CN221133728U - Blanking equipment with hold in palm material device that prevents product distortion - Google Patents
Blanking equipment with hold in palm material device that prevents product distortion Download PDFInfo
- Publication number
- CN221133728U CN221133728U CN202322774451.8U CN202322774451U CN221133728U CN 221133728 U CN221133728 U CN 221133728U CN 202322774451 U CN202322774451 U CN 202322774451U CN 221133728 U CN221133728 U CN 221133728U
- Authority
- CN
- China
- Prior art keywords
- product
- die holder
- material pressing
- floating
- base
- 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
- 239000000463 material Substances 0.000 title claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 238000007599 discharging Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 description 11
- 238000010009 beating Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000007665 sagging Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model provides a blanking equipment with hold in palm material device that prevents product distortion, blanking equipment includes blank mechanism, product strip, upper die base, die holder, and the upper portion of die holder is located to the product strip, and blank mechanism includes cuts the terrace die, cuts the terrace die and locates the upper die base in locating the upper die base, cuts the die and locates the die holder in, holds in the palm material device including setting up at the floating mechanism of die holder and taking out the board mechanism, and the rear end of cutting the die is equipped with floating mechanism, and floating mechanism rear end is equipped with takes out the board mechanism, takes out the board mechanism and locates the product strip both sides. According to the utility model, through the floating mechanism, the plate drawing mechanism and the material pressing mechanism, the distortion and deformation of the product during blanking are avoided, the product is fixed, and the dimensional accuracy of the product is improved.
Description
Technical Field
The utility model relates to the technical field of product strip blanking, in particular to blanking equipment with a product-distortion-preventing material supporting device.
Background
At present, before the blanking cutter cuts and prepares blanking, for the scattered piece product that the external diameter is big, blanking die is far away from the afterbody distance of product, and product strip takes place sagging distortion under natural gravity influence, and product flatness is very poor, and when blanking cutter cuts the blanking, product strip is being in sagging distortion and does not press the material fixed, and strip position is unfixed during every blanking, can lead to product size fluctuation change, causes the product disqualification.
Disclosure of utility model
The blanking equipment with the material supporting device for preventing the product from being distorted solves the problem of distortion and deformation of the scattered sheet product with large outer diameter during blanking, fixes the product strips and improves the product size precision.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a blanking equipment with hold in palm material device that prevents product distortion, blanking equipment includes blank mechanism, product strip, upper die base, die holder, and the upper portion of die holder is located to the product strip, and blank mechanism includes cuts the terrace die, cuts the terrace die and locates the upper die base in locating the upper die base, cuts the die and locates the die holder in, holds in the palm material device including setting up at the floating mechanism of die holder and taking out the board mechanism, and the rear end of cutting the die is equipped with floating mechanism, and floating mechanism rear end is equipped with takes out the board mechanism, takes out the board mechanism and locates the product strip both sides.
Compared with the prior art, the utility model has the advantages that:
The end of product strip material is through cutting out the product by blank mechanism, floating mechanism sets up in the rear end of cutting the die, hold up the front end of product, floating mechanism rear end is equipped with takes out the board mechanism, take out the board mechanism and locate the product both sides, hold up the both ends of product, when the product external diameter is great, product strip material cooperates under holding in the palm the material in floating mechanism and taking out the board mechanism, the product is held up by most area, the pressure that the product strip material produced by gravity influence when the blanking is reduced, prevent to receive gravity influence sagging deformation when the blanking.
As an improvement of the utility model, the floating mechanism comprises a floating supporting plate and a floating spring, the lower die holder is provided with a first groove, the floating supporting plate is arranged in the first groove, the upper surface of the floating supporting plate is higher than the upper surface of the lower die holder, the floating spring is arranged between the floating supporting plate and the lower die holder, the stress at the cutting position of the product strip is maximum, the floating mechanism is positioned at the rear of the cutting position of the product strip, the contact area of the floating supporting plate is large, the pressure at the cutting position can be reduced, and the product deformation is prevented.
As an improvement of the utility model, the drawing plate mechanism comprises a drawing plate, a movable cylinder and a drawing plate base, wherein the drawing plate base is connected with a lower die holder, the drawing plate base is provided with a second groove, the drawing plate is internally arranged in the second groove, the outer side of the drawing plate is connected with a push rod of the movable cylinder, the movable cylinder is connected with the drawing plate base, when a blanking cutter blanks strip materials, the drawing plate stretches out to hold the products, the difficult problem of distortion of the large-outer-diameter scattered sheet products during blanking is solved, after blanking is finished, the drawing plate is retracted to the bottom, an extension rod is separated from the products, the products are taken away by a tail conveyor belt after being dropped down in order, and the follow-up product strip materials are conveniently and smoothly fed.
As an improvement of the utility model, the upper part of the drawing board base is provided with the drawing board cover plate, the lower surface of the drawing board cover plate is propped against the upper surface of the drawing board base and the upper surface of the drawing board, so that dust can be prevented from entering the drawing board mechanism, the drawing board is prevented from tilting, and the moving direction of the drawing board is guided.
As an improvement of the utility model, the inner side of the drawing plate is provided with the drawing plate extension rod, the setting direction of the drawing plate extension rod is vertical to the moving direction of the drawing plate, the drawing plate extension rod and the drawing plate are welded together, the drawing plate can be driven to move back and forth by the movement of the piston of the cylinder, and the drawing plate extension rod can be properly lengthened or shortened according to the size of a product so as to achieve a larger area capable of supporting the product.
As an improvement of the utility model, the lower die holder comprises a forming base arranged at the lower part, a base backing plate is arranged between the drawing plate base and the forming base, and the height of the drawing plate support is convenient to adjust by increasing or reducing the thickness of the base backing plate.
As an improvement of the utility model, a pressing mechanism is arranged in the upper die seat area corresponding to the upper part of the floating mechanism, the pressing mechanism comprises a strip pressing rod, a strip pressing ejecting block and a pressing spring, the strip pressing ejecting block is arranged in the strip pressing rod, the upper surface of the strip pressing ejecting block is propped against the upper die seat, the pressing spring is arranged between the strip pressing rod and the upper die seat, one end of the pressing spring is propped against the strip pressing rod, the other end of the pressing spring is propped against the upper surface of the upper die seat, the lower surface of the strip pressing rod is lower than the lower surface of the strip pressing ejecting block, the lower part of the product strip is supported by the floating supporting plate, the upper part of the product is pressed by the ejecting block, the effect of fixing the strip is achieved, the dimensional accuracy of the product is improved, the lower surface of the strip pressing rod and the lower surface of the strip pressing ejecting block are in the same horizontal plane when the product strip is sucked up by the strip pressing ejecting block, and the product is prevented from being punched out of the product strip pressing ejecting block in the opposite moving direction relative to the strip pressing ejecting block through the action of the pressing spring.
As an improvement of the utility model, the lower surface of the strip material pressing top block and the lower surface of the slitting male die are positioned on the same horizontal line, so that the product bending caused by the height difference between the strip material pressing top block and the slitting male die is avoided.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a front view of a material supporting structure device of the present utility model;
FIG. 2 is a top view of the material supporting structure device of the present utility model;
Fig. 3 is a side view of the inventive palletizing device.
The labels in the above figures are respectively: 1. a blanking mechanism; 1.1, cutting male dies; 1.2, cutting female dies; 2. a floating mechanism; 2.1, floating pallet; 2.2, a floating spring; 3. a board drawing mechanism; 3.1, drawing out the board; 3.2, a movable cylinder; 3.3, drawing the base plate; 3.4, drawing the extension rod of the board; 3.5, drawing the cover plate of the board; 3.6, a base backing plate; 4. a material pressing mechanism; 4.1, beating the rod of the strip material; 4.2, pressing a strip material and a top block; 4.3, a material pressing spring; 5. product strips; 6.1, an upper die holder; 6.2, a lower die holder; 6.2.1, forming a base.
Detailed Description
In the present utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "planar direction", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 3, a blanking device with a material supporting device for preventing product distortion comprises a blanking mechanism 1, a product strip 5, an upper die holder 6.1 and a lower die holder 6.2, wherein the product strip 5 is arranged at the upper part of the lower die holder 6.2, the blanking mechanism 1 comprises a cutting male die 1.1 and a cutting female die 1.2, the cutting male die 1.1 is arranged in the upper die holder 6.1, the cutting female die 1.2 is arranged in the lower die holder 6.2, the front end of the cutting edge of the cutting male die 1.1 corresponds to the rear end of the cutting female die 1.2, the material supporting device comprises a floating mechanism 2 and a plate drawing mechanism 3 which are arranged at the lower die holder 6.2, the rear end of the cutting female die 1.2 is provided with the floating mechanism 2, the rear end of the floating mechanism 2 is provided with a plate drawing mechanism 3, the plate drawing mechanism 3 is arranged at two sides of a product strip 5, the floating mechanism 2 comprises a floating supporting plate 2.1 and a floating spring 2.2, a lower die holder 6.2 is provided with a first groove, the floating supporting plate 2.1 is arranged in the first groove, the upper surface of the floating supporting plate 2.1 is higher than the upper surface of the lower die holder 6.2, a floating spring 2.2 is arranged between the floating supporting plate 2.1 and the lower die holder 6.2, the plate drawing mechanism 3 comprises a drawing plate 3.1, a movable air cylinder 3.2 and a drawing plate base 3.3, the drawing plate base 3.3 is connected with the lower die holder 6.2, the outer side of the drawing plate 3.1 is connected with a push rod of the movable air cylinder 3.2, the movable air cylinder 3.2 is connected with the drawing plate base 3.3, the drawing plate base 3.3 is provided with a second groove, the drawing plate 3.1 is internally provided with a second groove, the upper part of the drawing plate base 3.3 is provided with a drawing plate cover plate 3.5, the lower surface of the drawing plate cover plate 3.5 is propped against the upper surface of the drawing plate base 3.3 and the upper surface of the drawing plate 3.1, a material pressing mechanism 4 is arranged in the upper die holder 6.1 area corresponding to the upper part of the floating mechanism 2, the material pressing mechanism 4 comprises a strip material beating rod 4.1, a strip material pressing top block 4.2 and a material pressing spring 4.3, the strip material beating rod 4.1 is internally provided with a strip material pressing top block 4.2, the upper surface of the strip material pressing top block 4.2 is propped against the upper die holder 6.1, a material pressing spring 4.3 is arranged between the strip material beating rod 4.1 and the upper die holder 6.1, one end of the material pressing spring 4.3 is propped against the strip material beating rod 4.1, the other end of the movable cylinder 3.2 is propped against the upper surface of the upper die holder 6.1, the lower surface of the strip punching rod 4.1 is lower than the lower surface of the strip pressing jacking block 4.2, the lower surface of the strip pressing jacking block 4.2 and the lower surface of the slitting male die 1.1 are positioned on the same horizontal line, when the tail end of the product strip 5 is slit by the slitting device 1, at the moment, the piston of the movable cylinder 3.2 moves to drive the drawing plate 3.1 to move forwards, the floating supporting plate 2.1 and the drawing plate 3.1 cooperate to support the product to be punched, the strip punching rod 4.1 and the strip pressing jacking block 4.2 press the product to be punched, the product to be punched is fixed, the drawing plate extension rod 3.4 is arranged on the inner side of the drawing plate 3.1, the setting direction of the drawing plate extension rod 3.4 is perpendicular to the moving direction of the drawing plate 3.1, when the product to be punched is bigger, the drawing plate extension rod 3.4 can be lengthened, when the product to be punched is smaller, the drawing plate extension rod 3.4 can be shortened, when the strip punching rod 4.1 is in a normal state, the lower surface of the strip punching rod 4.1 and the lower surface of the strip punching ejector block 4.2 are positioned at the same horizontal plane, when the product to be punched is sucked by the strip punching ejector block 4.2 to be taken up, the strip punching rod 4.1 moves in the opposite direction relative to the moving direction of the strip punching ejector block 4.3 under the action of the punching spring 4.3, so that the product to be punched is separated from the strip punching ejector block 4.3, the lower die holder 6.2 is including establishing the shaping base 6.2.1 in the lower part, is equipped with base backing plate 3.6 between taking out board base 3.3 and the shaping base 6.2.1, and the thickness of base backing plate 3.6 can be adjusted according to the thickness of product strip 5, and after the blanking was accomplished, take out board 3.1 and return the bottom, take out board extension rod 3.4 and break away from the product, take out the board 3.1 and stretch out again after the product falls down by afterbody conveyer belt, prepare to hold next step product strip 5. The drawing plate 3.1 repeatedly moves to finish the material supporting and blanking.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages: the tail end of the product strip 5 is punched and cut out of the product through the blanking mechanism 1, the floating mechanism 2 is arranged at the rear end of the slitting female die 1.2, the front end of the product is supported, the plate drawing mechanism 3 is arranged at the rear end of the floating mechanism 2, the plate drawing mechanism 3 is arranged at two sides of the product, and the two ends of the product are supported; the stress at the cutting position of the product strip 5 is maximum, the floating mechanism 2 is positioned behind the cutting position of the product strip 5, the contact area of the floating supporting plate 2.1 is large, the pressure at the cutting position can be reduced, and the product deformation is prevented; the movable air cylinder 3.2 is connected with the drawing plate base 3.3, when the blanking cutter punches the product strips 5, the drawing plate 3.1 stretches out to hold the product, the difficult problem of distortion and deformation of the large-outer-diameter scattered sheet product during blanking is solved, after the blanking is finished, the drawing plate 3.1 is retracted to the bottom, the drawing plate extension rod 3.4 is separated from the product, and the product is taken away by the tail conveyor belt after falling down in order, so that the feeding of the subsequent product strips 5 is smooth; the upper part of the drawing board base 3.3 is provided with a drawing board cover board 3.5, the lower surface of the drawing board cover board 3.5 is propped against the upper surface of the drawing board base 3.3 and the upper surface of the drawing board 3.1, dust can be prevented from entering the drawing board mechanism 3, the drawing board 3.1 is prevented from being tilted, and the moving direction of the drawing board 3.1 is guided; the drawing plate extension rod 3.4 is welded with the drawing plate 3.1, the piston of the movable cylinder 3.2 can drive the drawing plate 3.1 to move back and forth, and the drawing plate extension rod 3.4 can be properly lengthened or shortened according to the size of a product so as to achieve a larger area capable of supporting the product; the thickness of the base backing plate 3.6 is increased or reduced, so that the height of the drawing plate 3.1 for supporting materials is convenient to adjust; when the strip material beating rod 4.1 is in a normal state, the lower surface of the strip material beating rod 4.1 and the lower surface of the strip material pressing jacking block 4.2 are positioned at the same horizontal plane, damage to products is avoided, when the products are sucked up by the strip material pressing jacking block 4.2, the strip material beating rod 4.1 moves in the opposite direction relative to the moving direction of the strip material pressing jacking block 4.2 under the action of the pressing spring 4.3, so that the products are separated from the strip material pressing jacking block 4.2, and the phenomenon that the punched products are sucked up by the strip material pressing jacking block 4.2 under the condition of punching oil is avoided; the lower surface of the strip material pressing top block 4.2 and the lower surface of the slitting male die 1.1 are positioned on the same horizontal line, so that the phenomenon that the product is bent due to the fact that the height difference exists between the strip material pressing top block 4.2 and the slitting male die 1.1 is avoided.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified in various ways, or of being applied to other applications without modification, without departing from the scope of the utility model.
Claims (8)
1. Blanking equipment with hold in palm material device that prevents product distortion, blanking equipment includes blank mechanism (1), product strip (5), upper die base (6.1), die holder (6.2), the upper portion of die holder (6.2) is located to product strip (5), blank mechanism (1) are including cutting terrace die (1.1), cutting die (1.2), locate in cutting terrace die (1.1) upper die base (6.1), locate in cutting die (1.2) die holder (6.2), its characterized in that: the material supporting device comprises a floating mechanism (2) and a plate drawing mechanism (3) which are arranged on the lower die holder (6.2), the floating mechanism (2) is arranged at the rear end of the slitting female die (1.2), the plate drawing mechanism (3) is arranged at the rear end of the floating mechanism (2), and the plate drawing mechanism (3) is arranged on two sides of the product strip (5).
2. A blanking apparatus having a holding means for preventing distortion of a product as claimed in claim 1, wherein: the floating mechanism (2) comprises a floating supporting plate (2.1) and a floating spring (2.2), the lower die holder (6.2) is provided with a first groove, the floating supporting plate (2.1) is arranged in the first groove, the upper surface of the floating supporting plate (2.1) is higher than the upper surface of the lower die holder (6.2), and the floating spring (2.2) is arranged between the floating supporting plate (2.1) and the lower die holder (6.2).
3. A blanking apparatus having a holding means for preventing distortion of a product as claimed in claim 1, wherein: the drawing plate mechanism (3) comprises a drawing plate (3.1), a movable air cylinder (3.2) and a drawing plate base (3.3), wherein the drawing plate base (3.3) is connected with a lower die holder (6.2), the drawing plate base (3.3) is provided with a second groove, the drawing plate (3.1) is internally arranged in the second groove, the outer side of the drawing plate (3.1) is connected with a push rod of the movable air cylinder (3.2), and the movable air cylinder (3.2) is connected with the drawing plate base (3.3).
4. A blanking apparatus having a holding means for preventing distortion of a product as claimed in claim 3, wherein: the upper portion of taking out board base (3.3) is equipped with takes out board apron (3.5), the lower surface of taking out board apron (3.5) offsets with the upper surface of taking out board base (3.3) and the upper surface of taking out board (3.1).
5. A blanking apparatus having a holding means for preventing distortion of a product as claimed in claim 3, wherein: the inner side of the drawing plate (3.1) is provided with a drawing plate extension rod (3.4), and the setting direction of the drawing plate extension rod (3.4) is perpendicular to the moving direction of the drawing plate (3.1).
6. A blanking apparatus having a holding means for preventing distortion of a product as claimed in claim 3, wherein: the lower die holder (6.2) comprises a forming base (6.2.1) arranged at the lower part, and a base pad (3.6) is arranged between the drawing board base (3.3) and the forming base (6.2.1).
7. A blanking apparatus having a holding means for preventing distortion of a product as claimed in claim 1, wherein: the automatic feeding and discharging device is characterized in that a material pressing mechanism (4) is arranged in an upper die holder (6.1) area corresponding to the upper portion of the floating mechanism (2), the material pressing mechanism (4) comprises a material pressing rod (4.1), a material pressing ejection block (4.2) and a material pressing spring (4.3), the material pressing ejection block (4.2) is arranged in the material pressing rod (4.1), the upper surface of the material pressing ejection block (4.2) is abutted against the upper die holder (6.1), a material pressing spring (4.3) is arranged between the material pressing rod (4.1) and the upper die holder (6.1), one end of the material pressing spring (4.3) is abutted against the material pressing rod (4.1), the other end of the material pressing spring is abutted against the upper surface of the upper die holder (6.1), and the lower surface of the material pressing rod (4.1) is lower than the lower surface of the material pressing ejection block (4.2).
8. A blanking apparatus having a holding means for preventing distortion of a product as set forth in claim 7, wherein: the lower surface of the strip material pressing top block (4.2) and the lower surface of the slitting male die (1.1) are positioned on the same horizontal line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322774451.8U CN221133728U (en) | 2023-10-17 | 2023-10-17 | Blanking equipment with hold in palm material device that prevents product distortion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322774451.8U CN221133728U (en) | 2023-10-17 | 2023-10-17 | Blanking equipment with hold in palm material device that prevents product distortion |
Publications (1)
Publication Number | Publication Date |
---|---|
CN221133728U true CN221133728U (en) | 2024-06-14 |
Family
ID=91418968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322774451.8U Active CN221133728U (en) | 2023-10-17 | 2023-10-17 | Blanking equipment with hold in palm material device that prevents product distortion |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN221133728U (en) |
-
2023
- 2023-10-17 CN CN202322774451.8U patent/CN221133728U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN221133728U (en) | Blanking equipment with hold in palm material device that prevents product distortion | |
CN113996708B (en) | Continuous stamping die for cap-shaped parts | |
CN210877059U (en) | Link plate assembling die | |
CN113618841A (en) | Cross cutting high efficiency stamping device | |
CN218460609U (en) | Continuous punching die for plate parts | |
TWM589595U (en) | Fully automatic continuous stamping forming system | |
CN213052348U (en) | Progressive die for product with very high bending height | |
CN213968590U (en) | Support bending device | |
CN219746045U (en) | Sheet metal part continuous stamping die | |
CN220406834U (en) | Automatic rotatory punching press riveting die | |
CN219851664U (en) | Side edge excess material trimming die for automatic multi-station stamping forming processing of automobile outer beam | |
CN217890082U (en) | Continuous stamping die of pin protection shell fragment | |
CN216540469U (en) | Stamping progressive die | |
CN213223902U (en) | Blanking and discharging mechanism of blanking machine | |
CN220497436U (en) | Automatic bending and automatic stamping forming combined mechanism for polygonal bending center | |
CN217665802U (en) | Device and hardware mould are cut in inside even book area of hardware mould | |
CN222001517U (en) | Stamping die | |
CN217252068U (en) | Punching and riveting integrated device | |
CN217798492U (en) | Continuous stamping die of optic fibre stationary blade | |
CN219650094U (en) | Double-optical-axis supporting directional die cutting machine | |
CN213530427U (en) | High-precision mold for producing automobile headlamp bracket | |
CN220560170U (en) | Automobile part stamping die with good stability | |
CN219944392U (en) | Feeding mechanism | |
CN212019089U (en) | Automatic discharging and separating die for baking tray | |
CN220280641U (en) | Stamping die and device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |