CN207529961U - Cell piece string welding machine - Google Patents
Cell piece string welding machine Download PDFInfo
- Publication number
- CN207529961U CN207529961U CN201721708831.XU CN201721708831U CN207529961U CN 207529961 U CN207529961 U CN 207529961U CN 201721708831 U CN201721708831 U CN 201721708831U CN 207529961 U CN207529961 U CN 207529961U
- Authority
- CN
- China
- Prior art keywords
- welding
- cell piece
- holding meanss
- conveying device
- gate line
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Wire Processing (AREA)
Abstract
The utility model provides a kind of cell piece string welding machine, including welding conveying device, welding holding meanss and welder, welding conveying device conveying cell piece；Welding holding meanss and cell piece synchronous transport simultaneously carry welding, and the main gate line for making welding and cell piece is opposite one by one, and during synchronous transport, and opposite welding is at least partly bonded between the main gate line of cell piece；Alternatively, has preset distance between opposite welding and the main gate line of cell piece；Welder is used to weld welding and the main gate line opposite with welding.The utility model can be with synchronous transport good welding and cell piece staggered relatively, and is reliably accurately and efficiently welded automatically.
Description
Technical field
The utility model is related to field of battery production in general, in particular to a kind of cell piece string welding machine.
Background technology
At present, the demand of photovoltaic cell component is increasing, and in photovoltaic cell component production process, it needs weldering
Tape welding is connected in the main gate line of cell piece, and especially in the welding of multiple-grid string welding machine, the grid line of cell piece is more, grid line is thin.Grid line
The welding that can mostly result in the need for is also more, and grid line carefully requires welding also thin.In addition, the weldering used in the welding of multiple-grid string welding machine
Band is round welding, easily rolls, is susceptible to displacement during production, causes welding that cannot accurately be welded to main gate line
On.
Therefore, the Accuracy and high efficiency of cell piece series welding how is improved, so as to improve the integrated automation of battery production
Level, and Resource regeneration are industry urgent problems.
Utility model content
One main purpose of the utility model is to overcome at least one defect of the above-mentioned prior art, provides one kind and carry
The cell piece string welding machine of the Accuracy and high efficiency of high cell piece series welding.
To realize above-mentioned purpose of utility model, the utility model adopts the following technical solution：
A kind of cell piece string welding machine, including：
Weld conveying device, the welding conveying device conveying cell piece；
Welding holding meanss, be placed on it is described welding conveying device on transport cell piece on with the cell piece
Synchronous transport, the welding holding meanss carry welding, and make the main gate line of welding and cell piece opposite one by one and defeated synchronizing
During sending, opposite welding is at least partly bonded between the main gate line of cell piece；Alternatively, opposite welding and cell piece
Has preset distance between main gate line；
Welder, the welder are used to weld welding and the main gate line opposite with the welding.
An embodiment according to the present utility model, cell piece string welding machine have further included draft gear and have been arranged on pre-determined bit
The cutter device put, for draft gear for drawing welding, welding enters welding holding meanss by draft gear；
Welding is cut into the welding section of fixed length by cutter device under draft gear cooperation.
An embodiment according to the present utility model is additionally provided with caching dress between draft gear and welding holding meanss
It puts, welding enters buffer storage by draft gear, and welding is delivered to welding holding meanss by buffer storage.
An embodiment according to the present utility model, welding holding meanss quantity are two or more, and cell piece string welding machine is also
Include circulating conveyor, circulating conveyor circulation conveying two or more welding holding meanss successively, so that welding is kept
Device can recycle in welding conveying device.
An embodiment according to the present utility model is provided with gripping body in welding holding meanss, and gripping body is used for
Grip welding.
An embodiment according to the present utility model is additionally provided with the first actuating mechanism and the at corresponding welding conveying device
Two actuating mechanisms, the first actuating mechanism triggering gripping body gripping welding, the second actuating mechanism triggering gripping body decontrol welding.
