CN103272743A - Battery electrode coating device - Google Patents
Battery electrode coating device Download PDFInfo
- Publication number
- CN103272743A CN103272743A CN2013102315139A CN201310231513A CN103272743A CN 103272743 A CN103272743 A CN 103272743A CN 2013102315139 A CN2013102315139 A CN 2013102315139A CN 201310231513 A CN201310231513 A CN 201310231513A CN 103272743 A CN103272743 A CN 103272743A
- Authority
- CN
- China
- Prior art keywords
- coating
- conveyer belt
- pole piece
- battery pole
- rinse bath
- 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.)
- Granted
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 36
- 239000011248 coating agent Substances 0.000 title claims abstract description 34
- 238000001035 drying Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract 2
- 125000006850 spacer group Chemical group 0.000 abstract 2
- 238000007790 scraping Methods 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 15
- 239000012459 cleaning agent Substances 0.000 description 8
- 206010019133 Hangover Diseases 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a battery electrode coating device which comprises a coating roll, a backup roll, a conveyor belt group, a driver, and a plurality of driven shafts provided with driven wheels, wherein the driver is equipped with a main driving shaft sleeved with a driving wheel; the conveyor belt group is mounted on the driving wheel and the driven wheels in a sleeving manner and passes through the coating roll and the backup roll to form a closed circulation loop; at least one spacer isolation belt is fixedly mounted between the conveyor belt group which comprises two conveyor belts parallelly arranged at an interval; the spacer isolation belt spans and is mounted on the two conveyor belts in a direction perpendicular to the two conveyor belts; and each conveyor belts is mounted on the corresponding driven wheels and the driving wheel in a sleeving manner. The battery electrode coating device is wide in application range and can be applied to various types of coating equipment, automatic spacing is achieved, scraping is not needed, the efficiency is high, the coating thickness is uniform, and phenomena such as trailing and the like can be avoided.
Description
Technical field
The present invention relates to a kind of processing method of battery, specifically the pole piece apparatus for coating of batteries such as a kind of lithium ion battery and Ni-MH battery.
Background technology
At battery industry, lithium battery because have energy density height, voltage height, advantage such as operating temperature range is wide, the life-span is long, received increasing concern.Even to this day, lithium battery once having occupied leading position in (not chargeable) and secondary (rechargeable) Battery Market, is widely used in the electronic equipments such as mobile phone, panel computer, digital camera and notebook computer.
Battery pole piece is the important component part of lithium battery, is the core of lithium battery.At present, battery pole piece is that powder is starched, is coated with, rolls and is sheared in the master operation of production process, and wherein, coating is one very crucial in numerous operations.In order to connect lug smoothly, need in coating process, form a blank parts, namely form one section blank tape at collector (aluminium foil or Copper Foil etc.).It is following several to stay white mode to have at present: 1 scraper stays white, and 2 are coated with and roll the back of the body and roll to separate and stay whitely, and 3. extruding is stayed white, these are several to stay white mode that following shortcoming is arranged: 1. serious conditions of streaking is arranged, 2. stay white distance oversize at interval, waste material, 3. blank space is in uneven thickness, influences the battery product quality.The apparatus for coating of existing a lot of coating machines mainly comprises being coated with roller 1, back flow roll 2 and scraper 3 as shown in Figure 1.Be coated with roller 1 and be provided with slurry 4, back flow roll 2 drives collectors 5 and rotates, owing to be coated with roller 1 and back flow roll 2 is close, slurry 4 is coated in the surface of collector 5 in being coated with roller 1 and process that back flow roll 2 rolls mutually, and the slurry 4 that 3 maintenances of scraper are coated with on the roller 1 has certain thickness.When the length of the slurry 4 on the collector 5 reaches preset length, the collector 5 that is coated with on roller 1 and the back flow roll 2 is separated, thereby forms blank tape 6, after the length of blank tape 6 reaches preset length, be coated with roller 1 and contact again with collector 5 on the back flow roll 2, thereby make the pole piece of reserving blank tape 6.
Utilize blank tape 6 sharpness of border of the battery pole piece of aforesaid way manufacturing processing.But, in coating process, the rotating speed that is coated with roller 1 and back flow roll 2 is constant, applies slurry 4 again, reserves in two processes of blank tape 6, the rotating speed that is coated with roller 1 and back flow roll 2 is unconverted, therefore, the collector 5 that is coated with on roller 1 and the back flow roll 2 rigidly connects tactile moment, and its relative velocity is bigger, can cause " hangover " phenomenon at pole piece, the slurry that is blank tape 6 initial coating slurry places on the pole piece is thicker, forms projection, as A place in the accompanying drawing 2 " hangover " phenomenon has taken place namely.The pole piece that has hangover is using roll pole piece to be carried out in the process of compacting, and hangover place is stressed bigger, often falls material.In addition, in the process of pole piece stack or coiling, its hangover place is as easy as rolling off a log to be fallen to expect.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of apparatus for coating of battery pole piece, can be applied on the coating apparatus of type, stays whitely automatically continuously, and thickness is even, avoids producing conditions of streaking, need not scraper, and the efficient height.
In order to solve the problems of the technologies described above, the present invention takes following technical scheme:
A kind of apparatus for coating of battery pole piece, comprise and be coated with roller and back flow roll, described device also comprises the driven shaft of conveyer belt group, driver and several band driven pulleys, the driver attaching has final drive shaft, be set with driving wheel on the final drive shaft, the conveyer belt group is sleeved on driving wheel and the driven pulley and forms the closed loop from being coated with to pass between roller and the back flow roll, be installed with in the conveyer belt group stay white every band.
Described conveyer belt group comprises two conveyer belts that spaced and parallel arranges, stay white every band along with two conveyer belt vertical direction across being installed on two conveyer belts, every conveyer belt all is sleeved on corresponding driven pulley and the driving wheel.
Described conveyer belt is chain, and driven pulley and driving wheel are the gear that is complementary with chain.Perhaps conveyer belt is belt.
Described driver is servomotor, stepper motor or cylinder.
Also be provided with on the closed loop that described conveyer belt forms the part conveyer belt is contained in interior rinse bath.Liquid input tube and liquid recovery tube with the rinse bath internal communication are fixedly arranged on the rinse bath sidewall.Be provided with the pipe-line of connecting with liquid input tube in the rinse bath, this pipe-line is provided with the cleaning shower nozzle.
Also be equipped with on the described rinse bath staying white drying mechanism of drying every band.
Described drying mechanism comprises gas transmission pipeline and jet pipe, and this jet pipe is communicated with gas transmission pipeline.
Loam cake also is installed on the described rinse bath, can prevents that foreign material from entering in the rinse bath.
The present invention can be widely used on all types of coating apparatus, the conveyer belt band stay white every band motion, make stay white every the band move through from being coated with between roller and the back flow roll, can in some time periods, shelter from collector (aluminium foil or Copper Foil etc.), thereby form blank tape, can continuously turn round, and at interval evenly, make coating thickness even, can not produce conditions of streaking, improved operating efficiency and product quality greatly.
Description of drawings
Accompanying drawing 1 is the prior art cross-sectional view;
The battery pole piece of accompanying drawing 2 for making according to prior art shown in Figure 1;
Accompanying drawing 3 is perspective view of the present invention.
The specific embodiment
For the ease of those skilled in the art's understanding, the invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 3, the present invention has disclosed a kind of apparatus for coating of battery pole piece, comprise and be coated with roller 6 and back flow roll 5, described apparatus for coating also comprises the driven shaft 2 of conveyer belt group 1, driver 9 and several band driven pulleys 3, driver 9 attachings have final drive shaft 8, be set with driving wheel 7 on the final drive shaft 8, conveyer belt group 1 is sleeved on driving wheel 7 and the driven pulley 3 and from being coated with to pass between roller 6 and the back flow roll 5 and forms the closed loop, be installed with in the conveyer belt group 1 and stay whitely every being with 4, this stays white every being with 4 to install one at least.As a plurality of stay white every being with 4 o'clock, each stay white between being with 4 even or unevenly spaced being installed on the conveyer belt group, stay white every setting according to actual needs with 4 concrete quantity.Conveyer belt group 1 comprises two conveyer belts 101 that spaced and parallel arranges, stay white every be with 4 along with two conveyer belt 101 vertical direction across being installed on two conveyer belts, stay namely that white an end is mounted in it on the conveyer belt every being with, the other end is contained on the other conveyer belt.In the present embodiment, every conveyer belt all is sleeved on corresponding driven pulley 3 and the driving wheel 7, driving wheel 7 on the final drive shaft 8 has two, be contained in the two ends of final drive shaft 8 respectively, also be separately installed with two driven pulleys 3 on each driven shaft 2, be contained in the two ends of driven shaft 2, each driven shaft 2 and final drive shaft 8 are arranged in an irregular rectangle, conveyer belt 101 is sleeved on driving wheel 7 and the driven pulley 3, conveyer belt just forms the closed loop of an irregular polygon like this, stays white every being with 4 to pass from being coated with between roller 6 and the back flow roll 5.Has certain spacing distance between two conveyer belts 101, this distance is greater than or equal to the axial length of back flow roll usually, make the white length every band of staying that is contained between two conveyer belts can be equal to, or greater than the axial length of back flow roll, can make and make corresponding blank tape part on the collector.Certainly, conveyer belt is not can only be the irregular polygon that discloses that forms in the present embodiment, can also set flexibly according to concrete working environment space for other rule or irregularly shaped.
In addition, conveyer belt group 1 is not can only be to comprise two conveyer belts, also can be four, driven pulley on the driven shaft of correspondence also has four at this moment, and the driving wheel on the final drive shaft also has four, and all is respectively to adorn two at two ends, conveyer belt is sleeved on driven pulley and the driving wheel accordingly then, namely this moment, one side just had two conveyer belts, still had certain spacing distance between the conveyer belt of dual-side, be used for installing stay white every band.Conveyer belt to other quantity does not repeat them here.
In addition, described conveyer belt 101 is chain, and driven pulley 3 and driving wheel 7 are the gear that is complementary with chain, and chain is meshed with gear.Perhaps conveyer belt is common belt, the perhaps synchronous band that can be used for carrying of other materials, and this moment, driven pulley and driving wheel get final product for the wheel that is complementary with belt, took turns as the motor that is used with synchronous belt of routine.Driver is servomotor, stepper motor or cylinder, perhaps synchronous motor, and perhaps asynchronous machine, the perhaps motor of other types, perhaps other can drive final drive shaft and do the driver that 360 degree rotations are rotated, and do not enumerate one by one at this.
In addition, on the closed loop that conveyer belt 101 forms, also be provided with rinse bath 10 in the part conveyer belt is contained in.Cleaning agent can be filled in these rinse bath 10 inner spaces, and this cleaning agent can be clear water, and perhaps other cleaning agents commonly used are used for whitely cleaning every band staying.Liquid input tube 15 and liquid recovery tube 16 with rinse bath 10 internal communication are fixedly arranged on rinse bath 10 sidewalls, liquid input tube 15 extends to the cleaning agent in the external world and is communicated with, cleaning agent is entered in the rinse bath 10 by liquid input tube 15, make the cleaning agents in the rinse bath 10 can flood and stay whitely every being with 4, stay white slurry on 4 thereby dispose.Liquid recovery tube 16 is communicated with the waste water collection box that extends with extraneous, can handle recycling to this part waste water, saves resource.
Certainly, may not be certain just can only fill cleaning agent in the rinse bath 10 comes staying white every being with 4 to clean.Can also ultrasonic wave generating source be set in rinse bath, utilize ultrasonic wave whitely to clean every band staying, perhaps the ultrasonic wave that ultrasonic wave generating source is sent is introduced in rinse baths by some pipelines.Perhaps utilize magnetic resonance whitely to clean every band staying, magnetic resonance namely is set in rinse bath the source takes place.Not perhaps other any can not enumerating one by one at this staying the white cleaning way that cleans every band.
For can to stay white every with 4 clean more thorough, be provided with the pipe-line (not shown) of connecting with liquid input tube 15 in the rinse bath 10, this pipe-line is provided with the cleaning shower nozzle, this cleaning shower nozzle can be several hole for water sprayings of directly offering at the pipe-line sidewall, perhaps earlier offer a plurality of through holes at the pipe-line sidewall, at the shower nozzle of through hole installation such as spraying head type, perhaps the known shower nozzle of other routines describes in detail no longer one by one at this then.By cleaning shower nozzle cleaning agent is sprayed out, can to stay white every with on slurry or other dirts clean more completely.
In addition, also be installed with drying mechanism on rinse bath 10, this drying mechanism is whitely dried every band staying, and its surface is kept dry.This drying mechanism comprises gas transmission pipeline 14 and jet pipe 12, and this jet pipe 12 is communicated with gas transmission pipeline 14.Imported Compressed Gas in the gas transmission pipeline in the past, and can offer a plurality of through holes at the jet pipe sidewall, gas is spouting in this through hole.Some outlet nozzles perhaps are installed on through hole again, big as import, go out young taper air nozzle, make out wind-force bigger, thus both can further purge stay white every with on residual slurry or other dirts, can also play the white effect every band of staying that dries up.Certainly, drying mechanism can also heat energy oven dry, by at the fixing heat-generating pipe of rinse bath sidewall, utilize the temperature around the heat-generating pipe higher, thus white every the effect that takes up oven dry to staying.Can also heat-conducting plate be set around heat-generating pipe, improve the uniformity that heat transmits.Drying mechanism also can also directly be sent to hot blast near the rinse bath for the air-heater in the external world.Perhaps other can produce the drying mechanism that heat is dried, and do not enumerate one by one at this.Certainly, drying mechanism also can be installed separately, by designing a support bar, drying mechanism is contained on this support bar then.
In addition, loam cake 11 is installed also on rinse bath 10, can prevents that foreign material from entering in the rinse bath.In rinse bath, a plurality of driven shafts can also be set, further firm conveyer belt.
In with conveyer belt and driven pulley and the concrete installation of driving wheel, part driven pulley and driving wheel are positioned at a side of conveyer belt, and the part driven pulley is positioned at another opposite flank of conveyer belt.When being applied in apparatus for coating on the coating apparatus, each driven shaft and driving shaft are fixed on the coating apparatus accordingly, and rinse bath also fixedly mounts or is placed on the relevant position, and this mounting means is conventional assembling mode, for general knowledge known in those skilled in the art, give unnecessary details no longer in detail at this.
The apparatus for coating that the present invention discloses can be applied on all types of coating apparatus.Be coated with and have slurry on the roller, collector (aluminium foil or Copper Foil etc.) is driven by back flow roll, is coated with the lasting rotation of roller and back flow roll, makes slurry be coated in collection liquid surface.Drive operation drives final drive shaft and rotates, and driving wheel rotates with final drive shaft, thereby makes conveyer belt, and staying on the conveyer belt is white every the band movement therewith.One Gen Liubai just is installed every band every a segment distance on the conveyer belt, therefore, just have at regular intervals one stay white every the band pass from being coated with between roller and the back flow roll, just block the surface of collector when passing, stayed this subregion of the white collector that shelters from every band then can't be covered by slurry, slurry is coated in and stays the field on being with, thereby has made a white space at collector.Continuous firing along with driver, be coated with white the passing every band of staying of slurry and be coated with roller and back flow roll and continue motion, and move in the rinse bath, this stays and whitely is cleaned in rinse bath every band, thereby stay white slurry every belt surface to remove this, make stay white clean every belt surface.Stay then and whitely dried by drying mechanism again every band, make and stay the white drying that keeps the surface every band.Along with the continuous motion of conveyer belt, this will stay white will entering again again every band to be coated with between roller and the back flow roll, through this circulation then.
Staying of installing on the conveyer belt is white every the quantity of being with, and adjacent stay white every the band between distance, can set flexibly according to the needs of the collector of reality, product demand according to the client, and adjust the rotating speed of driver, make to stay whitely to enter at regular intervals and be coated with between roller and the back flow roll every band, realize the making of the blank tape of collector, namely white to staying of collector.
Need to prove that the above is not to be restriction to technical solution of the present invention, under the prerequisite that does not break away from creation design of the present invention, any apparent replacement is all within protection scope of the present invention.
Claims (10)
1. the apparatus for coating of a battery pole piece, comprise and be coated with roller (6) and back flow roll (5), it is characterized in that, described device also comprises the driven shaft (2) of conveyer belt group (1), driver (9) and several band driven pulleys (3), the driver attaching has final drive shaft (8), be set with driving wheel (7) on the final drive shaft, the conveyer belt group is sleeved on driving wheel and the driven pulley and forms the closed loop from being coated with to pass between roller and the back flow roll, be installed with in the conveyer belt group stay white every band (4).
2. the apparatus for coating of battery pole piece according to claim 1, it is characterized in that, described conveyer belt group comprises two conveyer belts (101) that spaced and parallel arranges, stay white every the band along with two conveyer belt vertical direction across being installed on two conveyer belts, every conveyer belt all is sleeved on corresponding driven pulley and the driving wheel.
3. the apparatus for coating of battery pole piece according to claim 2 is characterized in that, described conveyer belt is chain, and driven pulley and driving wheel are the gear that is complementary with chain.
4. the apparatus for coating of battery pole piece according to claim 2 is characterized in that, described conveyer belt is belt.
5. according to the apparatus for coating of each described battery pole piece in the claim 1～4, it is characterized in that described driver is servomotor, stepper motor or cylinder.
6. according to the apparatus for coating of each described battery pole piece in the claim 2～4, it is characterized in that, also be provided with on the closed loop that described conveyer belt forms the part conveyer belt is contained in interior rinse bath (10).
7. the apparatus for coating of battery pole piece according to claim 6, it is characterized in that, liquid input tube (15) and liquid recovery tube (16) with the rinse bath internal communication are fixedly arranged on the described rinse bath sidewall, be provided with the pipe-line of connecting with liquid input tube in the described rinse bath, this pipe-line is provided with the cleaning shower nozzle.
8. the apparatus for coating of battery pole piece according to claim 7 is characterized in that, also is equipped with on the described rinse bath staying white drying mechanism of drying every band.
9. the apparatus for coating of battery pole piece according to claim 8 is characterized in that, described drying mechanism comprises gas transmission pipeline (14) and jet pipe (12), and this jet pipe is communicated with gas transmission pipeline.
10. the apparatus for coating of battery pole piece according to claim 9 is characterized in that, loam cake (11) also is installed on the described rinse bath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310231513.9A CN103272743B (en) | 2013-06-09 | 2013-06-09 | A kind of apparatus for coating of battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310231513.9A CN103272743B (en) | 2013-06-09 | 2013-06-09 | A kind of apparatus for coating of battery pole piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103272743A true CN103272743A (en) | 2013-09-04 |
| CN103272743B CN103272743B (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310231513.9A Active CN103272743B (en) | 2013-06-09 | 2013-06-09 | A kind of apparatus for coating of battery pole piece |
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| Country | Link |
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| CN (1) | CN103272743B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797921A (en) * | 2016-04-27 | 2016-07-27 | 浙江谷神能源科技股份有限公司 | Scraping device of coating machine for lithium ion battery and application method of scraping device |
| CN108906475A (en) * | 2018-07-25 | 2018-11-30 | 江苏华富储能新技术股份有限公司 | A kind of lithium battery processing coating drying unit |
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| CN203265001U (en) * | 2013-06-09 | 2013-11-06 | 邱会生 | Coating device of battery pole piece |
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| JP2005144414A (en) * | 2003-11-20 | 2005-06-09 | Toppan Printing Co Ltd | Coating device |
| EP1887641A1 (en) * | 2005-05-09 | 2008-02-13 | Matsushita Electric Industrial Co., Ltd. | Method and device for applying electrode mix paste |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797921A (en) * | 2016-04-27 | 2016-07-27 | 浙江谷神能源科技股份有限公司 | Scraping device of coating machine for lithium ion battery and application method of scraping device |
| CN108906475A (en) * | 2018-07-25 | 2018-11-30 | 江苏华富储能新技术股份有限公司 | A kind of lithium battery processing coating drying unit |
| CN108906475B (en) * | 2018-07-25 | 2024-04-09 | 江苏华富储能新技术股份有限公司 | Coating drying device for lithium battery processing |
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| Publication number | Publication date |
|---|---|
| CN103272743B (en) | 2015-10-28 |
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Effective date of registration: 20151201 Address after: 523000 Dongguan City, Humen province longan community road, No. ten, No. 45 (Fashion Park, building 1, building 3, floor) Patentee after: The Dongguan City advantage reaches mechanical Science and Technology Ltd. Address before: 19 3C room, tree Tamura Toyoyasuhirota garden, Humen Town, Dongguan, Guangdong 523000, China Patentee before: Qiu Huisheng |
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Effective date of registration: 20170123 Address after: 410000 Liuyang economic and Technological Development Zone, Hunan, Polytron Technologies Inc office building, blue, Room 401 Patentee after: Intelligent robot (Changsha) Co., Ltd. Address before: 523000 Dongguan City, Humen province longan community road, No. ten, No. 45 (Fashion Park, building 1, building 3, floor) Patentee before: The Dongguan City advantage reaches mechanical Science and Technology Ltd. |