first cylinder 3 on left support and right support respectively.After have employed embodiment 3, gas is passed into from fast inserting in gas-tpe fitting 13 phase cylinder body, the motion of cylinder body inner carrier makes piston rod 11 drive fixed head 12 to move, guide rod 10 plays motion guide effect, ensures stablizing when running, due to left support and right support be connected with the fixed head 12 of two the second cylinders 8 respectively, fixed head 12 moves and drives whole cleaner to move, thus can realize by the spacing between the second cylinder adjustment dust-binding rubber roll 4 and Copper Foil, ensure to form certain cornerite between Copper Foil and dust-binding rubber roll 4, thus ensure that cleaning effect.
Embodiment 4 is with the difference of embodiment 3: the guide rod 10 on the first cylinder 3 and the second cylinder 8 has 2, and the two sides of cylinder block 9 are stretched out at the guide rod 10 of the second cylinder and the two ends of piston rod 11, the fixed head 12 of the second cylinder has two, be connected in respectively on the end of the guide rod 10 of every side and piston rod 11.After have employed embodiment 4, stretch out the two sides of cylinder block 9 due to the guide rod 10 of the second cylinder and the two ends of piston rod 11 thus add the stroke of left support 1 and right support 2, add the amplitude of adjustment, ensure to form certain cornerite between Copper Foil and dust-binding rubber roll 4.
Embodiment 5 is improved on the basis of above-mentioned any embodiment: dust-binding rubber roll 4 and control of dust roller 5 comprise axle and be movably connected in the bearing block 14 at axle two ends, the bearing block at dust-binding rubber roll two ends is connected with left support 1 and right support 2 respectively, the bearing block at control of dust roller two ends is connected with the first cylinder 3 on left support 1 and right support 2 respectively, the axle of control of dust roller 5 is air-expanding shaft, and masking tape 6 is wound on paper roll, paper roll is positioned on air-expanding shaft.Masking tape 6 to be wrapped on control of dust roller or by or the masking tape 6 segmentation mode be pasted onto from level to level on control of dust roller be all the mode that masking tape 6 is directly set on control of dust roller, defect masking tape 6 to be set to after the masking tape 6 that must by the time be set in advance on control of dust roller is finished on control of dust roller 5 if pre-set the control of dust roller of multiple band masking tape 6 that then cost is higher, and therefore these set-up modes are changed inconvenience and needed to consume the plenty of time, reduce operating efficiency.After have employed embodiment 5, be wound in masking tape 6 on paper roll and paper roll installed on control of dust roller, masking tape 6 both can be wound on paper roll by this set while cleaner work, preferably masking tape 6 segmentation to be pasted onto from level to level on paper roll, every segment length equals paper roll girth substantially, thus can prepare multiplely be pasted with the paper roll of masking tape 6 and can have because cost is lower the paper roll that several are pasted with masking tape 6 made to order.The air-expanding shaft of control of dust roller 5 is inflated in use, paper roll is propped up fixing, geo-stationary between paper roll and control of dust roller 5 when ensureing that cleaner runs.The structure of air-expanding shaft also has multiple, air-expanding shaft such as, has the projection that can rise relative to geosynclinal convex after having inflation in several grooves, groove.
Embodiment 6 is improved on the basis of embodiment 5: the encapsulate layer on dust-binding rubber roll 4 is polyethylene encapsulate layer, is fixed with crossbeam 15 between left support 1 and right support 2.Polyethylene encapsulate layer ensures that Copper Foil is not scratched, and crossbeam 15 ensures the stability that left support 1 and right support 2 run.
Need to change manually when replacing one section of masking tape 6, therefore expect further improvement, embodiment 7: also comprise the shovel gummed paper blade be movably connected on the crossbeam 15 of control of dust roller 5, the cutting edge of shovel gummed paper blade is towards masking tape 6.When needing this section of masking tape to change when section masking tape of on control of dust roller 5 sticks, by the edge that shovel gummed paper alignment blade masking tape 6 is connected with control of dust roller 5, rotate control of dust roller 5 thus utilize shovel gummed paper blade to be scooped up by one section of masking tape (if masking tape 6 employing is be wrapped in the mode on control of dust roller 5 air-expanding shaft or paper roll, then being scooped up by one section of masking tape utilizes next section to work on, although cumbersome and slightly poor replacing and the continuous operation that also can realize masking tape 6 of effect; If masking tape 6 adopts is the mode that segmentation is pasted onto on control of dust roller 5 air-expanding shaft or paper roll from level to level, once can shovel one deck, more convenient).
From pneumatic control system schematic diagram of the present utility model, when employing first cylinder 3 and second cylinder 8 two cylinders, 2 magnetic valves 10 be connected with gas circuit can be set, 2 magnetic valves respectively parallel be connected on the first cylinder 3 and the second cylinder 8 gas circuit on, thus the switching of gas circuit can be realized, cleaner can be switched in the spacing regulated between dust-binding rubber roll 4 and control of dust roller 5 and regulating between this two states of the spacing between dust-binding rubber roll 4 and Copper Foil.
In sum, after the utility model have employed this structure, copper powder, the dust and other impurities of copper foil surface can be cleared up timely and effectively, prevent foreign material from sandwiching in volume and cause the quality problems such as load mould, reduce clean difficulty, improve cleaning efficiency, cleaning effect is good, keep copper foil surface to clean smooth, effectively improve the rate that manufactures a finished product.
Those skilled in the art should know, protection scheme of the present utility model is not limited only to the above embodiments, various permutation and combination and conversion can also be carried out on the basis of above-described embodiment, such as directly in embodiment 1 masking tape 6 is wrapped on control of dust roller or masking tape 6 segmentation is pasted onto on control of dust roller from level to level; Dust-binding rubber roll 4 and control of dust roller 5 comprise axle and are movably connected in the bearing block 14 at axle two ends in example 2, and the bearing block at dust-binding rubber roll two ends is connected with left support 1 and right support 2 respectively, the axle of control of dust roller 5 is air-expanding shaft; Between left support 1 and right support 2, the encapsulate layer be fixed with on crossbeam 15, dust-binding rubber roll 4 is polyethylene encapsulate layer in embodiment 1, dust-binding rubber roll 4 and control of dust roller 5 comprise axle and are movably connected in the bearing block 14 at axle two ends, and the bearing block at dust-binding rubber roll two ends is connected with left support 1 and right support 2 respectively, the axle of control of dust roller 5 is air-expanding shaft; Also comprise the second cylinder 8, second cylinder 8 being connected in left support, right support opposite side corresponding with the first cylinder 3 in embodiment 1 and be provided with mounting bracket 7, the second cylinder 8 relies on mounting bracket 7 and Copper Foil banding machine to carry out installations and locates, etc. combine.As long as under the prerequisite without prejudice to the utility model spirit, the various conversion that the utility model carries out all are dropped in protection domain of the present utility model.
Claims (7)
1. a copper foil surface cleaner, it is characterized in that comprising left support (1) and right support (2), described left support, right support are all fixed with the first cylinder (3), the dust-binding rubber roll (4) and control of dust roller (5) that are parallel to each other is provided with between described left support, right support, described dust-binding rubber roll is provided with encapsulate layer, described control of dust roller is provided with masking tape (6), and the two ends of dust-binding rubber roll (4) or control of dust roller (5) are connected with the first cylinder (3) on left support (1) and right support (2) or are connected with left support (1) and right support (2) respectively respectively.
2. a kind of copper foil surface cleaner according to claim 1, it is characterized in that the two ends of described dust-binding rubber roll (4) are connected with left support (1) and right support (2) respectively, the two ends of described control of dust roller are connected with the first cylinder (3) on left support (1) and right support (2) respectively.
3. a kind of copper foil surface cleaner according to claim 2, it is characterized in that it also comprises two mounting brackets (7) and is fixed on second cylinder (8) on each mounting bracket, the first described cylinder and the second cylinder comprise cylinder body, cylinder block (9), guide rod (10), piston rod (11), fixed head (12) and fast plug in gas-tpe fitting (13), each cylinder body is all fixed on cylinder block (9), each guide rod and each piston rod line parallel, each guide rod (10) is connected with the piston of each cylinder body with piston rod (11), cylinder body is all stretched out in the end of each guide rod (10) and piston rod (11), each guide rod and piston rod are all fixedly connected with fixed head (12), each fast gas-tpe fitting (13) of inserting all is communicated with cylinder body, the cylinder block of the cylinder block of two the first cylinders and two the second cylinders is fixed on the both sides of left support (1) and the both sides of right support (2) respectively, described left support and right support are connected with the fixed head (12) of two the second cylinders (8) respectively, the two ends of described control of dust roller (5) are connected with the fixed head (12) of the first cylinder (3) on left support and right support respectively.
4. a kind of copper foil surface cleaner according to claim 3, it is characterized in that the guide rod (10) on described first cylinder (3) and the second cylinder (8) has two, the two sides of cylinder block (9) are stretched out at the guide rod (10) of described second cylinder and the two ends of piston rod (11), the fixed head (12) of the second cylinder has two, be connected in respectively on the end of the guide rod (10) of every side and piston rod (11).
5. a kind of copper foil surface cleaner according to any one of claim 1 to 4, it is characterized in that described dust-binding rubber roll (4) and control of dust roller (5) comprise axle and be movably connected in the bearing block (14) at axle two ends, the bearing block at described dust-binding rubber roll two ends is connected with left support (1) and right support (2) respectively, the bearing block at described control of dust roller two ends is connected with the first cylinder (3) on left support (1) and right support (2) respectively, the axle of described control of dust roller (5) is air-expanding shaft, described masking tape (6) is wound on a paper roll, described paper roll is positioned on air-expanding shaft.
6. a kind of copper foil surface cleaner according to claim 5, is characterized in that the encapsulate layer on described dust-binding rubber roll (4) is polyethylene encapsulate layer, is fixed with crossbeam (15) between described left support (1) and right support (2).
7. a kind of copper foil surface cleaner according to claim 6, it is characterized in that it also comprises the shovel gummed paper blade be movably connected on the crossbeam (15) of control of dust roller (5), the cutting edge of described shovel gummed paper blade is towards masking tape (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420714161.2U CN204247562U (en) | 2014-11-25 | 2014-11-25 | A kind of copper foil surface cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420714161.2U CN204247562U (en) | 2014-11-25 | 2014-11-25 | A kind of copper foil surface cleaner |
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| Publication Number | Publication Date |
|---|---|
| CN204247562U true CN204247562U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420714161.2U Active CN204247562U (en) | 2014-11-25 | 2014-11-25 | A kind of copper foil surface cleaner |
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| Country | Link |
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| CN (1) | CN204247562U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321743A (en) * | 2017-08-23 | 2017-11-07 | 保定嘉盛光电科技股份有限公司 | Photovoltaic module production window wiping systems |
| CN111844540A (en) * | 2020-07-30 | 2020-10-30 | 邱甜甜 | Rubber product recycling treatment system and recycling treatment process |
-
2014
- 2014-11-25 CN CN201420714161.2U patent/CN204247562U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107321743A (en) * | 2017-08-23 | 2017-11-07 | 保定嘉盛光电科技股份有限公司 | Photovoltaic module production window wiping systems |
| CN111844540A (en) * | 2020-07-30 | 2020-10-30 | 邱甜甜 | Rubber product recycling treatment system and recycling treatment process |
| CN111844540B (en) * | 2020-07-30 | 2021-04-13 | 湖南铭弘体育产业股份有限公司 | Rubber product recycling treatment system and recycling treatment process |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170126 Address after: The economic and Technological Development Zone Four Road West 244000 Anhui city of Tongling province No. 3699 Patentee after: TONGLING HUACHUANG NEW MATERIAL Co.,Ltd. Address before: The economic and Technological Development Zone four road 244000 Anhui city of Tongling Province Patentee before: WARNER INTERNATIONAL (TONGLING) ELECTRONIC MATERIAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 244000 No. 3699, west section of Cuihu 4th Road, Tongling Economic and Technological Development Zone, Anhui Province Patentee after: Anhui Huachuang New Material Co.,Ltd. Address before: 244000 No. 3699, west section of Cuihu 4th Road, Tongling Economic and Technological Development Zone, Anhui Province Patentee before: TONGLING HUACHUANG NEW MATERIAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangxi Huachuang New Material Copper Foil Co.,Ltd. Assignor: Anhui Huachuang New Material Co.,Ltd. Contract record no.: X2023980038902 Denomination of utility model: A copper foil surface cleaning machine Granted publication date: 20150408 License type: Common License Record date: 20230804 Assignee: Guangxi Shidai Chuanneng New Material Technology Co.,Ltd. Assignor: Anhui Huachuang New Material Co.,Ltd. Contract record no.: X2023980038903 Denomination of utility model: A copper foil surface cleaning machine Granted publication date: 20150408 License type: Common License Record date: 20230804 |
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| EE01 | Entry into force of recordation of patent licensing contract |