CN221066589U - Low noise type high pressure water jet cutter - Google Patents
Low noise type high pressure water jet cutter Download PDFInfo
- Publication number
- CN221066589U CN221066589U CN202322718179.1U CN202322718179U CN221066589U CN 221066589 U CN221066589 U CN 221066589U CN 202322718179 U CN202322718179 U CN 202322718179U CN 221066589 U CN221066589 U CN 221066589U
- Authority
- CN
- China
- Prior art keywords
- base
- water
- utility
- model
- pressure water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 238000005520 cutting process Methods 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 8
- 238000004064 recycling Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
- 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
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model relates to the technical field of water jet cutters, and discloses a low-noise high-pressure water jet cutter, which comprises a base and also comprises the following components; the cutting plate is movably arranged at the top of the base; and the baffle is fixedly arranged at the top of the base. According to the utility model, the motor is started, the threaded rod is driven to rotate by the motor, the transverse plate is driven to move forwards by the rotation of the threaded rod, the sliding block is driven to move forwards in the limiting groove by the forward movement of the transverse plate I, and at the moment, the transverse plate II is extruded by the transverse plate I and the telescopic rod II, so that the transverse plate II moves forwards to fix the cutting plate.
Description
Technical Field
The utility model relates to the technical field of water jet cutters, in particular to a low-noise high-pressure water jet cutter.
Background
The current water jet cutter is widely applied to cutting various stones, the water jet cutter has the advantages of no heating, no pollution and no deformation in cutting, the water jet cutter comprises a high-pressure forming device for generating high-pressure water and a working platform for cutting a workpiece to be processed, when the water jet cutter is used, the workpiece to be processed is placed on the working platform, energy is stored through the high-pressure forming device, high-pressure water flow is conveyed to a water jet cutter head, the cutting plate is required to be fixed before cutting, each fixing pile at each position in the fixing process is required to be finely adjusted in the prior art, the cutting plate can be fixed, so that time is wasted, the workload and the labor intensity of workers are increased, each fixing pile can only finely adjust and fix the cutting plate and the cutting plate cannot be completely fixed, and therefore, the cutting plate is wasted and the cut cutting plate is unqualified, and therefore, the low-noise type high-pressure water jet cutter is provided to solve the problems.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides the low-noise high-pressure water jet cutter which has the advantage of stable clamping.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the low-noise high-pressure water jet cutter comprises a base and also comprises;
the cutting plate is movably arranged at the top of the base;
The baffle is fixedly arranged at the top of the base;
The clamping mechanism is arranged at the top of the base and comprises a motor, a first transverse plate, a spring, a second telescopic rod, a second transverse plate, a limiting groove, a sliding block and a threaded rod, wherein the limiting groove is formed in the outer surface of the baffle, the sliding block is movably mounted in the limiting groove, the first transverse plate is fixedly mounted on the front surface of the baffle, the threaded rod is movably mounted in the first transverse plate, the second telescopic rod is fixedly mounted at one end of the first transverse plate, the second transverse plate is fixedly mounted at one end of the second telescopic rod, the spring is fixedly mounted between the first transverse plate and the second telescopic rod, and the motor is fixedly mounted at one end of the threaded rod.
As a preferable technical scheme of the utility model, the utility model also comprises;
The cutting mechanism is arranged on the base and comprises a connecting rod, a hydraulic cylinder, a fixing plate, a sliding plate, a telescopic rod I, a high-pressure water knife and a water tank I, wherein the recycling component is fixedly arranged at the top of the base, the connecting rod is fixedly arranged inside the fixing plate, the hydraulic cylinder is movably arranged inside the fixing plate, the sliding plate is movably arranged on the outer surface of the connecting rod, the telescopic rod I is fixedly arranged on the front surface of the sliding plate, the water tank I is fixedly arranged at the bottom of the high-pressure water knife, the high-pressure water knife is fixedly arranged at the bottom of the water tank I, and the recycling component is fixedly arranged at the bottom of the base.
As the preferable technical scheme of the utility model, the recycling assembly is arranged at the bottom of the base and comprises a water outlet pipe, a water tank II, a water leakage groove, a water inlet pipe, a fixed support and a water pump, wherein the water outlet pipe is fixedly arranged at one end of the water tank I, the water tank II is movably arranged at the bottom of the base, the water leakage groove is arranged in the base, the water inlet pipe is fixedly arranged on the right side of the base, and the water pump is fixedly arranged at one end of the water inlet pipe.