An embodiment according to the present utility model, the first actuating mechanism are set in welding conveying device, and second touches
Mechanism is set on welding conveying device or welder.
As shown from the above technical solution, it is the advantages of the cell piece string welding machine of the utility model with good effect：
, can be with synchronous transport good welding and cell piece staggered relatively in the utility model, and will be welded on setting position
Main gate line on band and cell piece is welded, so as to fulfill reliably welding automatically, and prevent welding from rolling, so as to improve weldering
Connect accuracy and operating efficiency.
Description of the drawings
Consider the detailed description of the following preferred embodiment to the utility model in conjunction with the accompanying drawings, the utility model it is each
Kind target, feature and advantage will become apparent.Attached drawing is only the exemplary diagram of the utility model, is not necessarily
It is drawn to scale.In the accompanying drawings, same reference numeral always shows same or similar component.Wherein：
Fig. 1 is one embodiment cell piece string welding machine structure diagram of the utility model.
Wherein, the reference numerals are as follows：
Cutter device 1；Draft gear 2；Buffer storage 3；Weld conveying device 4；Battery piece charging device 5；Circulation conveying
Device 6；Welding holding meanss 7；First actuating mechanism 8；Second actuating mechanism 9；Welder 10.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that this practicality is new
The design of example embodiment fully and completely, and comprehensively will be communicated to those skilled in the art by type.It is identical in figure
Reference numeral represents same or similar structure, thus will omit their detailed description.
It is described below the difference to the utility model is exemplary, is carried out with reference to attached drawing, the attached drawing forms this practicality
A novel part, and the exemplary knot of difference of many aspects of achievable the utility model is wherein shown by way of example
Structure, system and step.It should be understood that other specified schemes of component, structure, exemplary means, system and step can be used, and
And structural and functional modification can be carried out in the case of without departing from the scope of the utility model.It although moreover, can in this specification
The different example features of the utility model are described using term " top ", " bottom ", " forepart ", " rear portion ", " side " etc.
And element, but these terms are in this article merely for convenient, for example, with reference to the accompanying drawings described in exemplary direction.This explanation
Any content in book is not necessarily to be construed that the specific three dimensional direction of Structure of need is just fallen into the scope of the utility model.
Fig. 1 is one embodiment cell piece string welding machine structure diagram of the utility model.As shown in Figure 1, the electricity of the embodiment
Pond piece string welding machine, for the first part of the welding of fixed length to be welded on to the upper surface main gate line of previous cell piece, and will be fixed
The second part of long welding is welded in the lower surface main gate line of latter cell piece, and cell piece string welding machine includes：Welding conveying
Device 4, for conveying cell piece；Welding holding meanss 7 for carrying welding, and make the main gate line of welding and cell piece one by one
Relatively；Welder 10, welder 10 are used to weld welding and the main gate line opposite with welding.
In the embodiment, cell piece string welding machine further includes draft gear 2 and is arranged on the cutter device 1 in precalculated position,
For draft gear 2 for drawing welding, welding enters welding holding meanss 7 by draft gear 2；Cutter device 1 is in draft gear 2
Under cooperation, welding is cut into the welding section of fixed length.
In the embodiment, draft gear 2 includes moving structure and crawl structure, and crawl structure can removably mount within
In dynamic structure, crawl structure is for capturing welding, and moving structure is for pulling crawl structure movement；Moving structure include sliding block,
Sliding rail, driver are provided with slideway on sliding rail, and sliding block is fitted on sliding rail, and can be moved along slideway, driver transmission
Connection sliding block, crawl structure are mounted on sliding block, crawl structure crawl welding, driver driving sliding block and crawl structure thereon
It is moved along the slideway on sliding rail and welding is led into required length, so as to fulfill the traction to busbar.
In the embodiment, cutter device 1 may include the first cutter and the second cutter, and the first cutter and the second cutter are set relatively
It puts, the first cutter and the relative movement of the second cutter by the welding between the first cutter and the second cutter with to carrying out cut-out behaviour
Make.
