CN209736772U - Novel finned tube tooth forming equipment - Google Patents
Novel finned tube tooth forming equipment Download PDFInfo
- Publication number
- CN209736772U CN209736772U CN201920273243.0U CN201920273243U CN209736772U CN 209736772 U CN209736772 U CN 209736772U CN 201920273243 U CN201920273243 U CN 201920273243U CN 209736772 U CN209736772 U CN 209736772U
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- cutter
- speed reducer
- upper plate
- plate
- motor
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 48
- 239000003638 chemical reducing agent Substances 0.000 claims description 38
- 239000004677 Nylon Substances 0.000 claims description 18
- 229920001778 nylon Polymers 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
the utility model discloses a novel finned tube tooth former, this tooth former include that workstation (1), cutter feed device (2) and hold support material mechanism (3) of pipe material along the pipe material axial, be provided with mount pad (4) and base (5) on workstation (1), mount pad (4) one side is located in base (5), cutter feed device (2) evenly distributed is on mount pad (4), support material mechanism (3) and set up on base (5). The utility model discloses a novel finned tube tooth former, structural design is reasonable, and work operates steadily, with the in-process of tube stock processing finned tube, the cutter can not produce vibrations, avoids the impaired phenomenon emergence that produces the shake sword line of finned tube screw thread wall, has promoted product quality, and work efficiency is high.
Description
Technical Field
The utility model relates to a finned tube tooth contour machining technical field, concretely relates to novel finned tube tooth former.
Background
The heat exchange tube based on the intensified heat transfer design is called a high-efficiency heat transfer tube, also called a finned tube. The fin tube tooth forming machine in the prior art is unreasonable in structural design, and in the process of processing a tube material into a fin tube, a cutter can vibrate, so that the thread wall of the fin tube is damaged and vibration knife lines are generated. Therefore, it is highly desirable to develop a novel fin tube teeth forming apparatus by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of existence among the above-mentioned prior art, provide a novel finned tube tooth former of efficient, avoid the impaired phenomenon emergence that produces the shake sword line of finned tube thread wall, promoted product quality.
in order to achieve the purpose of the utility model, the utility model provides a technical scheme as follows: the utility model provides a novel finned tube tooth former, this tooth former include that workstation, cutter feed device and follow the support material mechanism that the pipe material axial held the pipe material, be provided with mount pad and base on the workstation, mount pad one side is located to the base, cutter feed device evenly distributed is on the mount pad, hold in the palm the material mechanism and set up on the base, wherein:
The cutter feeding device comprises a cutter radial transmission mechanism, a cutter axial transmission mechanism and a cutter cutting mechanism, wherein the cutter radial transmission mechanism comprises a first motor, a first speed reducer, a first motor fixing frame, a first linear rail base, a second linear rail base, a first linear guide rail part, a second linear guide rail part, a first sliding block, a second sliding block, a coupler, a screw rod part and a screw nut, the first speed reducer is arranged on the first motor fixing frame, an output shaft of the first motor is in transmission connection with the first speed reducer, an output shaft of the first speed reducer is provided with the coupler, an output shaft of the first speed reducer is in transmission connection with the screw rod part through the coupler, the first linear rail base and the second linear rail base are respectively arranged on two sides of the lower end of the first motor fixing frame, the first linear guide rail part and the second linear guide rail part are respectively arranged on the first linear rail base and the second linear rail base, the first linear guide rail part and the second linear guide rail part are oppositely arranged, the first linear guide rail part is matched with a first slide block arranged on the first linear guide rail part, the second linear guide rail part is matched with a second slide block arranged on the second linear guide rail part, a first slide block upper plate and a second slide block upper plate are respectively arranged on the first slide block and the second slide block, a screw rod nut is fixedly arranged between the first slide block upper plate and the second slide block upper plate so that the first slide block upper plate, the second slide block upper plate and the screw rod nut form an integrated structure, and the first slide block upper plate and the second slide block upper plate are driven to simultaneously move in the radial direction through the adaptation of the screw rod part and the screw rod nut;
The cutter axial transmission mechanism comprises a dovetail guide rail mother board, a dovetail guide rail male board, an angle board, a bearing seat mounting board and a ball screw nut pair, wherein the ball screw nut pair comprises a ball screw and a nut piece, the dovetail guide rail mother board is matched with the dovetail guide rail male board arranged below the dovetail guide rail mother board, a lug piece is arranged on the side wall of the dovetail guide rail mother board, a first abdicating through hole is formed in the lug piece, a groove is formed in the boss part of the dovetail guide rail male board, the nut piece is arranged in the groove, a second abdicating through hole is formed in one side wall of the dovetail guide rail male board, one end of the second abdicating through hole is communicated with the groove, the first abdicating through hole, the second abdicating through hole and the nut piece are coaxial, the ball screw sequentially passes through the first abdicating through hole, the second abdicating through hole and is matched with the nut piece, and an adjusting nut is arranged at, the dovetail guide rail male plate is axially moved by manually adjusting an adjusting nut, an angle plate is arranged below the dovetail guide rail male plate, and a bearing seat mounting plate matched with the angle plate is arranged below the angle plate;
The cutter cutting mechanism comprises a second motor, a second speed reducer, a second motor fixing frame, a belt, a main belt wheel, a secondary belt wheel, a transmission main shaft and a cutter, the second speed reducer is arranged on the second motor fixing frame, the output shaft of the second motor is in transmission connection with the second speed reducer, one end of the first sliding block upper plate and one end of the second sliding block upper plate are both fixedly arranged on a second motor fixing frame, the dovetail guide rail mother plate is fixedly arranged below the second motor fixing frame, the lower end of the bearing seat mounting plate is coaxially provided with a first bearing seat and a second bearing seat, the transmission main shaft penetrates through the first bearing seat and the second bearing seat, the transmission main shaft is also provided with a cutter, the output shaft end of the second speed reducer is adaptively provided with a main belt wheel, a driven belt wheel is further arranged at one end of the transmission main shaft, and the main belt wheel is in transmission connection with the driven belt wheel through a belt;
The material supporting mechanism comprises a nylon spindle box and a guide sleeve, the guide sleeve is arranged at the front end of the nylon spindle box, a pipe material penetrates through the nylon spindle box and extends through the guide sleeve, and one end of the pipe material corresponds to the cutter;
the angle of the cutter is adjusted through the angle plate, so that the cutter and the pipe material form an inclined angle, the cutter is fed through the matching action of the radial transmission mechanism of the cutter and the axial transmission mechanism of the cutter, and the transmission main shaft drives the cutter to process the pipe material.
Preferably, the first motor and the second motor are both servo motors.
Preferably, the first speed reducer and the second speed reducer are both planetary speed reducers.
Preferably, the number of the cutter feeding devices is three, and an included angle formed between every two adjacent cutter feeding devices is 120 degrees.
preferably, the wire rod member is a trapezoidal wire rod member.
preferably, the cutter is a disc cutter.
Based on the technical scheme, compared with the prior art, the utility model have following technical advantage:
the utility model discloses a novel finned tube tooth former, structural design is reasonable, high working efficiency, product quality is promoted, with the in-process of tube stock processing finned tube, utilize the radial drive mechanism of cutter, cutter axial drive mechanism cooperation action makes the cutter feed, and through second motor drive second reduction gear, second reduction gear output shaft drives the main band pulley and is connected through belt and follow band pulley transmission, thereby the transmission main shaft drives the cutter processing tube stock, the work operates steadily, the cutter can not produce vibrations, avoid the impaired phenomenon that produces the shake sword line of finned tube screw thread wall to take place.
drawings
FIG. 1 is a schematic structural view of the fin tube teeth forming apparatus of the present invention.
Fig. 2 is a perspective view of the cutter feeding device of the present invention.
Fig. 3 is a front view of the cutter feeding device of the present invention.
fig. 4 is a schematic structural diagram of the axial transmission mechanism of the cutter of the present invention.
Fig. 5 is an assembly structure view of the dovetail guide rail mother board and the lug of the present invention.
Fig. 6 is the assembly structure diagram of the dovetail guide rail male plate and the ball screw nut pair of the present invention.
Fig. 7 is a perspective view of the angle plate of the present invention.
Fig. 8 is a bottom view of the angle plate of the present invention.
Fig. 9 is a perspective view of the nylon headstock of the present invention.
In the figure: 1. the working table, 2, the tool feeding device, 201, the first motor, 202, the first reducer, 203, the first motor holder, 204, the first track base, 205, the second track base, 206, the first linear guide rail member, 207, the second linear guide rail member, 208, the first slider, 209, the second slider, 210, the coupling, 211, the lead screw member, 212, the lead screw nut, 213, the first slider upper plate, 214, the second slider upper plate, 215, the dovetail guide rail, 216, the dovetail guide rail male plate, 217, the angle plate, 218, the bearing holder mounting plate, 219, the ball screw, 220, the nut member, 221, the lifting lug member, 222, the first abdicating through hole, 223, the groove, 224, the second abdicating through hole, 225, the adjusting nut, 226, the second motor, 227, the second reducer, 228, the second motor holder, 229, the main belt, 230, 231, the secondary belt pulley, 232, the transmission main shaft, 233. the tool comprises a cutter 234, a first bearing seat 235, a second bearing seat 236, a yielding groove portion 3, a material supporting mechanism 301, a nylon spindle box 302, a guide sleeve 302, a mounting seat 4 and a base 5.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in fig. 1-9, a novel finned tube tooth forming device comprises a workbench 1, a cutter feeding device 2 and a material supporting mechanism 3 for supporting a tube material along the axial direction of the tube material, wherein the workbench 1 is provided with a mounting seat 4 and a base 5, the base 5 is arranged on one side of the mounting seat 4, the cutter feeding device 2 is uniformly distributed on the mounting seat 4, the material supporting mechanism 3 is arranged on the base 5, and the structure comprises:
the cutter feeding device 2 comprises a cutter radial transmission mechanism, a cutter axial transmission mechanism and a cutter cutting mechanism, the cutter radial transmission mechanism comprises a first motor 201, a first speed reducer 202, a first motor fixing frame 203, a first linear rail base 204, a second linear rail base 205, a first linear guide rail piece 206, a second linear guide rail piece 207, a first sliding block 208, a second sliding block 209, a coupler 210, a screw rod piece 211 and a screw rod nut 212, the first speed reducer 202 is arranged on the first motor fixing frame 203, an output shaft of the first motor 201 is in transmission connection with the first speed reducer 202, an output shaft of the first speed reducer 202 is provided with the coupler 210, an output shaft of the first speed reducer 202 is in transmission connection with the screw rod piece 211 through the coupler 210, the first linear rail base 204 and the second linear rail base 205 are respectively arranged on two sides of the lower end of the first motor fixing frame 203, and the first linear guide rail piece 206, the second linear guide rail piece 205, the, The second linear guide rail piece 207 is respectively arranged on the first linear guide rail base 204 and the second linear guide rail base 205, the first linear guide rail piece 206 and the second linear guide rail piece 207 are oppositely arranged, the first linear guide rail piece 206 is matched with a first sliding block 208 arranged on the first linear guide rail piece 206, the second linear guide rail piece 207 is matched with a second sliding block 209 arranged on the second linear guide rail piece 207, a first sliding block upper plate 213 and a second sliding block upper plate 214 are respectively arranged on the first sliding block 208 and the second sliding block 209, and a screw nut 212 is fixedly arranged between the first sliding block upper plate 213 and the second sliding block upper plate 214 so that the first sliding block upper plate 213, the second sliding block upper plate 214 and the screw nut 212 form an integrated structure, and the first sliding block upper plate 213 and the second sliding block upper plate 214 are driven to simultaneously move radially through the screw piece 211 and the screw nut 212;
The cutter axial transmission mechanism comprises a dovetail guide rail mother plate 215, a dovetail guide rail male plate 216, an angle plate 217, a bearing seat mounting plate 218 and a ball screw nut pair, the ball screw nut pair comprises a ball screw 219 and a nut member 220, the dovetail guide rail mother plate 215 is matched with the dovetail guide rail male plate 216 arranged below the dovetail guide rail mother plate, a lug member 221 is arranged on the side wall of the dovetail guide rail mother plate 215, a first yielding through hole 222 is formed in the lug member 221, a groove 223 is formed in the boss part of the dovetail guide rail male plate 216, the nut member 220 is arranged in the groove 223, a second yielding through hole 224 is formed in one side wall of the dovetail guide rail male plate 216, one end of the second yielding through hole 224 is communicated with the groove 223, the first yielding through hole 222, the second yielding through hole 224 and the nut member 220 are coaxial, and the ball screw 219 sequentially passes through the first yielding through hole 222, the second yielding through hole 224 and the, The second abdicating through hole 224 is matched with the nut member 220, an adjusting nut 225 is arranged at the joint of the ball screw 219 and the first abdicating through hole 222, the dovetail guide rail male plate 216 is axially moved by manually adjusting the adjusting nut 225, an angle plate 217 is arranged below the dovetail guide rail male plate 216, and a bearing seat mounting plate 218 matched with the angle plate 217 is arranged below the angle plate 217;
The cutter cutting mechanism comprises a second motor 226, a second speed reducer 227, a second motor fixing frame 228, a belt 229, a main belt wheel 230, a secondary belt wheel 231, a transmission main shaft 232 and a cutter 233, wherein the second speed reducer 227 is arranged on the second motor fixing frame 228, an output shaft of the second motor 226 is in transmission connection with the second speed reducer 227, one ends of a first slider upper plate 213 and a second slider upper plate 214 are fixedly arranged on the second motor fixing frame 228, the dovetail guide rail mother plate 215 is fixedly arranged below the second motor fixing frame 228, a first bearing seat 234 and a second bearing seat 235 are coaxially arranged at the lower end of a bearing seat mounting plate 218, the transmission main shaft 232 penetrates through the first bearing seat 234 and the second bearing seat 235, the cutter bearing seat 233 is further arranged on the transmission main shaft 232, the main belt wheel 230 is adaptively arranged at the output shaft end of the second speed reducer 227, one end of the transmission main shaft 232 is further provided with the secondary, the primary pulley 230 is in transmission connection with a secondary pulley 231 through a belt 229;
The material supporting mechanism 3 comprises a nylon spindle box 301 and a guide sleeve 302, the guide sleeve 302 is arranged at the front end of the nylon spindle box 301, a pipe material penetrates through the nylon spindle box 301 and extends through the guide sleeve 302, and one end of the pipe material corresponds to a cutter 233;
The angle of the cutter 233 is adjusted by the angle plate 217 so that the cutter 233 and the pipe material form an inclination angle, and the cutter 233 is fed by the matching action of the cutter radial transmission mechanism and the cutter axial transmission mechanism, so that the transmission main shaft 232 drives the cutter 233 to process the pipe material.
The first motor 201 and the second motor 226 are both servo motors. The first speed reducer 202 and the second speed reducer 227 are both planetary speed reducers. The number of the cutter feeding devices 2 is three, and an included angle formed between every two adjacent cutter feeding devices 2 is 120 degrees. The wire rod piece 211 is a trapezoidal wire rod piece. The cutter 233 is a disc cutter. Be provided with the nylon axle in the nylon headstock 301, in the nylon axle that the pipe material runs through in nylon headstock 301 and extends the uide bushing 302, the nylon axle in the nylon headstock 301 can rotate along with the pipe material in the processing, and the purpose prevents the pipe material wearing and tearing. The mounting seat 4, the dovetail guide female plate 215, the dovetail guide male plate 216, the angle plate 217 and the nylon spindle box 301 are all in the prior art and can be directly purchased from the market. The lower end surface of the angle plate 217 is provided with a receding groove portion 236, and the receding groove portion 236 is a parallelogram.
The foregoing is illustrative and explanatory of the invention and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application to practice the invention with simple modifications to the structure and/or one or more of the advantages achieved in some embodiments.
Claims (6)
1. The utility model provides a novel finned tube tooth former which characterized in that: this tooth former includes workstation (1), cutter feeding device (2) and holds in the palm material mechanism (3) of pipe material along the pipe material axial, be provided with mount pad (4) and base (5) on workstation (1), mount pad (4) one side is located in base (5), cutter feeding device (2) evenly distributed is on mount pad (4), ask material mechanism (3) to set up on base (5), wherein:
The cutter feeding device (2) comprises a cutter radial transmission mechanism, a cutter axial transmission mechanism and a cutter cutting mechanism, wherein the cutter radial transmission mechanism comprises a first motor (201), a first speed reducer (202), a first motor fixing frame (203), a first linear rail base (204), a second linear rail base (205), a first linear guide rail part (206), a second linear guide rail part (207), a first sliding block (208), a second sliding block (209), a coupler (210), a screw rod part (211) and a screw nut (212), the first speed reducer (202) is arranged on the first motor fixing frame (203), an output shaft of the first motor (201) is in transmission connection with the first speed reducer (202), the output shaft of the first speed reducer (202) is provided with the coupler (210), and the output shaft of the first speed reducer (202) is in transmission connection with the screw rod part (211) through the coupler (210), first linear rail base (204), second linear rail base (205) set up respectively in first motor mount (203) lower extreme both sides, first linear guide spare (206), second linear guide spare (207) set up respectively on first linear rail base (204) and second linear rail base (205), first linear guide spare (206), second linear guide spare (207) set up relatively, first linear guide spare (206) and first slider (208) looks adaptation on locating it, second linear guide spare (207) and second slider (209) looks adaptation on locating it, be provided with first slider upper plate (213) and second slider upper plate (214) on first slider (208), second slider (209) respectively, lead screw nut (212) have set firmly between first slider upper plate (213) and second slider upper plate (214) so that first slider upper plate (213), The second sliding block upper plate (214) and the screw nut (212) form an integral structure, and the screw rod piece (211) is matched with the screw nut (212), so that the first sliding block upper plate (213) and the second sliding block upper plate (214) are driven to simultaneously move radially;
cutter axial drive mechanism includes dovetail guide mother board (215), the public board of dovetail guide (216), angle board (217), bearing frame mounting panel (218) and ball screw nut is vice, ball screw nut is vice including ball (219) and nut (220), dovetail guide mother board (215) with set up public board of dovetail guide (216) looks adaptation below it, be provided with on dovetail guide mother board (215) the lateral wall and hang ear spare (221), hang ear spare (221) on seted up first hole (222 of stepping down, public board of dovetail guide (216) boss portion is provided with a recess (223), nut (220) set up in recess (223), public board of dovetail guide (216) a lateral wall has seted up the second hole of stepping down (224), the second hole of stepping down (224) one end is linked together with recess (223), and first through hole of stepping down (222), The second abdicating through hole (224) is coaxial with the nut piece (220), the ball screw (219) sequentially passes through the first abdicating through hole (222) and the second abdicating through hole (224) and is matched with the nut piece (220), an adjusting nut (225) is arranged at the joint of the ball screw (219) and the first abdicating through hole (222), the dovetail guide rail male plate (216) is axially moved by manually adjusting the adjusting nut (225), an angle plate (217) is arranged below the dovetail guide rail male plate (216), and a bearing seat mounting plate (218) matched with the angle plate (217) is arranged below the angle plate (217);
the cutter cutting mechanism comprises a second motor (226), a second speed reducer (227), a second motor fixing frame (228), a belt (229), a main belt wheel (230), a secondary belt wheel (231), a transmission main shaft (232) and a cutter (233), wherein the second speed reducer (227) is arranged on the second motor fixing frame (228), an output shaft of the second motor (226) is in transmission connection with the second speed reducer (227), one ends of a first slider upper plate (213) and a second slider upper plate (214) are fixedly arranged on the second motor fixing frame (228), a dovetail guide rail mother plate (215) is fixedly arranged below the second motor fixing frame (228), a first bearing seat (234) and a second bearing seat (235) are coaxially arranged at the lower end of a bearing seat mounting plate (218), the transmission main shaft (232) is arranged on the first bearing seat (234) and the second bearing seat (235) in a penetrating manner, the transmission main shaft (232) is further provided with a cutter (233), the output shaft end of the second speed reducer (227) is adaptively provided with a main belt wheel (230), one end of the transmission main shaft (232) is further provided with a secondary belt wheel (231), and the main belt wheel (230) is in transmission connection with the secondary belt wheel (231) through a belt (229);
the material supporting mechanism (3) comprises a nylon spindle box (301) and a guide sleeve (302), the guide sleeve (302) is arranged at the front end of the nylon spindle box (301), a pipe material penetrates through the nylon spindle box (301) and extends through the guide sleeve (302), and one end of the pipe material corresponds to a cutter (233);
the angle of the cutter (233) is adjusted through the angle plate (217) so that the cutter (233) and the pipe material form an inclined angle, and the cutter (233) is fed through the matching action of the cutter radial transmission mechanism and the cutter axial transmission mechanism, so that the transmission main shaft (232) drives the cutter (233) to process the pipe material.
2. The novel fin tube tine forming apparatus of claim 1 wherein: the first motor (201) and the second motor (226) are both servo motors.
3. The novel fin tube tine forming apparatus of claim 1 wherein: the first speed reducer (202) and the second speed reducer (227) are both planetary speed reducers.
4. The novel fin tube tine forming apparatus of claim 1 wherein: the number of the cutter feeding devices (2) is three, and an included angle formed between every two adjacent cutter feeding devices (2) is 120 degrees.
5. The novel fin tube tine forming apparatus of claim 1 wherein: the wire rod piece (211) is a trapezoidal wire rod piece.
6. the novel fin tube tine forming apparatus of claim 1 wherein: the cutter (233) is a disc cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273243.0U CN209736772U (en) | 2019-03-05 | 2019-03-05 | Novel finned tube tooth forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273243.0U CN209736772U (en) | 2019-03-05 | 2019-03-05 | Novel finned tube tooth forming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209736772U true CN209736772U (en) | 2019-12-06 |
Family
ID=68708856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920273243.0U Withdrawn - After Issue CN209736772U (en) | 2019-03-05 | 2019-03-05 | Novel finned tube tooth forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209736772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759648A (en) * | 2019-03-05 | 2019-05-17 | 泰州驰骏智能设备有限公司 | A kind of novel finned tube tooth molding equipment |
-
2019
- 2019-03-05 CN CN201920273243.0U patent/CN209736772U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759648A (en) * | 2019-03-05 | 2019-05-17 | 泰州驰骏智能设备有限公司 | A kind of novel finned tube tooth molding equipment |
| CN109759648B (en) * | 2019-03-05 | 2024-02-09 | 泰州驰骏智能设备有限公司 | Fin tube tooth former |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191206 Effective date of abandoning: 20240209 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191206 Effective date of abandoning: 20240209 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |