CN201807697U - Gasket material feeding device of lithium ion battery cover plate automatic riveting machine - Google Patents
Gasket material feeding device of lithium ion battery cover plate automatic riveting machine Download PDFInfo
- Publication number
- CN201807697U CN201807697U CN2010205154944U CN201020515494U CN201807697U CN 201807697 U CN201807697 U CN 201807697U CN 2010205154944 U CN2010205154944 U CN 2010205154944U CN 201020515494 U CN201020515494 U CN 201020515494U CN 201807697 U CN201807697 U CN 201807697U
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- Prior art keywords
- pad
- battery cover
- riveting machine
- rotating mechanism
- lithium ion
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- Expired - Lifetime
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a gasket material feeding device of a lithium ion battery cover plate automatic riveting machine, which comprises a revolving work platform of the battery cover plate automatic riveting machine and a circular vibrating disk arranged at a material inlet end, wherein a material feeding mechanism consists of a gasket jacking mechanism, a gasket clamping rotating mechanism, a positioning mechanism and a leveling mechanism which are arranged on a revolving work platform installing and clamping station on a platform frame. Through the gasket jacking mechanism, the gasket clamping rotating mechanism, the positioning mechanism and the leveling mechanism which are arranged on the revolving work platform installing and clamping station on the platform frame of the battery cover plate automatic riveting machine, the lithium ion battery cover plate automatic riveting machine realizes the automatic material feeding of gaskets of a lithium ion battery cover plate before riveting and the precise installing and clamping positioning technical process, changes the complicated work manually completed in the prior art, avoids the occurrence of human injury, saves a large amount of labor, provides convenient conditions for the implementation of a next riveting work procedure, greatly improves the yield at the same time, greatly reduces the manufacture cost and also ensures the product quality favorably.
Description
Technical field
The utility model belongs to technical field of lithium-ion battery, relates to a kind of lithium battery cover plate automatic riveting machine structure, is specifically related to a kind of lithium ion battery cover board automatic riveting machine pad pay-off.
Background technology
The lithium ion battery of all lithium battery industries all has positive and negative polarities at present, and lithium ion battery cover board is anodal, and the one side that small boss is arranged on the lithium ion battery cover board is a negative pole, and negative pole need be in pad of small boss back side riveted joint and wire bonds.The common way of existing industry is will be divided into for three steps in the operation of battery cover board riveted joint pad to carry out, promptly load onto rivet at the battery cover board matrix by hand, load onto the pad that needs riveted joint more from the negative, subsequently again by pressing equipment with battery cover board and pad riveted and fixed, because being installed, rivet ﹠ washer all adopts manual operations, manpower and materials have been wasted greatly, consume many times, when loading pad by hand, also can be owing to the operation pressing equipment time is long, the operator produces overtired and potential safety hazard that cause; Simultaneously, because manual operations, the quality of product also is difficult to be guaranteed.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, and is easy to install, is suitable for lithium ion battery cover board automatic riveting machine pad pay-off, and it has solved the problems referred to above that prior art exists.
The technical scheme that the utility model adopted is, a kind of lithium ion battery cover board automatic riveting machine pad pay-off, comprise the rotary table of battery cover board automatic riveting machine and the circular vibrating disk of feed end, described feeding switching mechanism is made up of the pad lifting body that is installed on rotary table clamping station on the stand, pad clamping rotating mechanism, detent mechanism and flattening mechanism;
Described pad lifting body, be arranged at circular vibrating disk feeding delivery outlet, form by the mobile cylinder, guide pad, the pad restricted driving piece that are installed in successively on the fixed mount, in the pad delivery chute port of pad restricted driving piece jacking block by mobile air cylinder driven is installed, the pad delivery chute of pad restricted driving piece is connected to circular vibrating disk feeding delivery outlet;
Described pad clamping rotating mechanism is arranged at pad lifting body side, form by two lower drawing blocks that the drive motors of installing successively from bottom to top, main revolving sleeve, main rovolving shaft, locator card geosynclinal block and symmetry are installed on the main rovolving shaft, on the described lower drawing block master slider is housed, master slider is provided with two groups of pad clampers by the control of clamping cylinder;
Described detent mechanism is arranged at pad clamping rotating mechanism one side, and detent mechanism is provided with a holder, and the slide block that is driven by positioning cylinder is housed in the chute on holder top, and a locating wheel is installed in the end of slide block;
Described flattening mechanism is arranged at the both sides of pad clamping rotating mechanism, wherein first of the side leveling holder is installed in the top of detent mechanism holder, the second leveling holder is installed in the position of the stand Upper gasket clamping rotating mechanism opposite side and the first leveling holder symmetry, fan-shaped leveling piece is housed respectively on two leveling holders, on fan-shaped leveling piece, is provided with a leveling plane and two rollers that are used to adjust the pad location are housed.
Lithium ion battery cover board automatic riveting machine pad pay-off described in the utility model, its feature also be,
The locator card geosynclinal block outer rim of described pad clamping rotating mechanism is arranged with the location arc gap.
Cylinder on the holder that described pad clamping rotating mechanism master revolving sleeve one side is provided with connects a following pull head.
The locating wheel that install the slide block end that described detent mechanism holder top chute drives and the arc gap of pad clamping rotating mechanism locator card geosynclinal block match.
The utility model lithium ion battery cover board automatic riveting machine pad pay-off, change the pad lifting body of workbench clamping station last time by being installed on Dian Chi cover plate automatic riveting machine frame, pad clamping rotating mechanism, detent mechanism and flattening mechanism, self-feeding and clamping positioning technology process accurately before the pad riveted joint of lithium ion battery cover board have been realized, changed the existing manual miscellaneous work of finishing that adopts, avoid the generation of personal injury, liberated great amount of manpower, be the following enforcement of the one staking process condition of providing convenience, output is increased substantially, manufacturing cost reduces greatly, and the quality of product has also obtained favourable assurance.
Description of drawings
Fig. 1 is the utility model lithium ion battery cover board automatic riveting machine pad feeder structure schematic diagram;
Fig. 2 a is the utility model pad lifting body structural representation;
Fig. 2 b is the utility model pad lifting body structure partial enlarged diagram
Fig. 3 a is the utility model pad clamping rotating mechanism structural representation;
Fig. 3 b is the utility model pad clamping rotating mechanism side structure schematic diagram;
Fig. 4 is the utility model detent mechanism and flattening mechanism structural representation.
Among the figure, 1. pad lifting body, 2. pad clamping rotating mechanism, 3. detent mechanism, 4. flattening mechanism, 5. panoramic table, 6. battery cover board, 7. pad, 10. gear, 11. fixed mount, 12. move cylinder, 13. guide pads, 14. pad restricted driving piece, 15. pad delivery chutes, 16. jacking blocks, 20. drop-down roller, 21. drive motors, 22. main revolving sleeves, 23. main rovolving shaft, 24. locator card geosynclinal blocks, 25. lower drawing blocks, 26. master slider, 27. clamping cylinders, 28. pad clampers, 29. following pull head, 30. location arc gaps, 31. holders, 32. chute, 33. positioning cylinders, 34. slide blocks, 35. locating wheel, 41. leveling holders, 42. second leveling holders, 43. fan-shaped leveling piece, 44. leveling planes, 45. rollers.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
A kind of lithium ion battery cover board automatic riveting machine pad pay-off, comprise the rotary table of battery cover board automatic riveting machine and the circular vibrating disk of feed end, as shown in Figure 1, described feeding switching mechanism is made up of the pad lifting body 1 that is installed on rotary table clamping station on the stand, pad clamping rotating mechanism 2, detent mechanism 3 and flattening mechanism 4;
Described pad lifting body 1 is arranged at circular vibrating disk feeding delivery outlet, shown in Fig. 2 a and Fig. 2 b, form by the mobile cylinder 12, guide pad 13, the pad restricted driving piece 14 that are installed in successively on the fixed mount 11, pad delivery chute 15 ports in pad restricted driving piece 14 are equipped with the jacking block 16 that is driven by mobile cylinder 12, and the pad delivery chute 15 of pad restricted driving piece 14 is connected to circular vibrating disk feeding delivery outlet;
Described pad clamping rotating mechanism 2 is arranged at lifting body 1 side, shown in Fig. 3 a and Fig. 3 b, form by two lower drawing blocks 25 that the drive motors of installing successively from bottom to top 21, main revolving sleeve 22, main rovolving shaft 23, locator card geosynclinal block 24 and symmetry are installed on the main rovolving shaft 23, on the described lower drawing block 25 master slider 26 is housed, master slider 26 is provided with two groups of pad clampers 28 by 27 controls of clamping cylinder;
Described detent mechanism 3 is arranged at a side (pad clamping rotating mechanism 2 is not shown in the figures) of pad clamping rotating mechanism 2, as shown in Figure 4, detent mechanism 3 is provided with a holder 31, the slide block 34 that is driven by positioning cylinder 33 is housed in the chute 32 on holder 31 tops, and a locating wheel 35 is installed in the end of slide block 34;
Described flattening mechanism 4 is arranged at the both sides (pad clamping rotating mechanism 2 is not shown in the figures) of pad clamping rotating mechanism 2, as shown in Figure 4, wherein first of the side leveling holder 41 is installed in the top of detent mechanism 3 holders 31, the second leveling holder 42 is installed in the position of stand Upper gasket clamping rotating mechanism 2 opposite sides and the first leveling holder, 41 symmetries, fan-shaped leveling piece 43 is housed respectively on two leveling holders, on fan-shaped leveling piece 43, is provided with a leveling plane 44 and two rollers 45 that are used to adjust the pad location are housed.
Locator card geosynclinal block 24 outer rims of described pad clamping rotating mechanism 2 are arranged with location arc gap 30, and the cylinder on the holder that described pad clamping rotating mechanism 2 main revolving sleeve 22 1 sides are provided with connects a following pull head 29.
The locating wheel 35 that install slide block 34 ends that described detent mechanism 3 holders 31 top chutes 32 drive matches with the arc gap 30 of pad clamping rotating mechanism 2 locator card geosynclinal blocks 24.
After the utility model lithium ion battery cover board automatic riveting machine starts running, battery cover board 6 is put into the assembling pad station of panoramic table by the oscillation feed gear on the battery cover board automatic riveting machine, circular vibrating disk on the automatic riveting machine frame is constantly delivered to pad 7 on the pad restricted driving piece 14 of rotary table clamping station battery cover board automatic riveting machine pad pay-off pad lifting body 1 according to the beat of automatic controls at this moment, place on the jacking block 16 through pad restricted driving piece 14 delivery chutes 15 ports, and eject pad 7 along the fast 13 driving jacking blocks 16 of guiding by cylinder 12; The lower drawing block 25 of master slider 26 is housed on pad clamping rotating mechanism 2 main rovolving shafts 23, connect moving downward of pull head 29 down by cylinder, pushing down 20 whiles of drop-down roller that are contained on the lower drawing block 25, pad clamper 28 on master slider 26 and the master slider 26 is being with together moving down, when pad clamper 28 is moved down into lifting body 1 jacking block 16 and ejects the position of pad 7, clamping cylinder 27 control pad clampers 28 pick up pad 7, descend pull head 29 under the cylinder control that connects, to reset then and move up, and move to the height on flattening mechanism 4 leveling planes 44 with the pad 7 of pad clamper 28 clampings on together; At this moment, drive motors 21 drives main rovolving shaft 23 rotations by one group of meshed gears 10, in the 23 rotating whiles of main rovolving shaft, main revolving sleeve 22, locator card geosynclinal block 24, lower drawing block 25, the master slider 26 installed on it, and the and then rotation together of the pad clamper 28 on the master slider 26; When pad 7 in pad clamper 28 clampings on the master slider 26 through flattening mechanism 4, the pad 7 of pad clamper 28 clampings is by leveling plane 44 and two rollers 45 of flattening mechanism 4 fan-shaped leveling pieces 43, in the contact that turns over stroke, adjust pad 7 location attitudes, with the level of guaranteeing pad 7 with apart from the exact position of main rovolving shaft 23; Turn over 180 degree, when the pad 7 of pad clamper 28 clampings is positioned at automatic riveting machine panoramic table riveted joint station battery cover board 6 tops, the slide block 34 that drives in the upper hopper chute 32 by the positioning cylinder on detent mechanism 3 holders 31 33 moves forward, the locating wheel of installing with slide block 34 ends 35 pushes the arc gap 30 that pad clamping rotating mechanism 2 locator card geosynclinal blocks 24 match, and realizes accurately location.And then the following pull head 29 that connects by pad clamping rotating mechanism 2 cylinders moves downward, when making the pad 7 of pad clamper 28 clampings be in accurate installation site, clamping cylinder 27 control pad clampers 28 open, pad 7 is placed on the battery cover board 6, make pre-punched hole on the pad 7 accurately entangle rivet on the battery cover board 6, pad 7 is laid back panoramic table 5 and is rotated a station and remove to carry out staking process.
After pad clamper 28 places pad 7, pad clamper 28 is moved upward to original height under the cylinder control of following pull head 29, at this moment, drive motors 21 drives main rovolving shaft 23 reverse rotations 180 by meshed gears 10 and spends to lifting body 1 jacking block 16 tops, and move forward by the slide block 34 on detent mechanism 3 holders 31, the locating wheel of installing with slide block 34 ends 35 pushes in the arc gap 30 that pad clamping rotating mechanism 2 locator card geosynclinal blocks 24 match, and accurately locatees once more.
Pad clamping rotating mechanism 2 moves downward by the following pull head 29 that cylinder connects once more, pad clamper 28 on master slider 26 and the master slider 26 together with moving down the pad 7 that jacking block 16 ejects on the de-clamping lifting body 1 pad restricted driving piece 14, is finished an actuation cycle.Shown in Fig. 3 b, because master slider 26 two ends all are provided with pad clamper 28, two groups of pad clampers 28 move just opposite when material folding and blowing, also be provided with a cover flattening mechanism 4 at pad clamping rotating mechanism 2 opposite sides, carry out the location attitude adjustment of holding shim 7, so just realized that two groups of pad clampers 28 replace material folding and blowing continuously, realize the feeding quick and precisely of lithium ion battery cover board pad automatic riveting machine, saved the time greatly, improve the qualification rate of operating efficiency and product, guaranteed the quality of lithium ion battery.
Above-mentioned embodiment is an example of the present utility model; not enforcement and the interest field that is used for limiting utility model; all equivalences of making according to the described content of the utility model patent protection scope change and modify, and all should be included in the utility model claim.
Claims (4)
1. lithium ion battery cover board automatic riveting machine pad pay-off, comprise the rotary table of battery cover board automatic riveting machine and the circular vibrating disk of feed end, it is characterized in that described feeding switching mechanism is by the pad lifting body (1) that is installed on rotary table clamping station on the stand, pad clamping rotating mechanism (2), detent mechanism (3) and flattening mechanism 4) form;
---described pad lifting body (1), be arranged at circular vibrating disk feeding delivery outlet, form by the mobile cylinder (12), guide pad (13), the pad restricted driving piece (14) that are installed in successively on the fixed mount (11), pad delivery chute (15) port in pad restricted driving piece (14) is equipped with the jacking block (16) that is driven by mobile cylinder (12), and the pad delivery chute (15) of pad restricted driving piece (14) is connected to circular vibrating disk feeding delivery outlet;
---described pad clamping rotating mechanism (2) is arranged at pad lifting body (1) side, form by two lower drawing blocks (25) that drive motors (21), main revolving sleeve (22), main rovolving shaft (23), locator card geosynclinal block (24) and the symmetry of installing successively from bottom to top are installed on the main rovolving shaft (23), master slider (26) is housed on the described lower drawing block (25), and master slider (26) is provided with two groups of pad clampers (28) by clamping cylinder (27) control;
---described detent mechanism (3) is arranged at pad clamping rotating mechanism (2) one sides, detent mechanism (3) is provided with a holder (31), the slide block (34) that is driven by positioning cylinder (33) is housed in the chute (32) on holder (31) top, and a locating wheel (35) is installed in the end of slide block (34);
---described flattening mechanism (4) is arranged at the both sides of pad clamping rotating mechanism (2), wherein first of the side leveling holder (41) is installed in the top of detent mechanism (3) holder (31), the second leveling holder (42) is installed in the position of stand Upper gasket clamping rotating mechanism (2) opposite side and first leveling holder (41) symmetry, fan-shaped leveling piece (42) is housed respectively on two leveling holders, on fan-shaped leveling piece (43), is provided with a leveling plane (44) and two rollers (45) that are used to adjust the pad location are housed.
2. lithium ion battery cover board automatic riveting machine pad pay-off according to claim 1 is characterized in that, locator card geosynclinal block (24) outer rim of described pad clamping rotating mechanism (2) is arranged with the location arc gap.
3. lithium ion battery cover board automatic riveting machine pad pay-off according to claim 1 is characterized in that, the cylinder on the holder that main revolving sleeve (22) one sides of described pad clamping rotating mechanism (2) are provided with connects a following pull head (29).
4. lithium ion battery cover board automatic riveting machine pad pay-off according to claim 1, it is characterized in that the locating wheel (35) that install slide block (34) end that described detent mechanism (3) holder (31) top chute (32) drives matches with the arc gap of pad clamping rotating mechanism (2) locator card geosynclinal block (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205154944U CN201807697U (en) | 2010-09-03 | 2010-09-03 | Gasket material feeding device of lithium ion battery cover plate automatic riveting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205154944U CN201807697U (en) | 2010-09-03 | 2010-09-03 | Gasket material feeding device of lithium ion battery cover plate automatic riveting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201807697U true CN201807697U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205154944U Expired - Lifetime CN201807697U (en) | 2010-09-03 | 2010-09-03 | Gasket material feeding device of lithium ion battery cover plate automatic riveting machine |
Country Status (1)
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| CN (1) | CN201807697U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331940A (en) * | 2013-06-28 | 2013-10-02 | 苏州菱欧自动化设备有限公司 | Output mechanism of battery hot press |
| CN103826774A (en) * | 2011-09-21 | 2014-05-28 | 纽弗雷公司 | Method and apparatus for feeding joining elements |
| CN105428559A (en) * | 2015-12-30 | 2016-03-23 | 泰兴市振兴电子有限公司 | Lithium battery pad feed device |
| CN105489922A (en) * | 2015-12-30 | 2016-04-13 | 泰兴市振兴电子有限公司 | Three-in-one lithium battery cap assembly device |
| CN110212231A (en) * | 2019-06-20 | 2019-09-06 | 苏州炬鸿通讯电脑科技有限公司 | A kind of battery cover board automatic assembling mechanism |
| CN116140535A (en) * | 2023-02-16 | 2023-05-23 | 安徽荣骏隆能源科技有限公司 | Riveting machine and riveting process in automatic assembly of power battery cover plate |
-
2010
- 2010-09-03 CN CN2010205154944U patent/CN201807697U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103826774A (en) * | 2011-09-21 | 2014-05-28 | 纽弗雷公司 | Method and apparatus for feeding joining elements |
| US9610632B2 (en) | 2011-09-21 | 2017-04-04 | Newfrey Llc | Method and apparatus for feeding joining elements |
| CN103331940A (en) * | 2013-06-28 | 2013-10-02 | 苏州菱欧自动化设备有限公司 | Output mechanism of battery hot press |
| CN105428559A (en) * | 2015-12-30 | 2016-03-23 | 泰兴市振兴电子有限公司 | Lithium battery pad feed device |
| CN105489922A (en) * | 2015-12-30 | 2016-04-13 | 泰兴市振兴电子有限公司 | Three-in-one lithium battery cap assembly device |
| CN110212231A (en) * | 2019-06-20 | 2019-09-06 | 苏州炬鸿通讯电脑科技有限公司 | A kind of battery cover board automatic assembling mechanism |
| CN110212231B (en) * | 2019-06-20 | 2024-04-02 | 苏州炬鸿通讯电脑科技有限公司 | Automatic assembly mechanism for battery cover plate |
| CN116140535A (en) * | 2023-02-16 | 2023-05-23 | 安徽荣骏隆能源科技有限公司 | Riveting machine and riveting process in automatic assembly of power battery cover plate |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GU HUIJUN Free format text: FORMER OWNER: ZHOU JUN Effective date: 20140530 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gu Huijun Inventor before: Zhou Jun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523709 DONGGUAN, GUANGDONG PROVINCE TO: 523000 DONGGUAN, GUANGDONG PROVINCE Free format text: CORRECT: INVENTOR; FROM: ZHOU JUN TO: GU HUIJUN |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140530 Address after: 523000 room 1801, building D, Mingzhu Plaza, Changan Town, Guangdong, Dongguan Patentee after: Gu Huijun Address before: 523709 Guangdong city of Dongguan province Changan Town South Road Sha Boye Industrial Park 4 building rich Xincheng Hardware Machinery Co. Patentee before: Zhou Jun |
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| ASS | Succession or assignment of patent right |
Owner name: HUNAN HUAHUI NEW ENERGY CO., LTD. Free format text: FORMER OWNER: GU HUIJUN Effective date: 20150401 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523000 DONGGUAN, GUANGDONG PROVINCE TO: 413000 YIYANG, HUNAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150401 Address after: 413000 Yiyang City, Hunan province Kim Soo-Roh Tongzi Heshan District No. 7 Lane dam Patentee after: Hunan Huahui New Energy Co., Ltd. Address before: 523000 room 1801, building D, Mingzhu Plaza, Changan Town, Guangdong, Dongguan Patentee before: Gu Huijun |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 413000 Yiyang City, Hunan province Kim Soo-Roh Tongzi Heshan District No. 7 Lane dam Patentee after: HUNAN HUAHUI NEW ENERGY CO., LTD. Address before: 413000 Yiyang City, Hunan province Kim Soo-Roh Tongzi Heshan District No. 7 Lane dam Patentee before: Hunan Huahui New Energy Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110427 |