As the preferable technical scheme of the utility model, the springs and the telescopic rods are arranged in pairs, and four groups are arranged between the transverse plates II and the transverse plates I.
As a preferable technical scheme of the utility model, the utility model also comprises;
the water leakage groove is in an array mode, and the water leakage groove is provided with six groups of bases.
As a preferable technical scheme of the utility model, the utility model also comprises;
The fixed bolster, fixed bolster fixed mounting is in the right side of water tank two, the fixed bolster presents the shape of U-shaped.
As a preferable technical scheme of the utility model, the utility model also comprises;
The fixed column, fixed column fixed mounting is in the bottom of base, the fixed column presents four big or small the same around the base.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the motor is started, the threaded rod is driven to rotate by the motor, the transverse plate is driven to move forwards by the rotation of the threaded rod, the sliding block is driven to move forwards in the limiting groove by the forward movement of the transverse plate I, and at the moment, the transverse plate II is extruded by the transverse plate I and the telescopic rod II, so that the transverse plate II moves forwards to fix the cutting plate.
2. According to the utility model, the cutting board is fixed through the clamping mechanism, the first water tank and the high-pressure water knife are driven downwards through the telescopic rod to be in close contact, water is injected into the first water tank through cyclic use, the sliding plate slowly moves on the outer surface of the connecting rod through starting the hydraulic cylinder, and the cutting board is cut.
Drawings
FIG. 1 is a schematic view of the front perspective appearance of the structure of the present utility model;
FIG. 2 is a schematic view of the rear perspective view of the structure of the present utility model;
FIG. 3 is a schematic view of a front perspective cross-sectional structure of the present utility model;
FIG. 4 is a schematic top view of the clamping mechanism of the present utility model;
Fig. 5 is a schematic top view of the present utility model.
In the figure: 1. a base; 2. fixing the column; 3. a connecting rod; 4. a hydraulic cylinder; 5. a fixing plate; 6. a water outlet pipe; 7. a slide plate; 8. a first telescopic rod; 9. a high-pressure water knife; 10. a first water tank; 11. a second water tank; 12. a water leakage groove; 13. a water inlet pipe; 14. a fixed bracket; 15. a water pump; 16. a baffle; 17. a motor; 18. a transverse plate I; 19. a spring; 20. a second telescopic rod; 21. a transverse plate II; 22. a limit groove; 23. a slide block; 24. a threaded rod; 25. cutting the plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, the present utility model provides a low noise type high pressure water jet cutter, comprising a base 1, and further comprising;
The cutting plate 25 is movably arranged on the top of the base 1;
the baffle 16 is fixedly arranged on the top of the base 1;
The clamping mechanism is arranged at the top of the base 1 and comprises a motor 17, a first transverse plate 18, a spring 19, a second telescopic rod 20, a second transverse plate 21, a limiting groove 22, a sliding block 23 and a threaded rod 24, wherein the limiting groove 22 is formed in the outer surface of the baffle 16, the sliding block 23 is movably mounted in the limiting groove 22, the first transverse plate 18 is fixedly mounted on the front surface of the baffle 16, the threaded rod 24 is movably mounted in the first transverse plate 18, the second telescopic rod 20 is fixedly mounted at one end of the first transverse plate 18, the second transverse plate 21 is fixedly mounted at one end of the second telescopic rod 20, the spring 19 is fixedly mounted between the first transverse plate 18 and the second telescopic rod 20, and the motor 17 is fixedly mounted at one end of the threaded rod 24.
The staff puts into the top of base 1 with cutting board 25 earlier, at this moment need cutting board 25 to fix, then need turn on motor 17, drive threaded rod 24 through the rotation of motor 17 and rotate, drive diaphragm one 18 and move forward through the rotation of threaded rod 24, move forward through diaphragm one 18, drive slider 23 and slowly move in spacing groove 22's inside, at this moment extrude telescopic link two 20 through diaphragm one 18, extrude spring 19 through telescopic link two 20, extrude diaphragm two 21 through the simultaneous forward movement of telescopic link two 20 and spring 19, extrude through the simultaneous extrusion of diaphragm two 21, just so can fix cutting board 25.
The cutting board 25 is placed at the top of the base 1, the motor 17 is started, the threaded rod 24 is driven to rotate through the motor 17, the first transverse board 18 is driven to move forwards through the rotation of the threaded rod 24, the sliding block 23 is driven to move slowly in the limiting groove 22 through the forward movement of the first transverse board 18, the second telescopic rod 20 and the spring 19 are extruded through the first transverse board 18, the second transverse board 21 moves forwards to fix the cutting board 25, and compared with a traditional device, the device extrudes the second transverse board 21 through the spring 19, the cutting board 25 can be well fixed, the stability of the cutting board 25 in the cutting process is guaranteed, the mode is easy to operate, automation is convenient to achieve, labor intensity of workers is reduced, and production efficiency is improved.
Wherein, also include;
the cutting mechanism is arranged on the base 1 and comprises a connecting rod 3, a hydraulic cylinder 4, a fixed plate 5, a sliding plate 7, a telescopic rod 8, a high-pressure water knife 9 and a water tank 10, wherein the recycling component is fixedly arranged at the top of the base 1, the connecting rod 3 is fixedly arranged in the fixed plate 5, the hydraulic cylinder 4 is movably arranged in the fixed plate 5, the sliding plate 7 is movably arranged on the outer surface of the connecting rod 3, the telescopic rod 8 is fixedly arranged on the front surface of the sliding plate 7, the water tank 10 is fixedly arranged at the bottom of the high-pressure water knife 9, the high-pressure water knife 9 is fixedly arranged at the bottom of the water tank 10, and the recycling component is fixedly arranged at the bottom of the base 1.
Staff fixes cutting board 25 through fixture, and at this moment has also moved down to having driven water tank one 10 through telescopic link one 8 and has also moved down through water tank one 10 and have driven high-pressure water sword 9 and also moved down for high-pressure water sword 9 and cutting board 25 in close contact, carries out the water injection through the cyclic utilization to the inside of water tank one 10, opens pneumatic cylinder 4 at this time, promotes through pneumatic cylinder 4 for slide 7 carries out the slow movement on the surface of connecting rod 3, thereby accomplishes the cutting to cutting board 25.
Fix cutting board 25 through fixture, first 10 and the high-pressure water sword 9 of water tank have been driven simultaneously to move down through telescopic link first 8 for high-pressure water sword 9 and cutting board 25 in close contact, carry out the water injection to the inside of first 10 of water tank through cyclic utilization, through opening pneumatic cylinder 4, make slide 7 at the surface of connecting rod 3 slowly move, accomplish the cutting to cutting board 25, compare with traditional device, the device is through the cooperation between pneumatic cylinder 4 and slide 7, can finely cut cutting board 25, provide stable water source for the cutting knot through cyclic utilization subassembly simultaneously, thereby make the cutting more stable when using, operating efficiency has been improved.
The recycling assembly is arranged at the bottom of the base 1 and comprises a water outlet pipe 6, a water tank II 11, a water leakage groove 12, a water inlet pipe 13, a fixed support 14 and a water pump 15, wherein the water outlet pipe 6 is fixedly arranged at one end of the water tank I10, the water tank II 11 is movably arranged at the bottom of the base 1, the water leakage groove 12 is arranged in the base 1, the water inlet pipe 13 is fixedly arranged at the right side of the base 1, and the water pump 15 is fixedly arranged at one end of the water inlet pipe 13.
The staff opens the water pump 15 earlier, absorbs water through inlet tube 13 in the inside of water tank two 11 for water gets into through the inside of water pump 15 entering outlet pipe 6, supplies water for cutting mechanism through outlet pipe 6, and the water that cutting mechanism produced then can flow into the inside of water tank two 11 through water leakage groove 12, and such cyclic utilization makes the water resource can be fine use, has improved water resource utilization efficiency, has avoided the water resource waste.
The springs 19 and the telescopic rods 20 are arranged in pairs, and four groups are arranged between the transverse plates 21 and 18.
Because the springs 19 and the telescopic rods 20 are arranged in pairs, four groups are arranged between the transverse plates 21 and 18, the transverse plates 21 can be clamped, stability in cutting is guaranteed, and the use efficiency of the clamping mechanism is improved.
Wherein, also include;
A water leakage groove 12, wherein the water leakage groove 12 is in an array form, and the water leakage groove 12 is provided with six groups of interiors of the bases 1.
Because the water leakage groove 12 is in an array form in the base 1, water generated by the cutting mechanism can flow into the water tank II 11 directly, the phenomenon that the cutting plate 25 is soaked in water for a long time to influence the production quality of the cutting plate 25 is avoided, and the utilization rate of the cutting plate 25 is improved in such a way.
Wherein, also include;
The fixed support 14, the fixed support 14 is fixedly installed on the right side of the second water tank 11, and the fixed support 14 presents a U-shaped shape.
Because the fixing bracket 14 presents a U-shaped shape, the water pump 15 can be well protected, and the stability of the water pump 15 in operation is improved.
Wherein, also include;
The fixed column 2, fixed column 2 fixed mounting is in the bottom of base 1, fixed column 2 presents four size same around base 1.
Because the fixing columns 2 are four in size and the same around the base 1, the fixing effect is achieved for the base 1, the stability of the whole device in use is improved, and the whole device is prevented from tilting in operation.
The working principle and the using flow of the utility model are as follows:
The staff puts into the top of base 1 with cutting board 25 earlier, at this moment need cutting board 25 to fix, then need turn on motor 17, drive threaded rod 24 through the rotation of motor 17 and rotate, drive diaphragm one 18 and move forward through the rotation of threaded rod 24, move forward through diaphragm one 18, drive slider 23 and slowly move in spacing groove 22's inside, at this moment extrude telescopic link two 20 through diaphragm one 18, extrude spring 19 through telescopic link two 20, extrude diaphragm two 21 through the simultaneous forward movement of telescopic link two 20 and spring 19, extrude through the simultaneous extrusion of diaphragm two 21, just so can fix cutting board 25.
Staff fixes cutting board 25 through fixture, and at this moment has also moved down to having driven water tank one 10 through telescopic link one 8 and has also moved down through water tank one 10 and have driven high-pressure water sword 9 and also moved down for high-pressure water sword 9 and cutting board 25 in close contact, carries out the water injection through the cyclic utilization to the inside of water tank one 10, opens pneumatic cylinder 4 at this time, promotes through pneumatic cylinder 4 for slide 7 carries out the slow movement on the surface of connecting rod 3, thereby accomplishes the cutting to cutting board 25.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a low noise formula high pressure water sword cutterbar, includes base (1), its characterized in that: the utility model also comprises;
the cutting plate (25) is movably arranged at the top of the base (1);
the baffle (16) is fixedly arranged at the top of the base (1);
The clamping mechanism is arranged at the top of the base (1), and comprises a motor (17), a first transverse plate (18), a spring (19), a second telescopic rod (20), a second transverse plate (21), a limiting groove (22), a sliding block (23) and a threaded rod (24), wherein the limiting groove (22) is formed in the outer surface of the baffle (16), the sliding block (23) is movably arranged in the limiting groove (22), the first transverse plate (18) is fixedly arranged on the front surface of the baffle (16), the threaded rod (24) is movably arranged in the first transverse plate (18), the second telescopic rod (20) is fixedly arranged at one end of the first transverse plate (18), the second transverse plate (21) is fixedly arranged at one end of the second telescopic rod (20), and the spring (19) is fixedly arranged between the first transverse plate (18) and the second telescopic rod (20), and the motor (17) is fixedly arranged at one end of the threaded rod (24).
2. The low noise high pressure water jet cutter according to claim 1, wherein: the utility model also comprises;
Cutting mechanism, it sets up in the top of base (1), including connecting rod (3), pneumatic cylinder (4), fixed plate (5), slide (7), telescopic link one (8), high-pressure water sword (9), water tank one (10), cyclic utilization subassembly, fixed plate (5) fixed mounting is in the top of base (1), connecting rod (3) fixed mounting is in the inside of fixed plate (5), pneumatic cylinder (4) movable mounting is in the inside of fixed plate (5), slide (7) movable mounting is in the surface of connecting rod (3) telescopic link one (8) fixed mounting is in the front of slide (7), the bottom of high-pressure water sword (9) is fixed to water tank one (10), cyclic utilization subassembly fixed mounting base (1) is in the bottom.
3. The low noise high pressure water jet cutter according to claim 2, wherein: the utility model provides a recycling subassembly, it sets up in the bottom of base (1), including outlet pipe (6), water tank two (11), water leakage groove (12), inlet tube (13), fixed bolster (14), water pump (15), outlet pipe (6) fixed mounting is in the one end of water tank one (10), water tank two (11) movable mounting is in the bottom of base (1), water leakage groove (12) are seted up in the inside of base (1), inlet tube (13) fixed mounting is on the right side of base (1), water pump (15) fixed mounting is in the one end of inlet tube (13).
4. The low noise high pressure water jet cutter according to claim 1, wherein: the springs (19) and the telescopic rods (20) are arranged in pairs, and four groups are arranged between the transverse plates (21) and the transverse plates (18).
5. The low noise high pressure water jet cutter according to claim 1, wherein: the utility model also comprises;
the water leakage groove (12), the water leakage groove (12) presents the form of an array, the water leakage groove (12) is provided with six groups of interiors of the bases (1), and the interiors of the bases (1) are provided with the water leakage groove.
6. The low noise high pressure water jet cutter according to claim 1, wherein: the utility model also comprises;
The fixing support (14), the right side of fixing support (14) fixed mounting in water tank two (11), fixing support (14) presents the shape of U-shaped.
7. The low noise high pressure water jet cutter according to claim 1, wherein: the utility model also comprises;
The fixing column (2), fixed column (2) fixed mounting is in the bottom of base (1), fixed column (2) presents four size same around base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322718179.1U CN221066589U (en) | 2023-10-10 | 2023-10-10 | Low noise type high pressure water jet cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322718179.1U CN221066589U (en) | 2023-10-10 | 2023-10-10 | Low noise type high pressure water jet cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221066589U true CN221066589U (en) | 2024-06-04 |
Family
ID=91263996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322718179.1U Active CN221066589U (en) | 2023-10-10 | 2023-10-10 | Low noise type high pressure water jet cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221066589U (en) |
-
2023
- 2023-10-10 CN CN202322718179.1U patent/CN221066589U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221066589U (en) | Low noise type high pressure water jet cutter | |
| CN210589591U (en) | Carbon fiber tube cutting device with cleaning water recycling function | |
| CN109434350B (en) | Automatic assembly device suitable for cross beam parts of various marine diesel engine frames | |
| CN213320270U (en) | Production of fire-retardant car cushion is with tailorring device | |
| CN213996352U (en) | Automatic paint spraying device for automobile parts | |
| CN204584415U (en) | A kind of full-automatic curtain wall material machining center | |
| CN114274660A (en) | Printing device and printing method for low-power-consumption ultrathin light guide plate | |
| CN115416086A (en) | 60m sponge industrialized efficient circular cutting equipment and production process | |
| CN212421453U (en) | Leftover material cutting device is used in production of intelligent classification garbage bin | |
| CN210969778U (en) | Silica gel rubber cap edge cutting device of water dispenser | |
| CN209699785U (en) | Seat cushion curtain water gap cutting device | |
| CN209207057U (en) | Tubing zeroing fixture in fully automatic cutting machine | |
| CN220741321U (en) | Cutting device of heat preservation cotton | |
| CN212579028U (en) | Cooling device for computer host shell mold | |
| CN221269867U (en) | Cutting device is used in aluminium box processing | |
| CN211104496U (en) | Log cutting device is used in building templates production | |
| CN220388043U (en) | Steel plate cutting device | |
| CN215358707U (en) | Novel MBR diaphragm cutting device | |
| CN212554028U (en) | Edge trimming device for plates on plate production line | |
| CN213198639U (en) | Mouth of a river device is cut to plastic injection molding | |
| CN218576336U (en) | Be used for biomembrane to tailor device | |
| CN216126409U (en) | Horizontal arc punching device | |
| CN221161634U (en) | Compression molding device for flexible graphite bipolar plate | |
| CN217433379U (en) | Double-station laser cutting machine | |
| CN220428559U (en) | Acrylic sound barrier panel processing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |