CN209646879U - It is coated with gasket - Google Patents
It is coated with gasket Download PDFInfo
- Publication number
- CN209646879U CN209646879U CN201920121159.7U CN201920121159U CN209646879U CN 209646879 U CN209646879 U CN 209646879U CN 201920121159 U CN201920121159 U CN 201920121159U CN 209646879 U CN209646879 U CN 209646879U
- Authority
- CN
- China
- Prior art keywords
- support column
- slurry
- spoiler
- discharge mouth
- plate body
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model proposes a kind of coating gaskets, including shim body, support column and spoiler, shim body includes stock discharge mouth, support column is arranged in shim body, spoiler is arranged on the support column, and it is located at the central area of stock discharge mouth, there is interval between the edge of stock discharge mouth.When slurry sprays from stock discharge mouth, by spoiler, turbulent flow is generated, keeps the slurry sprayed more uniform, to improve the weight consistency coated in foil surface unit area spreading mass, guarantees the Capacity uniformity of finished product battery core.
Description
Technical field
The present invention relates to lithium ion battery coating applications, especially relate to a kind of coating gasket.
Background technique
With the deep development of lithium battery technology, demand is mass produced, the production capacity and surface density consistency of coating are proposed
Higher requirement, high-speed extrusion are coated with precisely in order to a kind of coating technique for agreeing with this direction and generating.Extrusion coated skill
Art is a kind of closed coating technique, and slurry can be made not influenced by room atmosphere moisture, dust etc., guarantees the quality of coating.
Extrusion coated device mainly includes storage tank, feeding system, return-flow system, coating die head, pressure detecting, coated mat
Piece part, wherein coating gasket guarantees one of most important device of coated face density consistency when production when being high-speed coating.It passes
The opening of system coating gasket is straightthrough port, and this opening mode requires high, this gasket to viscosity, the coating die head etc. of slurry
Slurry weight consistency on unit area coated in foil surface is poor, especially the direction TD (perpendicular to discharge port direction)
The laterally uniform property of surface density is poor, and common manifestation is intermediate weight, and both ends are light, cause battery core finished product battery core Capacity uniformity poor.It is this
Traditional coating pad window is limited, is not suitable for the certain pairs of demanding battery core models of coating.
Summary of the invention
The main object of the present invention is to provide a kind of coating gasket, improves and is coated in foil surface unit area spreading mass
Weight consistency guarantees the Capacity uniformity of finished product battery core.
The present invention proposes a kind of coating gasket, including shim body, support column and spoiler, and shim body includes that slurry goes out
Material mouth, support column are arranged in shim body, and spoiler is arranged on the support column, and are located at the central area of stock discharge mouth
There is interval between the edge of stock discharge mouth in place.
Further, shim body includes interconnecting piece, vertical portion and two bending parts, two bending parts respectively with interconnecting piece
Both ends be fixedly connected, the connection of the middle part of vertical portion and interconnecting piece is located between two bending parts；Between bending part and vertical portion
Constitute stock discharge mouth；When vertical portion has multiple, stock discharge mouth is constituted between two adjacent upright portions.
Further, spoiler has multiple, and setting is spaced between multiple spoilers, stock discharge mouth is separated into multiple streams
Road.
Further, the both ends of support column are connect with shim body respectively, the cylinder connection of spoiler and support column.
Further, the both ends of support column are connect with shim body and spoiler respectively.
Further, spoiler includes connecting column and plate body, and connecting column is separately connected plate body and support column.
Further, plate body includes round plate body, semicircle plate body, oval plate body, triangle plate body, rectangular panel body, ladder
One of shape plate body is a variety of.
Further, the crank degree of bending part and vertical portion at stock discharge mouth is 90 degree.
Further, ceramic slurry channel is both provided on bending part and vertical portion, ceramic slurry channel has ceramics
Stock discharge mouth, opening direction and the stock discharge mouth of ceramic slurry discharge port are consistent.
Further, the width range of support column includes 1~100mm.
Compared with prior art, the present invention beneficial effect is: the invention proposes a kind of coating gaskets, including gasket sheet
Body, support column and spoiler, shim body include stock discharge mouth, and support column is arranged in shim body, and spoiler setting exists
On support column, and it is located at the central area of stock discharge mouth, there is interval between the edge of stock discharge mouth.Slurry is from slurry
When expecting that discharge outlet sprays, by spoiler, turbulent flow is generated, keeps the slurry sprayed more uniform, to improve coated in foil
The weight consistency of material surface unit area spreading mass guarantees the Capacity uniformity of finished product battery core.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of present invention coating gasket first embodiment；
Fig. 2 is the structural schematic diagram of present invention coating gasket second embodiment；
Fig. 3 is the structural schematic diagram of present invention coating gasket 3rd embodiment；
Fig. 4 is the structural schematic diagram of present invention coating gasket fourth embodiment.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly, and the connection, which can be, to be directly connected to,
It can be and be indirectly connected with.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
Referring to Fig.1, the present invention proposes a kind of coating gasket, including shim body 1,2 and of support column in one embodiment
Spoiler 3, wherein shim body 1 includes stock discharge mouth 11, and support column 2 is arranged in shim body 1, and the setting of spoiler 3 exists
On support column 2, and be located at the central area of stock discharge mouth 11, and exist between the edge of stock discharge mouth 11 it is certain between
Every for slurry of different nature, according to the slurry weight difference among the foil spreading mass for being coated with out in operation and both ends
Spending dredges the slurry fluid for the central area for concentrating on stock discharge mouth 11 originally to both sides
It dissipates, reaches painting and be applied with weight intermediate weight and the consistent purpose of both ends weight.In some embodiments, support column 2 and shim body 1
It being fixedly connected, spoiler 3 is fixed at stock discharge mouth 11 by support column 2, when slurry sprays from stock discharge mouth 11, warp
Spoiler 3 is crossed, turbulent flow is generated, keeps the slurry sprayed more uniform, is coated in foil surface unit area spreading mass to improve
Weight consistency.In further embodiments, support column 2 is to be flexibly connected with shim body 1, has certain movable corner
Degree, is embodied in, when slurry sprays from stock discharge mouth 11, by spoiler 3, at this time impact of the spoiler 3 in slurry
Under can swing slightly, stir the flowing of slurry, make spray slurry it is more uniform, to improve coated in foil
The weight consistency of surface unit area spreading mass guarantees the Capacity uniformity of finished product battery core.
The invention proposes a kind of coating gaskets, including shim body 1, support column 2 and spoiler 3, shim body 1 to include
Stock discharge mouth 11, support column 2 are arranged in shim body 1, and spoiler 3 is arranged on support column 2, and are located at stock discharge mouth
There is interval between 11 central area, and the edge of stock discharge mouth 11.When slurry sprays from stock discharge mouth 11, warp
Spoiler 3 is crossed, turbulent flow is generated, keeps the slurry sprayed more uniform, to improve coated in foil surface unit area starching
The weight consistency of material guarantees the Capacity uniformity of finished product battery core.
Referring to Fig.1, shim body 11 includes interconnecting piece 13, vertical portion 15 and two bending parts 14, and two bending parts 14 divide
Be not fixedly connected with the both ends of interconnecting piece 13, bending part 14 can be set as according to concrete application arc-shaped bending shape or
The bending shape of rectangle does not limit its specific bending method.Vertical portion 15 is connect with the middle part of interconnecting piece 13, is located at two
Between bending part 14；A stock discharge mouth is constituted between bending part 14 and vertical portion 15；When vertical portion 15 has multiple, two
Stock discharge mouth is constituted between adjacent upright portion 15, i.e., multiple vertical portions 15 are spaced setting between two bending parts 14.For
Interconnecting piece 13 is also similarly, to be not intended to limit its concrete shape, allows vertical portion 15 and two bending parts 14 to distinguish as long as can play
The effect being attached, in some embodiments, setting interconnecting piece 13 are strip, can be preferably by 15 He of vertical portion
Two bending parts 14 are separately fixedly connected.
Referring to Fig. 2, in some embodiments, spoiler 3 has multiple, and multiple spoilers 3 are arranged at intervals on support column 2,
Stock discharge mouth 11 is separated into multiple runners.When slurry sprays from stock discharge mouth 11, by spoiler 3, originally more
The stream of slurry of concentration is stirred and is divided by multiple runners, generates turbulent flow, and keeps the slurry sprayed more uniform, to improve painting
The weight consistency of foil surface unit area spreading mass is overlayed on, guarantees the Capacity uniformity of finished product battery core.
Referring to Fig. 3, in some embodiments, the both ends of support column 2 are connect with shim body 1 respectively, spoiler 3 and support
The cylinder of column 2 connects.It is embodied in, the both ends of support column 2 are all connect with shim body 1, can preferably be risen to spoiler 3
To fixed function, and the length direction of support column 2 and 11 opening direction of stock discharge mouth are inconsistent, lie across in the runner of stream of slurry
On 2 cylinder of support column certain perturbation action can be also played to slurry, make spray slurry it is more uniform, to improve
Weight consistency coated in foil surface unit area spreading mass guarantees the Capacity uniformity of finished product battery core.
Referring to Fig. 2, in some embodiments, the both ends of support column 2 are connect with shim body 1 and spoiler 3 respectively, that is, are propped up
One end of dagger 2 is connect with shim body 1, and the other end is connect with spoiler 3.It is embodied in, shim body 1 includes cavity
12, slurry is sprayed from cavity 12, and then one end of support column 2 is connect with 12 bottom of cavity, the length direction and slurry of support column 2
Expect that 11 opening direction of discharge port is consistent, the other end of support column 2 is connect with spoiler 3, and slurry sprays from stock discharge mouth 11
When, by spoiler 3, turbulent flow is generated, keeps the slurry sprayed more uniform, to improve coated in foil surface unit area
The weight consistency of spreading mass guarantees the Capacity uniformity of finished product battery core.
Referring to Fig. 3, in some embodiments, spoiler 3 includes connecting column 31 and plate body 32, and connecting column 31 is separately connected plate
Body 32 and support column 2, play a supporting role to plate body 32.Plate body 32 is tabular, including round plate body, semicircle plate body, ellipse
One of plectane body, triangle plate body, rectangular panel body, trapezoidal plate body are a variety of.In some embodiments, in order to more preferable
Play the role of flow-disturbing to slurry, the contact area of plate body 32 and slurry should be appropriate larger, therefore connecting column 31 and plate body
32 plate face connection, the i.e. plate face of plate body 32 are respectively facing 12 bottom of stock discharge mouth 11 and cavity, and slurry is from stock discharge mouth
When spraying at 11, by the plate face of plate body 32, turbulent flow is generated due to shock, keeps the slurry sprayed more uniform, to improve
Weight consistency coated in foil surface unit area spreading mass guarantees the Capacity uniformity of finished product battery core.At other
In embodiment, plate body 32 is the screen construction with through hole, slurry when by plate body 32, a part of slurry because flow-disturbing and
It is evacuated beside plate body 32, another part slurry is then flowed through from the through hole of plate body 32, to prevent the presence because of plate body 32
So that the slurry of 11 center position of stock discharge mouth has been dispersed into both sides entirely, keep the slurry sprayed more uniform, to improve
Weight consistency coated in foil surface unit area spreading mass guarantees the Capacity uniformity of finished product battery core.
Referring to Fig. 4, original stock discharge mouth 11 is equipped with triangular chamfered, i.e. bending part 14 and vertical portion 15 goes out in slurry
Outermost chamfering is triangle at material mouth 11, and when being coated operation, slurry is fallen by the triangle of stock discharge mouth 11
Angular side diffusion, is difficult to control cover width of the slurry on foil.In some embodiments, setting bending part 14 and vertical
The angle of the outermost corner 16 at stock discharge mouth 11 of portion 15 is 90 degree, specifically, can be used including right angle step, tiltedly
One of slope right angle or diversified forms, when slurry sprays from stock discharge mouth 11, since the angle of exit corner 16 is
90 degree, i.e. stock discharge mouth 11 is a vertical straightthrough port, and slurry can only be vertical along the restriction direction of stock discharge mouth 11
It sprays forward, to will not spread to both sides, according to foil of different nature, different 11 sizes of stock discharge mouth need to be only set
, cover width of the slurry on foil is controlled well, guarantees the Capacity uniformity of end product battery core.
Referring to Fig.1, Fig. 2, Fig. 3 or Fig. 4, in some embodiments, the length of some foils are longer, single stock discharge mouth
11 concentrate discharging to be unfavorable for weight consistency in foil surface unit area spreading mass, thus stock discharge mouth 11 be provided with it is more
It is a, multi-section discharging function is carried out, keeps the slurry sprayed more uniform.In some embodiments, foil also needs to carry out ceramic slurry painting
It covers, shim body 1 is both provided with ceramic slurry channel 4 in the two sides of each stock discharge mouth 11, and ceramic slurry channel 4 has pottery
Porcelain stock discharge mouth 42 and ceramic feeding inlet 41, wherein the opening direction of ceramic slurry discharge port 42 and stock discharge mouth 11 are kept
Unanimously, guarantee weight consistency of the ceramic slurry on foil surface unit area.It sprays, opens from stock discharge mouth 11 in slurry
Begin coating when, ceramic slurry simultaneously by ceramic feeding inlet 41 enter ceramic slurry channel 4, then by ceramic slurry discharge port with
Slurry is coated on foil simultaneously.
Referring to Fig.1, Fig. 2, Fig. 3 or Fig. 4, since the volume in ceramic slurry channel 4 is smaller compared with cavity 12, in order to control
The ratio of ceramic slurry and slurry is appropriate, and the groove depth in ceramic slurry channel 4 should be kept suitably, in some embodiments, ceramic slurry
Expect that the diameter in channel 4 is more than or equal to the 30% of 1 thickness of shim body, larger-diameter ceramic slurry channel 4 can satisfy big stream
The ceramic slurry of amount exports, and the ceramic slurry that different flow is injected according to foil of different nature is achieved the purpose that convenient for user.
Referring to Fig.1, Fig. 2, Fig. 3 or Fig. 4 will affect slurry in stock discharge mouth 11 if the width of support column 2 is too big
Discharging speed and discharging coverage area, therefore its width should be slightly smaller, in some embodiments, the width of support column 2
Range includes 1~100mm, certain perturbation action can either be played to slurry, and will not influence slurry in stock discharge mouth 11
Discharging speed and discharging coverage area.In some embodiments, when the shape of support column 2 is circular cylinder, width range
Refer to the diameter range of support column 2；In further embodiments, when the shape of support column 2 is square cylinder, width range
Refer to widest position on 2 cylinder of support column.
The invention proposes a kind of coating gaskets, including shim body 1, support column 2 and spoiler 3, shim body 1 to include
Stock discharge mouth 11, support column 2 are arranged in shim body 1, and spoiler 3 is arranged on support column 2, and are located at stock discharge mouth
There is interval between 11 central area, and the edge of stock discharge mouth 11.When slurry sprays from stock discharge mouth 11, warp
Spoiler 3 is crossed, turbulent flow is generated, keeps the slurry sprayed more uniform, to improve coated in foil surface unit area starching
The weight consistency of material guarantees the Capacity uniformity of finished product battery core.Further, the chamfer angle of stock discharge mouth 11 is set as
90 degree, cover width of the pulp jets on foil is controlled, is further ensured that the Capacity uniformity of end product battery core.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of coating gasket, which is characterized in that including shim body, support column and spoiler, the shim body includes slurry
Expect that discharge port, the support column are arranged in the shim body, the spoiler is arranged on the support column, and is located at institute
There is interval between the central area for stating stock discharge mouth, and the edge of the stock discharge mouth.
2. coating gasket according to claim 1, which is characterized in that the shim body include interconnecting piece, vertical portion and
Two bending parts, two bending parts are fixedly connected with the both ends of the interconnecting piece respectively, the vertical portion and the connection
The middle part in portion connects, and is located between two bending parts；The slurry is constituted between the bending part and the vertical portion to go out
Material mouth；When the vertical portion has multiple, the stock discharge mouth is constituted between two adjacent vertical portions.
3. coating gasket according to claim 1, which is characterized in that the spoiler has multiple, multiple spoilers
Between be spaced setting, the stock discharge mouth is separated into multiple runners.
4. coating gasket according to claim 1, which is characterized in that the both ends of the support column respectively with the gasket sheet
Body connection, the spoiler are connect with the cylinder of the support column.
5. coating gasket according to claim 1, which is characterized in that the both ends of the support column respectively with the gasket sheet
Body is connected with the spoiler.
6. coating gasket according to claim 1, which is characterized in that the spoiler includes connecting column and plate body, described
Connecting column is separately connected the plate body and the support column.
7. coating gasket according to claim 6, which is characterized in that the plate body include round plate body, semicircle plate body,
One of oval plate body, triangle plate body, rectangular panel body, trapezoidal plate body are a variety of.
8. coating gasket according to claim 2, which is characterized in that the bending part and the vertical portion are in the slurry
The crank degree of discharge outlet is 90 degree.
9. coating gasket according to claim 2, which is characterized in that be all arranged on the bending part and the vertical portion
There is ceramic slurry channel, the ceramic slurry channel has ceramic slurry discharge port, the opening side of the ceramic slurry discharge port
It is consistent to the stock discharge mouth.
10. coating gasket according to claim 1, which is characterized in that the width range of the support column include 1~
100mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121159.7U CN209646879U (en) | 2019-01-23 | 2019-01-23 | It is coated with gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121159.7U CN209646879U (en) | 2019-01-23 | 2019-01-23 | It is coated with gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209646879U true CN209646879U (en) | 2019-11-19 |
Family
ID=68522438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920121159.7U Active CN209646879U (en) | 2019-01-23 | 2019-01-23 | It is coated with gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209646879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083617A (en) * | 2021-04-07 | 2021-07-09 | 深圳市曼恩斯特科技股份有限公司 | Coating gasket, coating die head and coating machine |
-
2019
- 2019-01-23 CN CN201920121159.7U patent/CN209646879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083617A (en) * | 2021-04-07 | 2021-07-09 | 深圳市曼恩斯特科技股份有限公司 | Coating gasket, coating die head and coating machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209646879U (en) | It is coated with gasket | |
| CN106637088A (en) | Nozzle flapper and vapor deposition device | |
| JPH08219939A (en) | Method for reducing turbulence at fluid measuring part and channel body | |
| CN208230799U (en) | The running gate system and mold of optical fiber module shell | |
| CN211080692U (en) | Building moisture proof curtain wall | |
| CN209874458U (en) | Plastic formwork with self-sealing structure | |
| WO2023005447A1 (en) | Coating gasket and coating device | |
| CN105822355B (en) | A kind of New Gas Film cools down notching construction | |
| CN209511221U (en) | A kind of crystal waterfall faucet | |
| CN211677057U (en) | Sieve plate convenient for liquid to contact with gas | |
| CN209501368U (en) | A kind of preprocessing system of SCR catalyst device | |
| CN208803697U (en) | A kind of three layers of grid building template of fretting map two-shipper co-extrusion | |
| CN209459643U (en) | A kind of horizontal ruler of high bonding strength | |
| CN105344571A (en) | Hot air nozzle for drying | |
| CN208415700U (en) | A kind of flow guiding water-proof tile mounting structure | |
| CN220143929U (en) | Weft-free cloth prepreg thread and drying tunnel structure thereof | |
| CN208362946U (en) | Tunnel bridges and culverts dedicated suction sound separating member | |
| CN215879280U (en) | Nozzle for hot rolling plate laminar flow purging water retaining and water retaining device | |
| CN214917772U (en) | Novel polyurethane foam glue nozzle | |
| CN215784619U (en) | Gun nozzle assembly of glue gun and glue gun | |
| CN219210472U (en) | Novel scraping plate fixed in baby pull-up pants product | |
| CN205550729U (en) | Glass jiao zui suitable for 45 slope injecting glue | |
| CN212943822U (en) | Coating pad and coating device | |
| CN209019909U (en) | The combination of corrugation beer card | |
| CN213709914U (en) | Z-shaped metal water baffle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230614 Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. Address before: 518000, 1st floor, 2nd floor, A-B area, 2nd floor, D area-9th floor, Yihe Road, Shiyan Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |