CN218696906U - Die-casting burr punching device - Google Patents
Die-casting burr punching device Download PDFInfo
- Publication number
- CN218696906U CN218696906U CN202222746639.7U CN202222746639U CN218696906U CN 218696906 U CN218696906 U CN 218696906U CN 202222746639 U CN202222746639 U CN 202222746639U CN 218696906 U CN218696906 U CN 218696906U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- side wall
- die
- plate
- frame
- 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
Images
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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model relates to a die-cut device technical field of die casting, and a die-cut device of die casting deckle edge is disclosed, comprising a base plate, two first pneumatic cylinders of the last lateral wall symmetry fixedly connected with of bottom plate, two the same lifter plate of upper end fixedly connected with of first pneumatic cylinder, the last lateral wall fixedly connected with of lifter plate encloses the frame, enclose the first motor of the equal fixedly connected with of the left and right sides outer wall of frame, two the output of first motor runs through the lateral wall and the fixedly connected with second pneumatic cylinder that enclose the frame. The utility model discloses can utilize die-cut device to rotate when die-cut to the deckle edge around the product, make the profile of electronic roller of polishing laminating product all the time reciprocate to can fully polish the deckle edge on irregular product surface, improve die-cut device's application scope and can adsorb the iron fillings that clear up down automatically, provide a good working range for operating personnel.
Description
Technical Field
The utility model relates to a die-cut device technical field of die casting especially relates to a die-cut device of die casting deckle edge.
Background
The die casting is a part for pressure casting, and is a pressure casting mechanical die casting machine which is provided with a casting die, copper, zinc, aluminum or aluminum alloy and other metals which are heated into liquid are poured into a feeding port of the die casting machine, and the copper, zinc, aluminum parts or aluminum alloy parts with the shapes and sizes limited by the die are cast through die casting of the die casting machine.
A die casting deckle edge die-cutting device that patent No. CN212884931U proposed, the device is when using, need carry out centre gripping rotation to the die casting, then adjust the height of polishing piece and polish the deckle edge around the die casting, the height of polishing piece can not change along with the shape of die casting in the in-process of polishing, that is to say not use in anomalous die casting, when polishing anomalous die casting, polish protruding product itself very easily, also can not polish sunken deckle edge easily, there is great use limitation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving blanking device when using among the prior art, it is rotatory to need carry out the centre gripping to the die casting, then adjust the height of polishing piece and polish to the deckle edge around the die casting, the height of polishing piece can not change along with the shape of die casting at the in-process of polishing, that is to say not use in anomalous die casting, when polishing anomalous die casting, polish protruding product itself very easily, also polish easily not to sunken deckle edge, there is the problem that great use was restricted, and the die-cut device of die casting deckle edge that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a die-cut device of die casting deckle edge, includes the bottom plate, two first pneumatic cylinders of the last lateral wall symmetry fixedly connected with of bottom plate, two the same lifter plate of upper end fixedly connected with of first pneumatic cylinder, the last lateral wall fixedly connected with of lifter plate encloses the frame, enclose the equal first motor of fixedly connected with of the left and right sides outer wall of frame, two the output of first motor runs through the lateral wall and the fixedly connected with second pneumatic cylinder that enclose the frame, two the equal fixedly connected with grip block of output of second pneumatic cylinder, the last lateral wall fixedly connected with connecting plate of bottom plate, the lateral wall fixedly connected with third pneumatic cylinder of connecting plate, the output fixedly connected with bent plate of third pneumatic cylinder, the lateral wall of bent plate rotates and is connected with the screw thread section of thick bamboo, the fixed cover of outer wall of screw thread section of thick bamboo is equipped with the awl ring gear, the last lateral wall fixedly connected with second motor of bent plate, the output fixedly connected with bevel gear of second threaded rod, the screw thread section of thick bamboo internal thread has cup jointed
The lower extreme fixedly connected with backup pad of threaded rod, the same elastic plate of lower lateral wall through many first spring fixedly connected with of backup pad, the electronic grinding roller that beats of lower lateral wall fixedly connected with of elastic plate, two support sections of thick bamboo of lower lateral wall fixedly connected with of elastic plate and support section of thick bamboo internal rotation and be connected with the supporting wheel, the lower lateral wall parallel and level of lower lateral wall of supporting wheel and electronic grinding roller.
Preferably, the lower side wall of the supporting plate is fixedly connected with two guide rods, and the upper side wall of the elastic plate is fixedly connected with two guide cylinders matched with the guide rods.
Adopt above-mentioned technical scheme: the stability that electronic grinding roller reciprocated has been improved.
Preferably, enclose the inner wall of frame and seted up the suction chamber, a plurality of dust absorption holes have been seted up to the lateral wall in suction chamber, the back lateral wall fixedly connected with dust absorption pump of enclosing the frame, the inlet end of dust absorption pump and the fixed intercommunication of lateral wall in suction chamber, the back lateral wall fixedly connected with who encloses frame (4) collects the frame, the lateral wall of collecting the frame articulates there is the baffle.
Adopt above-mentioned technical scheme: the scrap iron can be automatically adsorbed and cleaned, and a good working range is provided for operators.
Preferably, the lower side wall of collection frame and baffle is equal fixedly connected with cardboard, two the cardboard overcoat is equipped with same card frame, the lateral wall of card frame has been seted up spacing hole and spacing downthehole interpolation and has been connected with the spacer pin, two the lateral wall of cardboard all sets up the cross bore that matches each other with the spacer pin, the left end fixedly connected with arm-tie of spacer pin and arm-tie and the relative lateral wall fixedly connected with same root second spring of one side of card frame.
Adopt above-mentioned technical scheme: the baffle is convenient to open to clean dust.
Preferably, the lower side wall of the bent plate is fixedly connected with two positioning sliding plates, and the rod wall of the threaded rod is provided with two positioning sliding grooves matched with the positioning sliding plates.
Adopt above-mentioned technical scheme: the threaded rod can be prevented from rotating, and can only move up and down in the vertical direction.
Preferably, the four corners of the lower side wall of the bottom plate are fixedly connected with rollers.
Adopt above-mentioned technical scheme: the convenience of the movement of the device can be improved.
Compared with the prior art, the utility model provides a die-cut device of die casting deckle edge possesses following beneficial effect:
1. this die-casting deckle edge die-cut device, bottom plate through setting up, first pneumatic cylinder, the lifter plate, enclose the frame, first motor, the second pneumatic cylinder, the grip block, the connecting plate, the third pneumatic cylinder, the bent plate, a screw thread section of thick bamboo, the awl ring, the second motor, bevel gear, the threaded rod, the backup pad, the elastic plate, electronic grinding roller, a supporting cylinder, the location slide, the supporting wheel, can be when utilizing die-cut device to rotate die-cut to deckle edge around the product, make the profile of electronic grinding roller product of laminating all the time reciprocate, thereby can fully polish the deckle edge on irregular product surface, the application scope of die-cut device has been improved.
2. This die-cut device of die casting deckle edge through dust absorption chamber, dust absorption hole, dust absorption pump, collection frame, the baffle that sets up, can adsorb the iron fillings that clear up down automatically, provides a good working range for operating personnel.
And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can make the profile of electronic roller of polishing laminating product all the time reciprocate when utilizing die-cut device to rotate die-cut around the product to can fully polish the deckle edge on irregular product surface, improve die-cut device's application scope and can adsorb the iron fillings that clear up down automatically, provide a good working range for operating personnel.
Drawings
Fig. 1 is a schematic structural diagram of a die casting burr punching device provided by the present invention;
fig. 2 is a schematic diagram of a position relationship of a dust suction pump in the die-casting burr punching device provided by the utility model;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1. a base plate; 2. a first hydraulic cylinder; 3. a lifting plate; 4. enclosing a frame; 5. a first motor; 6. a second hydraulic cylinder; 7. a clamping plate; 8. a connecting plate; 9. a third hydraulic cylinder; 10. Bending a plate; 11. a threaded barrel; 12. a bevel gear ring; 13. a second motor; 14. a bevel gear; 15. A threaded rod; 16. a support plate; 17. an elastic plate; 18. an electric grinding roller; 19. a support cylinder; 20. positioning the sliding plate; 21. a support wheel; 22. a guide bar; 23. a guide cylinder; 24. a dust suction chamber; 25. a dust collection hole; 26. a dust suction pump; 27. a collection frame; 28. a baffle plate; 29. clamping a plate; 30. Clamping a frame; 31. a spacing pin; 32. and (5) pulling the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a die casting burr punching device comprises a bottom plate 1, wherein rollers are fixedly connected with four corners of a lower side wall of the bottom plate 1, the moving convenience of the device can be improved, two first hydraulic cylinders 2 are symmetrically and fixedly connected with an upper side wall of the bottom plate 1, the upper ends of the two first hydraulic cylinders 2 are fixedly connected with a same lifting plate 3, an enclosure frame 4 is fixedly connected with the upper side wall of the lifting plate 3, first motors 5 are fixedly connected with the outer walls of the left side and the right side of the enclosure frame 4, output ends of the two first motors 5 penetrate through the side wall of the enclosure frame 4 and are fixedly connected with second hydraulic cylinders 6, output ends of the two second hydraulic cylinders 6 are fixedly connected with a clamping plate 7, and an upper side wall of the bottom plate 1 is fixedly connected with a connecting plate 8, the side wall of the connecting plate 8 is fixedly connected with a third hydraulic cylinder 9, the output end of the third hydraulic cylinder 9 is fixedly connected with a bent plate 10, the side wall of the bent plate 10 is rotatably connected with a threaded cylinder 11, the outer wall of the threaded cylinder 11 is fixedly sleeved with a bevel gear ring 12, the upper side wall of the bent plate 10 is fixedly connected with a second motor 13, the output end of the second motor 13 is fixedly connected with a bevel gear 14, a threaded rod 15 is sleeved in the threaded cylinder 11, the lower side wall of the bent plate 10 is fixedly connected with two positioning sliding plates 20, the rod wall of the threaded rod 15 is provided with two positioning sliding grooves matched with the positioning sliding plates 20, the threaded rod 15 can be prevented from rotating, and the threaded rod 15 can only move up and down in the vertical direction;
lower extreme fixedly connected with backup pad 16 of threaded rod 15, the same elastic plate 17 of the lower lateral wall of backup pad 16 through many first spring fixedly connected with, the electronic grinding roller 18 of polishing of lower lateral wall fixedly connected with of elastic plate 17, two guide bars 22 of the lower lateral wall fixedly connected with of backup pad 16, two guide cylinder 23 that match each other with guide bar 22 of the last lateral wall fixedly connected with of elastic plate 17, the stability that electronic grinding roller 18 reciprocated has been improved, two support cylinder 19 of the lower lateral wall fixedly connected with of elastic plate 17 and support cylinder 19 internal rotation and be connected with supporting wheel 21, the lower lateral wall parallel and level of the lower lateral wall of supporting wheel 21 and electronic grinding roller 18.
Enclose the inner wall of frame 4 and seted up suction chamber 24, a plurality of dust absorption holes 25 have been seted up to suction chamber 24's lateral wall, enclose frame 4's back lateral wall fixedly connected with dust absorption pump 26, dust absorption pump 26's inlet end and suction chamber 24's the fixed intercommunication of lateral wall, enclose the back lateral wall fixedly connected with of frame (4) and collect frame 27, the lateral wall of collecting frame 27 articulates there is baffle 28, can adsorb the iron fillings that clear up down automatically, provide a good working range for operating personnel. Collect equal fixedly connected with cardboard 29 of lower lateral wall of frame 27 and baffle 28, two cardboard 29 overcoat are equipped with same card frame 30, the lateral wall of card frame 30 has been seted up spacing hole and spacing downthehole interpolation and has been connected with spacer pin 31, the lateral wall of two cardboard 29 all sets up the cross bore that matches each other with spacer pin 31, the same root second spring of lateral wall fixedly connected with of the relative one side of spacer pin 31 left end fixedly connected with arm-tie 32 and card frame 30, conveniently open baffle 28 clearance dust.
The utility model discloses in, during the use, place the die-casting product between two grip blocks 7, then start the grip block 7 of the left and right sides and grasp the die-casting product, then start third pneumatic cylinder 9, it 18 to die-casting product deckle edge top to have adjusted electronic grinding roller, then start the work of second motor 13, second motor 13 drives screw cylinder 11 through mutually supporting of bevel gear 14 and bevel gear 12 and rotates, drive threaded rod 15 through screw-thread fit, backup pad 16, elastic plate 17 and electronic grinding roller 18 move down suitable position, make supporting wheel 21 and product contact each other, start first motor 5 in both sides control product slow rotation after that, utilize electronic grinding roller 18 to clear up the deckle edge of product, when meetting the protruding or depressed part of product, supporting wheel 21 reciprocates through supporting cylinder 19 control elastic plate 17, elastic plate 17 can drive electronic grinding roller 18 and reciprocate, make the outside profile of electronic grinding roller 18 laminating die-casting piece, can be when utilizing die-cut device to rotate die-cut around the product, make the profile of electronic grinding roller reciprocate the product profile all the time, thereby can fully grind the irregular surface of product, the improvement of the application scope of irregular product.
In general, the technical problem is addressed: when the blanking device is used, a die casting needs to be clamped and rotated, then burrs around the die casting are polished by adjusting the height of the polishing sheet, the height of the polishing sheet cannot be changed along with the shape of the die casting in the polishing process, namely the blanking device is not used for irregular die casting, when the irregular die casting is polished, a convex product is easily polished, sunken burrs cannot be polished easily, and the problem of large use limitation exists; the technical scheme is as follows: a die casting burr punching device comprises a bottom plate, wherein two first hydraulic cylinders are symmetrically and fixedly connected to the upper side wall of the bottom plate, the upper ends of the two first hydraulic cylinders are fixedly connected with the same lifting plate, the upper side wall of the lifting plate is fixedly connected with an enclosure frame, the outer walls of the left side and the right side of the enclosure frame are fixedly connected with first motors, the output ends of the two first motors penetrate through the side wall of the enclosure frame and are fixedly connected with second hydraulic cylinders, the output ends of the two second hydraulic cylinders are fixedly connected with clamping plates, the upper side wall of the bottom plate is fixedly connected with a connecting plate, the side wall of the connecting plate is fixedly connected with a third hydraulic cylinder, and the output end of the third hydraulic cylinder is fixedly connected with a bent plate; the technical scheme is implemented by the following steps: placing a die-casting product between two clamping plates 7, starting the clamping plates 7 on the left side and the right side to clamp the die-casting product, starting a third hydraulic cylinder 9, adjusting an electric grinding roller 18 to be above rough edges of the die-casting product, starting a second motor 13 to work, driving a threaded barrel 11 to rotate by the mutual matching of a bevel gear 14 and a bevel gear ring 12 through the second motor 13, driving a threaded rod 15, a support plate 16, an elastic plate 17 and the electric grinding roller 18 to move downwards to proper positions through thread matching, enabling the support wheel 21 to be in contact with the product, then starting the first motors 5 on the two sides to control the product to rotate slowly, cleaning the rough edges of the product through the electric grinding roller 18, and when convex or concave parts of the product are met, controlling the elastic plate 17 to move upwards and downwards through a support barrel 19 by the support wheel 21, driving the electric grinding roller 18 to move upwards and downwards by the elastic plate 17, and enabling the electric grinding roller 18 to be attached to the outer profile of a die-casting part; therefore, the technical problem can be solved certainly, and the technical effects are as follows: can utilize die-cut device to rotate die-cut the deckle edge around the product when, make the profile that electronic roller of polishing laminated the product all the time reciprocate to can fully polish the deckle edge on irregular product surface, improve the application scope of die-cut device and can adsorb the iron fillings that clear up down automatically, provide a good working range for operating personnel.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A die casting burr punching device comprises a bottom plate (1) and is characterized in that, the upper side wall of the bottom plate (1) is symmetrically and fixedly connected with two first hydraulic cylinders (2), the upper ends of the two first hydraulic cylinders (2) are fixedly connected with the same lifting plate (3), the upper side wall of the lifting plate (3) is fixedly connected with an enclosure frame (4), the outer walls of the left side and the right side of the enclosure frame (4) are fixedly connected with first motors (5), the output ends of the two first motors (5) penetrate through the side wall of the enclosure frame (4) and are fixedly connected with second hydraulic cylinders (6), the output ends of the two second hydraulic cylinders (6) are fixedly connected with clamping plates (7), the upper side wall of the bottom plate (1) is fixedly connected with a connecting plate (8), the side wall of the connecting plate (8) is fixedly connected with a third hydraulic cylinder (9), the output end of the third hydraulic cylinder (9) is fixedly connected with a bent plate (10), the side wall of the bent plate (10) is rotationally connected with a thread cylinder (11), the outer wall of the thread cylinder (11) is fixedly sleeved with a bevel gear ring (12), the upper side wall of the bent plate (10) is fixedly connected with a second motor (13), the output end of the second motor (13) is fixedly connected with a bevel gear (14), a threaded rod (15) is sleeved in an internal thread of the threaded barrel (11);
the lower extreme fixedly connected with backup pad (16) of threaded rod (15), the lower lateral wall of backup pad (16) is through the same elastic plate (17) of many first spring fixedly connected with, the electronic grinding roller (18) of lower lateral wall fixedly connected with of elastic plate (17), the lower lateral wall fixedly connected with of elastic plate (17) two support section of thick bamboo (19) and support section of thick bamboo (19) internal rotation and be connected with supporting wheel (21), the lower lateral wall parallel and level of the lower lateral wall of supporting wheel (21) and electronic grinding roller (18).
2. A die casting burr trimming device according to claim 1, characterized in that two guide rods (22) are fixedly connected to the lower side wall of the support plate (16), and two guide cylinders (23) which are matched with the guide rods (22) are fixedly connected to the upper side wall of the elastic plate (17).
3. The die-cutting device for burrs of die castings according to claim 1, wherein a dust suction cavity (24) is formed in the inner wall of the surrounding frame (4), a plurality of dust suction holes (25) are formed in the side wall of the dust suction cavity (24), a dust suction pump (26) is fixedly connected to the rear side wall of the surrounding frame (4), the air inlet end of the dust suction pump (26) is fixedly communicated with the side wall of the dust suction cavity (24), a collecting frame (27) is fixedly connected to the rear side wall of the surrounding frame (4), and a baffle (28) is hinged to the side wall of the collecting frame (27).
4. The die-casting burr punching device according to claim 3, wherein clamping plates (29) are fixedly connected to lower side walls of the collecting frame (27) and the baffle plate (28), the same clamping frame (30) is sleeved outside the two clamping plates (29), limiting holes are formed in side walls of the clamping frame (30), limiting pins (31) are inserted into the limiting holes, transverse holes matched with the limiting pins (31) are formed in side walls of the two clamping plates (29), pull plates (32) are fixedly connected to left ends of the limiting pins (31), and the same second spring is fixedly connected to the side wall of the opposite side of each pull plate (32) and the corresponding clamping frame (30).
5. The die casting burr trimming device according to claim 1, wherein two positioning slide plates (20) are fixedly connected to the lower side wall of the bending plate (10), and two positioning slide grooves matched with the positioning slide plates (20) are formed in the rod wall of the threaded rod (15).
6. A die casting burr blanking device according to claim 1, characterized in that rollers are fixedly attached to four corners of the lower side wall of the base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222746639.7U CN218696906U (en) | 2022-10-18 | 2022-10-18 | Die-casting burr punching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222746639.7U CN218696906U (en) | 2022-10-18 | 2022-10-18 | Die-casting burr punching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218696906U true CN218696906U (en) | 2023-03-24 |
Family
ID=85587028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222746639.7U Active CN218696906U (en) | 2022-10-18 | 2022-10-18 | Die-casting burr punching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218696906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564717A (en) * | 2023-11-14 | 2024-02-20 | 南京天翔机电有限公司 | Automobile die casting burr punching device |
-
2022
- 2022-10-18 CN CN202222746639.7U patent/CN218696906U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564717A (en) * | 2023-11-14 | 2024-02-20 | 南京天翔机电有限公司 | Automobile die casting burr punching device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218696906U (en) | Die-casting burr punching device | |
| CN218475877U (en) | Back plate stamping die | |
| CN210189348U (en) | Mould processing grinding device | |
| CN219582419U (en) | Metal product deburring jig | |
| CN218427395U (en) | Automatic edge trimming machine | |
| CN213795651U (en) | Clamping device for bakelite plate processing | |
| CN213351797U (en) | Sheet metal part grinding device | |
| CN212370951U (en) | High-efficient punching device is used in aluminum product processing | |
| CN213730856U (en) | A burring device for mould processing | |
| CN214055670U (en) | Turning and polishing integrated machine for numerical control machining | |
| CN218533898U (en) | Surface treatment device for casting parts | |
| CN216179253U (en) | Polishing device for processing non-standard metal workpiece | |
| CN219901441U (en) | Auxiliary mechanism of alloy end face trimming machine | |
| CN219409911U (en) | Metal plate derusting machine for metal plate surface heat treatment | |
| CN221364140U (en) | Burr cleaning device for metal powder metallurgy products | |
| CN221338128U (en) | Workpiece polishing device | |
| CN220498110U (en) | Filter screen processing equipment | |
| CN220680295U (en) | Hardware surface cleaning device | |
| CN220516304U (en) | Burr removing device with garbage collection function | |
| CN218059663U (en) | Multidirectional adjusting clamp for automatic down jacket template machine | |
| CN216830129U (en) | Grinding device is used in pump cover processing | |
| CN221135369U (en) | Chamfering and polishing equipment for metal castings | |
| CN221248158U (en) | Aluminum die casting surface polishing device | |
| CN212095775U (en) | Aluminum alloy die casting surface grinding device | |
| CN216371511U (en) | Three-phase asynchronous motor casing grinding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |