CN211415456U - Propelling movement cutting device - Google Patents
Propelling movement cutting device Download PDFInfo
- Publication number
- CN211415456U CN211415456U CN201921644649.1U CN201921644649U CN211415456U CN 211415456 U CN211415456 U CN 211415456U CN 201921644649 U CN201921644649 U CN 201921644649U CN 211415456 U CN211415456 U CN 211415456U
- Authority
- CN
- China
- Prior art keywords
- cutting device
- pushing
- cutting
- saw blade
- circular saw
- 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.)
- Expired - Fee Related
Links
- 230000033001 locomotion Effects 0.000 title abstract description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 74
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 74
- 241001330002 Bambuseae Species 0.000 claims abstract description 74
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 74
- 239000011425 bamboo Substances 0.000 claims abstract description 74
- 239000002023 wood Substances 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000006260 foam Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Sawing (AREA)
Abstract
The utility model discloses a pushing cutting device, which comprises a frame, a workbench, a pushing device and a cutting device, wherein the workbench is arranged on the frame in a matching way, and the pushing device and the cutting device are arranged on the workbench; the bamboo and wood long blocks are put into the workbench and pushed by the pushing device, and then are pushed to the cutting device for cutting. The utility model discloses a propelling movement cutting device, easy operation, automatic pushing, automatic cutout, the cutting size is accurate, adjustable, and is energy-concerving and environment-protective, and the cutting is of high quality, and is efficient, practices thrift the cost, moves the safety and stability.
Description
Technical Field
The utility model relates to a cutting technical field, in particular to propelling movement cutting device.
Background
In the bamboo wood processing process, the unnecessary uneven clout portion at two ends of the bamboo wood strip is often required to be cut off, and meanwhile, the bamboo wood strip with the clout at two ends is required to be cut into the number of sections with different sizes. Traditional bamboo wood cutting machine needs the manual work to cut off the rectangular one end clout of bamboo wood through the saw bit, and the rectangular other end upset of bamboo wood is come, cuts off the other end clout again, and the bamboo wood of having cut the both ends clout is rectangular through the saw bit at last, cuts into the several sections of the different length that correspond, and this just needs the manual work to measure out the not unidimensional on bamboo wood is rectangular and makes the mark, then cuts different section numbers in proper order.
A series of steps are repeated by a traditional bamboo-wood strip cutting machine to obtain a plurality of sections of bamboo-wood strips with different sizes. The following defects of the traditional bamboo wood strip cutting machine.
1. Manual operation, multiple steps, single-piece cutting, low cutting efficiency, high labor cost and time consumption.
2. The saw blade rotating at a high speed is cut by manual operation, so that potential safety hazards exist.
3. In the process of cutting bamboo wood, the high-speed operation of saw bit makes bamboo saw-dust fly away everywhere, not only causes workshop environmental pollution, but also needs the manual work to clean.
4. The cut size is not accurate and has errors.
5. The length and size of the bamboo and wood long blocks are not adjustable, and the bamboo and wood long blocks with larger length range can not be cut.
SUMMERY OF THE UTILITY MODEL
The patent of the utility model provides a propelling movement cutting device, easy operation, automatic pushing, automatic cutout, the cutting size is accurate, adjustable, and is energy-concerving and environment-protective, and the cutting is of high quality, and is efficient, practices thrift the cost, moves the safety and stability. In order to achieve the above-mentioned functions, the above technical problems of the present invention can be solved mainly by the following technical solutions:
the utility model discloses a pushing cutting device, which comprises a frame, a workbench, a pushing device and a cutting device, wherein the workbench is arranged on the frame in a matching way, and the pushing device and the cutting device are arranged on the workbench; the bamboo and wood long blocks are put into the workbench and pushed by the pushing device, and then are pushed to the cutting device for cutting.
Furthermore, the workstation is three, and the cooperation is provided with chain drive opening hole and circular saw blade cutting hole respectively on every workstation, and three workstation is a fixed station and two mobile workbench respectively, and what be connected with the frame fixed station is fixed station, but with frame swing joint be mobile workbench.
Further, the movable workbench is movably connected with the rack through a sliding rail.
Furthermore, the power device for driving the movable workbench to move comprises a ball screw pair, a fixed plate and a ball screw servo motor, wherein the ball screw servo motor is electrically connected with the ball screw pair, the fixed plate is fixed on a nut in the ball screw pair, and the fixed plate is fixedly connected with the movable workbench.
Furthermore, the pushing device is a chain transmission mechanism and comprises a pushing servo motor, a driving chain wheel, a chain and a driven chain wheel, limiting blocks are uniformly and fixedly arranged on the chain, the pushing servo motor is electrically connected with the driving chain wheel, and the driving chain wheel is meshed with the driven chain wheel through the chain.
Further, cutting device is circular saw blade cutting device, including circular saw blade, cutting servo motor, area drive mechanism, collection protection casing, cutting servo motor passes through the area drive mechanism and is connected with the circular saw blade, collects the protection casing setting and wraps up the circular saw blade outside the circular saw blade, collects the protection casing export and is connected with dust absorption pipeline's access.
Furthermore, the driving chain wheel, the chain and the driven chain wheel are arranged in the chain transmission opening hole in a matching mode, and the limiting block on the chain is exposed out of the workbench.
Further, the circular saw blade is arranged in the circular saw blade cutting hole in a matching mode, the circular saw blade is exposed out of the workbench, and the part, exposed out of the workbench, of the circular saw blade is 1/3 of the circular saw blade.
Further, still include the push down device, push down device pushes down bamboo wood long piece in the propelling movement process.
Further, the bamboo wood long block cutting machine further comprises a control system, the control system controls the coordination among the workbench, the pushing device and the cutting device, and the cutting device is started before the bamboo wood long block is pushed in place.
The utility model discloses a theory of operation and process.
When the circular saw blade cutting device works, the bamboo and wood long blocks are placed into the first limiting block at the starting end of the chain of the pushing device on the workbench, the control system starts the pushing device, the pushing servo motor in the pushing device is started to drive the driving chain wheel to rotate, the driving chain wheel drives the driven chain wheel to rotate through the chain, so that the chain is always in circular motion, the limiting blocks on the chain push the bamboo and wood long blocks to move forward when the chain rotates, the pressing device presses the upper part of the bamboo and wood long blocks downwards in the advancing process to prevent the bamboo and wood long blocks from tilting and even turning in the pushing process, the bamboo and wood long blocks are pushed to the circular saw blade in the cutting device along with the pushing of the limiting blocks, the cutting device is started by the control system before the bamboo and wood long blocks reach the circular saw blade perpendicular to the circular saw blade, the excess materials at the two ends and the middle part are cut off in the pushing process until the pushing device stops moving forward by the, waiting for the next bamboo wood long block to be put into and continuing to circulate pushing and cutting, and after the second bamboo wood long block is cut, pushing the first bamboo wood long block into the discharging equipment by the second bamboo wood long block.
Due to the arrangement of the pressing device, the bamboo and wood long blocks are not easy to jump upwards or even turn over when being transversely pushed, so that the normal transverse pushing of the bamboo and wood long blocks is influenced, and the transverse pushing operation is smoother.
At the saw blade cutting bamboo wood rectangular piece in-process, because the high-speed operation of saw blade, can produce a large amount of bamboo bits, the bamboo foam splashes everywhere, sets up outside the saw blade and collects the protection casing parcel and live the saw blade for bamboo bits, the bamboo foam is collected, rethread dust absorption pipeline inhales and concentrates the utilization, makes the clean fresh and cool nature of keeping of workshop environment, also need not clean bamboo bits, the bamboo foam that splashes all be everywhere, gives workshop personnel to create good operational environment simultaneously.
If the total length of cutting and the length that the middle part was cuted need to be changed, start power device through control system, power device starts, drive lead screw rotary motion through ball screw servo motor, lead screw rotary motion drives the removal of nut, the removal of nut drives the travelling worktable through the fixed plate and moves on the slide rail, thereby realize two travelling benches and the cutting device that the travelling worktable set up respectively between the distance adjustment, finally reach the cutting total length and the adjustment that the length was cuted in the middle part.
The beneficial effects of the utility model.
1. The utility model discloses a propelling movement cutting device, automatic propelling movement, automatic cutout, automatic control, degree of automation is high, and easy operation practices thrift the cost of labor, operation safety and stability.
2. The utility model discloses a propelling movement cutting device has reduced the upset step, can cut and cut the middle part to the both ends of bamboo wood long piece simultaneously, and cutting accuracy is high, and cutting quality is good, and cutting efficiency is high.
3. The utility model discloses a propelling movement cutting device, the length of bamboo wood rectangular block is adjustable with the size of cuting, satisfies more bamboo wood rectangular block length size's cutting demand.
4. The utility model discloses a propelling movement cutting device, the saw blade sets up the protection casing outward and makes bamboo bits, bamboo foam be siphoned away by dust absorption pipeline and concentrate the utilization, is favorable to the security assurance of workshop environment construction and cutting.
5. The utility model discloses a propelling movement cutting device, easy operation, automatic pushing, automatic cutout, the cutting size is accurate, adjustable, and is energy-concerving and environment-protective, and the cutting is of high quality, and is efficient, practices thrift the cost, moves the safety and stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model relates to a propelling movement cutting device schematic structure among bamboo wood automatic cutout machine.
In the figure: 1. a frame; 2. a work table; 21. fixing a workbench; 22. moving the working table; 23. a chain transmission open hole; 24. cutting holes by a circular saw blade; 3. a pushing device; 31. a drive sprocket; 32. a chain; 33. A driven sprocket; 34. a limiting block; 4. a cutting device; 41. a circular saw blade; 42. cutting the servo motor; 43. a belt drive mechanism; 44. collecting a protective cover; 5. a slide rail; 6. a pressing device; 7. and (5) controlling the system.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
As shown in fig. 1, the utility model discloses a pushing cutting device, which comprises a frame 1, a workbench 2, a pushing device 3 and a cutting device 4, wherein the workbench 2 is arranged on the frame 1 in a matching way, and the pushing device 3 and the cutting device 4 are arranged on the workbench 2; the bamboo wood long blocks are placed into the workbench 2 and pushed by the pushing device 3, and are pushed to the cutting device 4 for cutting.
The worktable 2 is three, a chain transmission opening hole 21 and a circular saw blade cutting hole 22 are respectively arranged on each worktable 2 in a matching manner, the three worktables 2 are respectively a fixed worktable 21 and two movable worktables 22, the fixed worktable 21 is fixedly connected with the rack 1, and the movable worktable 22 is movably connected with the rack 1.
The movable working table 22 is movably connected with the frame 1 through a slide rail 5.
The power device for driving the movable workbench 22 to move comprises a ball screw pair, a fixed plate and a ball screw servo motor, wherein the ball screw servo motor is electrically connected with the ball screw pair, the fixed plate is fixed on a nut in the ball screw pair, and the fixed plate is fixedly connected with the movable workbench 22.
The pushing device 3 is a chain transmission mechanism and comprises a pushing servo motor, a driving sprocket 31, a chain 32 and a driven sprocket 33, wherein the chain 32 is uniformly and fixedly provided with limiting blocks 34, the pushing servo motor is electrically connected with the driving sprocket 31, and the driving sprocket 31 is meshed and connected with the driven sprocket 33 through the chain 32.
Cutting device 4 is circular saw blade cutting device, including circular saw blade 41, cutting servo motor 42, area drive mechanism 43, collection protection casing 44, cutting servo motor 42 is connected with circular saw blade 41 through taking drive mechanism 43, collects protection casing 44 and sets up and wraps up circular saw blade 41 outside circular saw blade 41, collects protection casing 44 export and dust absorption pipeline's access connection.
The driving chain wheel 31, the chain 32 and the driven chain wheel 33 are arranged in the chain transmission opening hole 23 in a matching mode, and the limiting block 34 on the chain 32 is exposed out of the workbench 2.
The circular saw blade 41 is cooperatively disposed in the circular saw blade cutting hole 24, the circular saw blade 41 is exposed from the table 2, and the portion of the circular saw blade 41 exposed from the table is 1/3 of the circular saw blade 41.
Still include and push down device 6, push down device 6 pushes down bamboo wood rectangular block in the propelling movement in-process.
The bamboo wood long block cutting machine further comprises a control system 7, the control system 7 controls the coordination among the workbench 2, the pushing device 3 and the cutting device 4, and the cutting device 2 is started before the bamboo wood long blocks are pushed in place.
The utility model discloses a theory of operation and process.
When the circular saw blade cutting device works, the bamboo and wood long blocks are placed in the first limiting block 34 at the starting end of the chain 32 of the pushing device 3 on the workbench 2, the control system 7 starts the pushing device 3, the pushing servo motor in the pushing device 3 is started to drive the driving chain wheel 31 to rotate, the driving chain wheel 31 drives the driven chain wheel 33 to rotate through the chain 32, so that the chain 32 is always in circular motion, the limiting blocks 34 on the chain 32 push the bamboo and wood long blocks to advance when the chain 32 rotates, the pressing device 6 exerts a pressing force on the upper parts of the bamboo and wood long blocks in the advancing process to prevent the bamboo and wood long blocks from tilting and even turning in the pushing process, the bamboo and wood long blocks are pushed to the circular saw blade 41 in the cutting device 4 along with the pushing of the limiting blocks 34, the cutting device 4 is started by the control system 7 before the bamboo and wood long blocks arrive at the circular saw blade 41 vertical to the cutting device, and excess materials at two ends and the middle, and when the pushing device 3 advances to stop the stroke between the two limiting blocks 34, the next long bamboo and wood block is placed to continue to be pushed and cut circularly, and after the second long bamboo and wood block is cut, the second long bamboo and wood block can push the first long bamboo and wood block to the discharging device.
Due to the arrangement of the pressing device 6, the bamboo and wood long blocks are not easy to jump upwards or even turn over when being transversely pushed, so that the normal transverse pushing of the bamboo and wood long blocks is influenced, and the transverse pushing operation is smoother.
At circular saw blade 41 cutting bamboo wood rectangular block in-process, because circular saw blade 41's high-speed operation, can produce a large amount of bamboo bits, the bamboo foam splashes everywhere, set up outside circular saw blade 41 and collect protection casing 44 parcel circular saw blade 41 for the bamboo bits, the bamboo foam is collected, rethread dust absorption pipeline inhales and concentrated utilization, make the keeping clean and refreshing of workshop environment, also need not clean bamboo bits, the bamboo foam that splashes all everywhere, create good operational environment for workshop personnel simultaneously.
If the total length of cutting and the length that the middle part was cuted need to be changed, start power device through control system 7, power device starts, drive lead screw rotary motion through ball screw servo motor, lead screw rotary motion drives the removal of nut, the removal of nut drives the travelling table 22 through the fixed plate and moves on the slide rail, thereby realize two travelling table 22 and the cutting device 4 that fixed work platform 21 set up respectively the distance adjustment between the saw bit 41, finally reach the adjustment that cutting total length and middle part were cuted length.
The beneficial effects of the utility model.
1. The utility model discloses a propelling movement cutting device, automatic propelling movement, automatic cutout, automatic control, degree of automation is high, and easy operation practices thrift the cost of labor, operation safety and stability.
2. The utility model discloses a propelling movement cutting device has reduced the upset step, can cut and cut the middle part to the both ends of bamboo wood long piece simultaneously, and cutting accuracy is high, and cutting quality is good, and cutting efficiency is high.
3. The utility model discloses a propelling movement cutting device, the length of bamboo wood rectangular block is adjustable with the size of cuting, satisfies more bamboo wood rectangular block length size's cutting demand.
4. The utility model discloses a propelling movement cutting device, circular saw blade 41 set up the protection casing outward and make bamboo bits, bamboo foam be siphoned away by dust absorption pipeline and concentrate the utilization, are favorable to the security assurance of workshop environment construction and cutting.
5. The utility model discloses a propelling movement cutting device, easy operation, automatic pushing, automatic cutout, the cutting size is accurate, adjustable, and is energy-concerving and environment-protective, and the cutting is of high quality, and is efficient, practices thrift the cost, moves the safety and stability.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (10)
1. The pushing and cutting device is characterized by comprising a rack (1), a workbench (2), a pushing device (3) and a cutting device (4), wherein the workbench (2) is arranged on the rack (1) in a matching manner, and the pushing device (3) and the cutting device (4) are arranged on the workbench (2); the bamboo and wood long blocks are put into the workbench (2) and pushed by the pushing device (3) to the cutting device (4) for cutting.
2. The push cutting device according to claim 1, characterized in that the number of the working tables (2) is three, each working table (2) is respectively provided with a chain transmission opening hole (23) and a circular saw blade cutting hole (24), the three working tables (2) are respectively a fixed working table (21) and two movable working tables (22), the fixed working table (21) is fixedly connected with the machine frame (1), and the movable working table (22) is movably connected with the machine frame (1).
3. The push cutting device according to claim 2, characterized in that the moving table (22) is movably connected to the machine frame (1) by means of a slide (5).
4. The push cutting device as claimed in claim 3, wherein the power device for driving the moving table (22) to move comprises a ball screw pair, a fixed plate and a servo motor, wherein the servo motor is electrically connected with the ball screw pair, the fixed plate is fixed on a nut in the ball screw pair, and the fixed plate is fixedly connected with the moving table (22).
5. The pushing and cutting device according to claim 1, wherein the pushing device (3) is a chain transmission mechanism, and comprises a pushing servo motor, a driving sprocket (31), a chain (32) and a driven sprocket (33), the chain (32) is uniformly and fixedly provided with limiting blocks (34), the pushing servo motor is electrically connected with the driving sprocket (31), and the driving sprocket (31) is meshed with the driven sprocket (33) through the chain (32).
6. The push cutting device according to claim 1, wherein the cutting device (4) is a circular saw blade cutting device, and comprises a circular saw blade (41), a cutting servo motor (42), a belt transmission mechanism (43) and a collecting protective cover (44), wherein the cutting servo motor (42) is connected with the circular saw blade (41) through the belt transmission mechanism (43), the collecting protective cover (44) is arranged outside the circular saw blade (41) to wrap the circular saw blade (41), and an outlet of the collecting protective cover (44) is connected with an inlet of a dust suction pipeline.
7. The push cutting device according to claim 5, characterized in that the drive sprocket (31), the chain (32) and the driven sprocket (33) are arranged in a chain transmission opening (23) in a matching manner, and the limiting block (34) on the chain (32) is exposed out of the worktable (2).
8. The push cutting device according to claim 6, wherein the circular saw blade (41) is cooperatively disposed within the circular saw blade cutting hole (24), the circular saw blade (41) is exposed from the table (2), and the portion of the circular saw blade (41) exposed from the table is 1/3 of the circular saw blade (41).
9. The pushing and cutting device according to claim 1, characterized by further comprising a pressing device (6), wherein the pressing device (6) presses the bamboo and wood long blocks downwards in the pushing process.
10. The pushing and cutting device according to claim 1, further comprising a control system (7), wherein the control system (7) controls coordination among the workbench (2), the pushing device (3) and the cutting device (4), and the cutting device (4) is started before the bamboo and wood long blocks are pushed in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921644649.1U CN211415456U (en) | 2019-09-29 | 2019-09-29 | Propelling movement cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921644649.1U CN211415456U (en) | 2019-09-29 | 2019-09-29 | Propelling movement cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211415456U true CN211415456U (en) | 2020-09-04 |
Family
ID=72283477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921644649.1U Expired - Fee Related CN211415456U (en) | 2019-09-29 | 2019-09-29 | Propelling movement cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211415456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873423A (en) * | 2021-01-15 | 2021-06-01 | 罗仕兵 | A cut cake device for wooden rod |
-
2019
- 2019-09-29 CN CN201921644649.1U patent/CN211415456U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873423A (en) * | 2021-01-15 | 2021-06-01 | 罗仕兵 | A cut cake device for wooden rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202137804U (en) | Numerical-control full-automatic trimming machine | |
| CN104441065A (en) | Strip cutting machine suitable for regular plate | |
| CN205889434U (en) | Take full -automatic tandem slitter of chamfer function | |
| CN113043382B (en) | Plank automatic cutout processingequipment for furniture | |
| CN111438788A (en) | Furniture wooden door processing system and processing method | |
| CN211415456U (en) | Propelling movement cutting device | |
| CN205415851U (en) | Automatic slicer of bamboo timber | |
| CN204322200U (en) | A kind of cutting cutter being applicable to regular sheet material | |
| CN2912943Y (en) | Hackle tenoning machine | |
| CN215238656U (en) | Laser cutting machine that multi-angle was adjusted | |
| CN204604424U (en) | A kind of ultrafiltration membrane filaments automatic cutting mechanism | |
| CN111742812A (en) | Liftable portable of adjusting cuts tree equipment | |
| CN208277062U (en) | A kind of bamboo and wood automatic gas cutting machine | |
| CN218111069U (en) | Wood floor processing is with cutting deburring device | |
| CN221249156U (en) | Numerical control panel saw convenient to adjust | |
| CN217194146U (en) | Workpiece rapid cutting machine | |
| CN216099392U (en) | Timber saw cuts equipment for civil engineering convenient to spacing motion of timber | |
| CN221391427U (en) | Timber location moving mechanism | |
| CN110712244B (en) | Woodworking band saw capable of adjusting cutting direction | |
| CN109729862A (en) | A kind of stem end processing unit (plant) of the dragon fruit production of hybrid seeds | |
| CN213226585U (en) | Saw for cutting head of poplar bark | |
| CN215749638U (en) | Environment-friendly foam board cutting machine | |
| CN221048617U (en) | Woodworking sawing machine positioning equipment for lath | |
| CN215587960U (en) | Connector milling flutes device | |
| CN220882688U (en) | Band saw for processing plates |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 |