In the embodiment, welding is cut into the welding of fixed length by cutter device 1 under the cooperation of draft gear 2, further fixed
Long welding is pulled into welding holding meanss 7 by draft gear 2；Or
Buffer storage 3 is also provided between draft gear 2 and welding holding meanss 7, cutter device 1 is in draft gear
Welding is cut into the welding of fixed length, further fixed-length welding-band is pulled into buffer storage 3 by draft gear 2, delays under 2 cooperations
Cryopreservation device 3 accepts the fixed-length welding-band that draft gear 2 conveys and welding is delivered to welding holding meanss 7, and buffer storage 3 can cache
An at least fixed-length welding-band.
In the embodiment, welding conveying device 4 may be disposed at after draft gear 2, may also set up after draft gear 2
After the buffer storage 3 of setting, welding conveying device 4 includes conveyor surface and drive for transports cell piece, welding conveying device 4
Dynamic device, driving device drive conveyor surface to move and then convey cell piece.
In the embodiment, cell piece string welding machine has further included battery piece charging device 5, for supplying cell piece, cell piece
Feeding device 5 is set to before welding conveying device 4, after draft gear 2 or after buffer storage 3, cell piece feeding dress
It puts 5 supply cell pieces and cell piece is placed in 4 forepart pre-position of welding conveying device.
In the embodiment, cell piece string welding machine has further included circulating conveyor 6, and circulating conveyor 6 recycles defeated successively
More than two welding holding meanss 7 are sent, so that welding holding meanss 7 can recycle in welding conveying device 4, cycle is defeated
Device 6 is sent to include fetching device and mobile mechanism, fetching device pickup or the more than two welding holding meanss 7 of placement, it is mobile
Mechanism can drive fetching device that more than two welding holding meanss 7 are positioned over 4 forepart pre-position of welding conveying device
On cell piece, mobile mechanism can also drive fetching device that more than two welding holding meanss 7 are pre- from 4 forepart of welding conveying device
It positions and is taken away on the cell piece at the place of putting.
In the embodiment, 7 quantity of welding holding meanss is more than two, and depending on the visual demand of particular number, welding is kept
Device 7 be placed on welding conveying device 4 on transport cell piece on with cell piece synchronous transport, welding holding meanss 7
Welding being carried, and makes the main gate line of welding and cell piece opposite one by one, being welded and then by two batteries with will pass through butt welding band
The main gate line connection of piece, and during synchronous transport, be bonded between opposite welding and the main gate line of cell piece, alternatively, phase
To at least part of welding and the main gate line of cell piece between have preset distance.
In the embodiment, gripping body can be provided in welding holding meanss 7, gripping body leads for gripping welding
Welding is drawn to welding holding meanss 7 or buffer storage 3 welding being delivered to welding holding meanss 7 by leading-in device 2, and welding is protected
The gripping body gripping welding on device 7 is held, welding conveying device 4 conveys welding holding meanss 7 on cell piece and cell piece and presss from both sides
Below the welding taken to welder 10, the gripping body in welding holding meanss 7 decontrols welding.
In the embodiment, the first actuating mechanism 8 and the second actuating mechanism 9 are additionally provided at corresponding welding conveying device 4, the
One actuating mechanism 8 is set in welding conveying device 4, and the first actuating mechanism 8 triggering gripping body gripping welding, second touches machine
Structure 9 is set on welding conveying device 4 or welder 10, and the second actuating mechanism 9 triggering gripping body decontrols welding.
In the embodiment, for welder 10 for welding and the main gate line opposite with welding to be welded, welding is defeated
Device 4 is sent to convey below the welding to precalculated position i.e. welder 10 that welding holding meanss 7 grip on cell piece and cell piece,
Gripping body in welding holding meanss 7 decontrols welding, and welder 10 is by welding and welding of battery film.
In the embodiment, welding is pulled out predetermined length by draft gear 2 at cutter device 1, and cutter device 1 is being drawn
Under device 2 coordinates, welding is cut into the welding section of fixed length, fixed-length welding-band is positioned on buffer storage 3, follows by draft gear 2
More than two welding holding meanss 7 are captured movement and are positioned over 4 forepart pre-position of welding conveying device by ring conveying device 6
Cell piece on, the first actuating mechanism 8 opens the gripping body in welding holding meanss 7, and welding is delivered to by buffer storage 3
At welding holding meanss 7, the first actuating mechanism 8 makes clamp device clamp welding, and welding conveying device 4 conveys cell piece and battery
The welding that on piece welding holding meanss 7 grip to 10 lower section of welder, the second actuating mechanism 9 is triggered in welding holding meanss 7
Gripping body decontrol welding, welder 10 is by welding and welding of battery film.
The utility model embodiment also provides a kind of cell piece series welding method, applied in as above cell piece string welding machine, electricity
Pond piece series welding method includes：The main gate line of welding and cell piece is staggered relatively one by one；Synchronous transport good welding staggered relatively
And cell piece, it during synchronous transport, is bonded between opposite welding and the main gate line of cell piece, alternatively, opposite welding
At least part and cell piece main gate line between have preset distance；Welding position is reached in the welding and cell piece of conveying
When, welding and main gate line corresponding with welding are welded.
In the embodiment, cell piece string welding machine further includes draft gear 2 and is arranged on the cutter device 1 of pre-position,
Draft gear 2 includes moving structure and crawl structure, and crawl structure can be removably mounted on moving structure, and crawl structure is used
In crawl welding, moving structure captures structure movement for pulling；Moving structure includes sliding block, sliding rail, driver, is set on sliding rail
Slideway is equipped with, sliding block is fitted on sliding rail, and can be moved along slideway, driver drive connection sliding block, crawl structure peace
On sliding block, crawl structure crawl welding, driver driving sliding block and crawl structure thereon is moved along the slideway on sliding rail
And welding is led into required length, so as to fulfill the traction to busbar；Cutter device 1 may include that the first cutter and second is cut
Knife, the first cutter and the second cutter are oppositely arranged, and the first cutter and the relative movement of the second cutter are with to by the first cutter and the
Welding between two cutters carries out rupturing operation.
In the embodiment, before the main gate line of welding and cell piece is staggered relatively one by one, cell piece series welding method is also
Including：Welding, which is drawn, using draft gear 2 enters welding holding meanss 7；After welding is pulled out by draft gear 2, utilize
Cutter device 1 cuts the welding pulled out, and welding is cut into the welding section of fixed length.
In the embodiment, cell piece string welding machine further includes buffer storage 3, by the main gate line of welding and cell piece phase one by one
Before placement, cell piece series welding method further includes：After using draft gear 2, welding is drawn, it is positioned on buffer storage 3
It is cached；The welding of caching is delivered to welding holding meanss 7 using buffer storage 3.Buffer storage 3 is set to draft gear
Between 2 and welding holding meanss 7, welding is cut into the welding of fixed length by cutter device 1 under the cooperation of draft gear 2, further
Fixed-length welding-band is pulled into buffer storage 3 by draft gear 2, and buffer storage 3 accepts the fixed-length welding-band of the conveying of draft gear 2 simultaneously
Welding is delivered to welding holding meanss 7, buffer storage 3 can cache an at least fixed-length welding-band.
In the embodiment, cell piece string welding machine further includes circulating conveyor 6, and cell piece series welding method further includes：It utilizes
The circulation conveying two or more welding holding meanss 7 successively of circulating conveyor 6, so that welding holding meanss 7 can recycle,
Welding is carried and conveyed using welding holding meanss 7.Circulating conveyor 6 includes fetching device and mobile mechanism, pick-and-place machine
Structure picks up or places more than two welding holding meanss 7, and mobile mechanism can drive fetching device to keep filling by more than two weldings
It puts 7 to be positioned on the cell piece of 4 forepart pre-position of welding conveying device, mobile mechanism can also drive fetching device by two
More than welding holding meanss 7 are taken away from the cell piece of 4 forepart pre-position of welding conveying device.
In the embodiment, cell piece string welding machine further includes gripping body, and cell piece series welding method further includes：Utilize catching device
Structure grips welding.Gripping body may be disposed in welding holding meanss 7, and draft gear 2 draws welding to welding holding meanss 7
Or welding is delivered to welding holding meanss 7 by buffer storage 3, the gripping body gripping welding in welding holding meanss 7, welding
Conveying device 4 is conveyed below the welding to welder 10 that welding holding meanss 7 grip on cell piece and cell piece, and welding is kept
Gripping body on device 7 decontrols welding.
In the embodiment, cell piece string welding machine further includes the first actuating mechanism 8 and the second actuating mechanism 9, cell piece series welding
Method further includes：Using the first actuating mechanism 8 triggering gripping body gripping welding, catching device is triggered using the second actuating mechanism 9
Structure decontrols welding.First actuating mechanism 8 and the second actuating mechanism 9 are set to touches machine with 4 corresponding position of welding conveying device, first
Structure 8 is set in welding conveying device 4, and the first actuating mechanism 8 triggering gripping body gripping welding, the second actuating mechanism 9 is set
In in welding conveying device 4 or welder 10, the second actuating mechanism 9 triggering gripping body decontrols welding.
, can be with synchronous transport good welding and cell piece staggered relatively in the utility model, and will be welded on setting position
Main gate line on band and cell piece is welded, so as to fulfill reliably welding automatically, and prevent welding from rolling, so as to improve weldering
Connect accuracy and operating efficiency.
The utility model person of an ordinary skill in the technical field should be appreciated that institute in above-mentioned specific embodiment part
What the concrete structure and technical process shown was merely exemplary, and not restrictive.Moreover, the affiliated technology neck of the utility model
The those of ordinary skill in domain can be combined with structure the various technical characteristics shown in the above according to various possible modes
The technical solution of Cheng Xin carries out other changes, and belongs within the scope of the utility model.
Claims (7)
1. a kind of cell piece string welding machine, which is characterized in that including：
Weld conveying device, the welding conveying device conveying cell piece；
Welding holding meanss are placed on the cell piece of the transport in the welding conveying device with synchronous with the cell piece
Conveying, the welding holding meanss carry welding, and make the main gate line of welding and cell piece opposite one by one, and in synchronous transport mistake
Cheng Zhong, opposite welding are at least partly bonded between the main gate line of cell piece；Alternatively, opposite welding and the main grid of cell piece
Has preset distance between line；
Welder, the welder are used to weld welding and the main gate line opposite with the welding.
2. cell piece string welding machine as described in claim 1, which is characterized in that the cell piece string welding machine has further included traction dress
The cutter device in precalculated position is put and is arranged on, for drawing welding, the welding is filled the draft gear by the traction
It puts into the welding holding meanss；
Welding is cut into the welding section of fixed length by the cutter device under draft gear cooperation.
3. cell piece string welding machine as claimed in claim 2, which is characterized in that the draft gear and the welding holding meanss
Between be additionally provided with buffer storage, the welding enters the buffer storage by the draft gear, and the buffer storage will
Welding is delivered to the welding holding meanss.
4. cell piece string welding machine as described in claim 1, which is characterized in that the welding holding meanss quantity for two with
On, the cell piece string welding machine has further included circulating conveyor, and circulation conveying is more than two successively for the circulating conveyor
The welding holding meanss, so that the welding holding meanss can recycle in the welding conveying device.
5. cell piece string welding machine as described in claim 1, which is characterized in that be provided with catching device in the welding holding meanss
Structure, the gripping body are used to grip welding.
6. cell piece string welding machine as claimed in claim 5, which is characterized in that be additionally provided at the corresponding welding conveying device
First actuating mechanism and the second actuating mechanism, the first actuating mechanism triggering gripping body gripping welding, described second
Actuating mechanism triggers the gripping body and decontrols welding.
7. cell piece string welding machine as claimed in claim 6, which is characterized in that first actuating mechanism is set to the welding
In conveying device, second actuating mechanism is set on the welding conveying device or the welder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708831.XU CN207529961U (en) | 2017-12-08 | 2017-12-08 | Cell piece string welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708831.XU CN207529961U (en) | 2017-12-08 | 2017-12-08 | Cell piece string welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207529961U true CN207529961U (en) | 2018-06-22 |
Family
ID=62578381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721708831.XU Active CN207529961U (en) | 2017-12-08 | 2017-12-08 | Cell piece string welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207529961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887476A (en) * | 2017-12-08 | 2018-04-06 | 无锡奥特维科技股份有限公司 | Cell piece string welding machine and cell piece series welding method |
| CN109545904A (en) * | 2018-12-14 | 2019-03-29 | 无锡奥特维科技股份有限公司 | A kind of cell piece string welding machine and cell piece series welding method |
-
2017
- 2017-12-08 CN CN201721708831.XU patent/CN207529961U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887476A (en) * | 2017-12-08 | 2018-04-06 | 无锡奥特维科技股份有限公司 | Cell piece string welding machine and cell piece series welding method |
| CN107887476B (en) * | 2017-12-08 | 2024-03-01 | 无锡奥特维科技股份有限公司 | Battery piece series welding machine and battery piece series welding method |
| CN109545904A (en) * | 2018-12-14 | 2019-03-29 | 无锡奥特维科技股份有限公司 | A kind of cell piece string welding machine and cell piece series welding method |
| CN109545904B (en) * | 2018-12-14 | 2024-03-01 | 无锡奥特维科技股份有限公司 | Battery piece serial welding machine and battery piece serial welding method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107887476A (en) | Cell piece string welding machine and cell piece series welding method | |
| CN102294550B (en) | Full-automatic solar cell single-welding machine | |
| CN106311959B (en) | A kind of chain piece feeder | |
| CN207529961U (en) | Cell piece string welding machine | |
| CN202461746U (en) | Solar cell welding machine | |
| CN207267753U (en) | Automatic feed mechanism | |
| CN105858240A (en) | Automatic turning and conveying line body for bottom supports | |
| CN202591782U (en) | Full-automatic series welding machine capable of welding 600 cells per hour | |
| CN104401721A (en) | Formation charging/discharging device of flexibly-packaged lithium battery | |
| CN208070826U (en) | Double glass feeders | |
| CN209282226U (en) | A kind of cell piece string welding machine | |
| CN101330137B (en) | Apparatus for automatically spot-welding battery set electrode | |
| CN208680718U (en) | A kind of solar battery sheet high-speed duplex bit string welding machine | |
| CN104354910B (en) | A kind of cup, bowl, the multi-functional automatic bag sheathing device of lid | |
| CN109850572A (en) | Handling device, method for carrying and string welding machine | |
| CN205950121U (en) | A welding machine for battery connection piece | |
| CN206407611U (en) | A kind of auto feeding device of efficient stable | |
| CN206029045U (en) | A welding set for lithium cell solder area | |
| CN104444483A (en) | Feeding device capable of collecting carton sheet automatically | |
| CN203659902U (en) | High-temperature-resistance adhesive-tape multi-point automatic pasting equipment | |
| CN206662849U (en) | One kind circulation loading working table | |
| CN203046312U (en) | Automatic cold-hot cutting-sewing integration machine | |
| CN205343803U (en) | Lithium battery cap laser welding device | |
| CN205952993U (en) | Sealed frame extracting device | |
| CN206820054U (en) | Aluminium turns the producing device of non-aluminum metal lug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |