CN106736697B - Pipe bend clamping tooling - Google Patents
Pipe bend clamping tooling Download PDFInfo
- Publication number
- CN106736697B CN106736697B CN201611237185.3A CN201611237185A CN106736697B CN 106736697 B CN106736697 B CN 106736697B CN 201611237185 A CN201611237185 A CN 201611237185A CN 106736697 B CN106736697 B CN 106736697B
- Authority
- CN
- China
- Prior art keywords
- tooling
- pipe bend
- dnockout core
- ball pin
- spring
- 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
- 239000007787 solid Substances 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 24
- 239000000463 material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000007599 discharging Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention relates to a kind of pipe bend clamping toolings.It is characterized in that the upper clamping part and lower clamping part by being equipped with form, upper clamping part includes top tooling, upper tooling dnockout core, ball pin, ball pin spring and ball pin spring base, and lower clamping part includes lower part tooling, lower tooling dnockout core, resetting spring and resetting spring limiting slot.The blank of pipe bend can be clamped in the clamping tooling of the present invention, work as completion of processing, can be coordinated with shift mechanism with automatic material returning to top tooling, the top tooling and realize blanking.Tooling through the invention may be implemented the automatic clamping of pipe bend, substantially increase production efficiency, reduces the labor intensity of worker.
Description
Technical field
The present invention relates to a kind of pipe bend clamping toolings.
Background technology
Processing of the present enterprise to pipe bend is all artificial feeding, manually clamping, is then carried out to pipe bend by lathe
There is the shortcomings of high inefficiency, danger coefficient, heavy workload in processing, fewer and fewer, more and more expensive in human cost in this way
Cannot meet the needs of normally producing, therefore a kind of pipe bend clamping tooling of design is to meet automated production today
It needs to be very important.
Invention content
For problems of the prior art, the purpose of the present invention is to provide a kind of technologies of pipe bend clamping tooling
Scheme.
The pipe bend clamping tooling, it is characterised in that it is made of the upper clamping part and lower clamping part that are equipped with, on
Clamping part includes top tooling, upper tooling dnockout core, ball pin, ball pin spring and ball pin spring base, and upper tooling dnockout core socket setting exists
It can shift in the tooling of top and up and down, ball pin spring base is set above the lower edge of top tooling, is arranged in ball pin spring base and connects
It receives the ball pin spring of pin；Lower clamping part includes lower part tooling, lower tooling dnockout core, resetting spring and resetting spring limiting slot, under
Portion's tooling is fixed on lathe, and the lower tooling dnockout core of setting, resetting spring limiting slot are arranged in lower part tooling in the tooling of lower part
On, resetting spring is arranged between resetting spring limiting slot and lower tooling dnockout core.
The pipe bend clamping tooling, it is characterised in that be spirally connected setting return plate above the upper tooling dnockout core, return
Plate both sides are provided with return spring cap, and one end of return spring is arranged in return spring cap, and the other end setting of return spring exists
In the groove of top tooling.
The pipe bend clamping tooling, it is characterised in that the upper tooling dnockout core is matched with lower tooling dnockout core.
The blank of pipe bend can be clamped in the clamping tooling of the present invention, work as completion of processing, can be with automatic material returning extremely
Top tooling, which can coordinate with shift mechanism realizes blanking.Tooling through the invention, may be implemented pipe bend
Automatic clamping, substantially increase production efficiency, reduce the labor intensity of worker.
Description of the drawings
Fig. 1 is the structural schematic diagram one of the hitch feed mechanism mating with the present invention；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is the structural schematic diagram two of the hitch feed mechanism mating with the present invention；
Fig. 4 is the structural schematic diagram of workbench；
Fig. 5 is the structural schematic diagram of discharging frame；
Fig. 6 is the structural schematic diagram of feed mechanism；
Fig. 7 is the structural schematic diagram one of shift mechanism；
Fig. 8 is the structural schematic diagram two of shift mechanism；
Fig. 9 is the structural schematic diagram of linear motor push-pull rod；
Figure 10 is the structural schematic diagram of clamping tooling of the present invention；
Figure 11 is the structural schematic diagram of the upper clamping part of the present invention；
Figure 12 is the structural schematic diagram that ball pin of the present invention, ball pin spring and ball pin spring base are installed；
Figure 13 is the structural schematic diagram of the lower clamping part of the present invention；
In figure：1- workbench, 2- conveyer belts, 3- pipe bend blanking holes, 4- pipe bends, 5- pinch rollers, 6- feeding gear motors,
7- delivery sheet racks, 8- push-pull arms, 9- push-pull arm link blocks, the upper clamping parts of 10-, 11- feed mechanism mounting brackets are pressed from both sides under 12-
Portion, 13- lathes are held, 14- shifts rack, 15- shifted gear motors, 16- linear motors, 17- feed openings, 18- discharging frames, 19-
Limit steel ball, 20- delivery sheets, 21- holding tanks, 22- linear motor push-pull rods, the tops 23- tooling, the upper tooling dnockout cores of 24-, 25-
Return plate, 26- return springs, 27- ball pins, the lower parts 28- tooling, tooling dnockout core under 29-, 30- resetting springs, 31- resetting springs
Limiting slot, 32- ball pin spring bases, 33- ball pin springs, 34- delivery sheet sliding grooves, 35- hydraulic stems, 36- cutterheads.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings of the specification：
To facilitate the understanding of the present invention, the present invention has done the structure of the entire hitch feed mechanism coordinated with it in detail
Illustrate, it is specific as follows.
Entire pipe bend hitch feed tooling, including transport mechanism, feed mechanism, shift mechanism, clamping device and work
Platform 1 is provided with feed opening 17 and feed mechanism mounting bracket 11 on workbench 1, and feed opening 17 is located at the lower section of shift mechanism, send
Expect that mechanism mounting bracket 11 is arranged in 17 side of feed opening.
Transport mechanism includes conveyer belt 2, belt-driven roller（It is not shown in figure）With transmission motor（It is not shown in figure）, pass
Power transmission machine is arranged on workbench 1, and transmission motor moves conveyer belt 2 by belt-driven roller strap and rotates, and is provided on conveyer belt 2
Pipe bend blanking hole 3 is provided with discharging frame 18 on the conveyer belt 2 at pipe bend blanking hole 3, is provided in discharging frame 18 anti-
The limit steel ball 19 that only pipe bend 4 falls off, limit steel ball 19 are arranged by limit spring on discharging frame 18；When free state,
Limit steel ball 19 can limit pipe bend 4, avoid falling, when outer force effect presses down on pipe bend 4, the meeting gram of pipe bend 4
It takes the elastic force of limit spring and limit steel ball 19 is made to be subjected to displacement, pipe bend 4 can be fallen down from pipe bend blanking hole 3 at this time, be fallen
On feed mechanism；The shape of pipe bend blanking hole 3 and discharging frame 18 and the shape of pipe bend 4 match, it can be ensured that limit steel
Pipe bend 4 is freely fallen when 19 displacement of pearl；It is set below the top plate of the feed mechanism mounting bracket 11 of 2 direction of transfer of conveyer belt
Being equipped with pinch roller 5 can be pressed when the pipe bend 4 being located in the surface of conveyer belt 2 on conveyer belt 2 is arranged by pinch roller 5 in pinch roller 5
Wheel 5 pushes and is detached from discharging frame 18 and drops down onto in the holding tank 21 of delivery sheet 20.
Feed mechanism includes feeding gear motor 6, delivery sheet 20, delivery sheet rack 7 and feeding plate gear（It is not marked in figure
Note）, on feeding gear motor 6, feeding gear motor 6 is arranged in feed mechanism mounting bracket 11 1 setting of feeding plate gear
Side is provided with delivery sheet sliding groove 34 in feed mechanism mounting bracket 11, and delivery sheet 20 is operated in delivery sheet sliding groove 34, sent
Flitch 20 connects delivery sheet rack 7, and delivery sheet rack 7 engages setting with feeding plate gear, and feeding gear motor 6 can drive and send
Flitch 20 moves reciprocatingly；The holding tank 21 for accommodating pipe bend 4, the shape of holding tank 21 and pipe bend 4 are provided on delivery sheet 20
Shape matches and holding tank 21 is arc groove, and the pipe bend 4 fallen from conveyer belt 2 can be fallen directly into holding tank 21, and
It is sent to clamping device under the drive of feeding gear motor 6, when to take the pipe on delivery sheet 20 away curved for clamping device
After first 4, feeding gear motor 6 drives delivery sheet 20 to return, and waits for feeding next time.
Shift mechanism includes shifted gear motor 15, shifted gear（It is not marked in figure）, it is push-pull arm 8, linear motor 16, straight
Line motor push-pull rod 22, push-pull arm link block 9 and displacement rack 14, shifted gear are arranged on shifted gear motor 15, displacement
Rack 14 is arranged on push-pull arm 8 and displacement rack 14 engages setting with shifted gear, is driven and is pushed and pulled by carrier wheel motor
Arm 8 shifts；Push-pull arm link block 9 is arranged in 8 end of push-pull arm, and push-pull arm link block 9 is used for connecting top tooling 23 and push-pull arm
8；8 lower section of push-pull arm is provided with T-slot, and setting linear motor push-pull rod 22,22 lower section of linear motor push-pull rod are slided in T-slot
Connection setting linear motor 16, linear motor 16 drive about 22 linear motor push-pull rod to shift, and linear motor push-pull rod 22 is same
When play a supporting role to push-pull arm 8, linear motor 16 and shifted gear motor 15 are arranged on workbench 1.
The present invention clamping tooling, be made of the upper clamping part 10 and lower clamping part 12 that are equipped with, upper clamping part 10 with
Shift mechanism is connected, and lower clamping part 12 is arranged on lathe 13；Upper clamping part 10 includes top tooling 23, upper tooling dnockout core
24, return plate 25, return spring 26, ball pin 27, ball pin spring 33 and ball pin spring base 32, the upper socket of tooling dnockout core 24 setting exist
It can shift in top tooling 23 and up and down, setting ball pin spring base 32, ball pin spring base 32 above the lower edge of top tooling 23
The ball pin spring 33 of interior setting connection ball pins 27；24 top of upper tooling dnockout core, which is spirally connected, is arranged return plate 25, and 25 both sides of return plate are set
It is equipped with return spring cap（It is not marked in figure）, one end of setting return spring 26 in return spring cap, return spring 26 it is another
The groove in top tooling 23 is arranged in end（It is not marked in figure）Interior, return spring 26 is used for the return to upper tooling dnockout core 24；Position
When the pipe bend 4 on delivery sheet 20 is located at the underface of top tooling 23, tooling dnockout core 24 in pushing, you can pass through return plate
25 push top tooling 23, can make the pipe bend 4 being located at immediately below top tooling 23 that the power of ball pin 27 be overcome to enter ball pin 27
Top, and then under the action of push-pull arm 8 drive pipe bend 4 move；Lower clamping part 12 includes lower part tooling 28, the work of lower tooling
Core 29, resetting spring 30 and resetting spring limiting slot 31, lower part tooling 28 are fixed on lathe 13, are set in lower part tooling 28
Lower tooling dnockout core 29 is set, resetting spring limiting slot 31 is arranged in lower part tooling 28, and the setting of resetting spring 30 is limited in resetting spring
Between position slot 31 and lower tooling dnockout core 29；When top tooling 23 is displaced at lathe 13 and lower part work under the action of push-pull arm 8
When filling 28 cooperation, the hydraulic cylinder being located on lathe 13 pushes hydraulic stem 35 to press top tooling 23, that is, is pressed in return plate 25
On upper tooling dnockout core 24, upper tooling dnockout core 24, which moves down, pushes the pipe bend 4 being located in top tooling 23 to move down, 4 grams of pipe bend
The power for taking ball pin 27 continues to be displaced downwardly to lower tooling dnockout core 29, and under pressure, to the resetting spring 30 in lower part tooling 28
It is compressed, upper tooling dnockout core 24, which matches to be encircled into the shape of pipe bend 4 and realize pipe bend 4 with lower tooling dnockout core 29, to be pressed from both sides
It holds, then the cutterhead 36 on lathe 13 is processed pipe bend 4, completion of processing, and hydraulic cylinder drives hydraulic stem 35 to reset, multiple
Position spring 30 jacks up lower tooling dnockout core 29 upwards, and lower tooling dnockout core 29, which moves up, above pushes away pipe bend 4, while upper tooling dnockout core 24
It is moved up under the effect of return spring 26, lower tooling dnockout core 29, which above pushes away pipe bend 4, to be overcome the power of ball pin 27 and move to ball on continuing
Between pin 27 and upper tooling dnockout core 24, the pipe bend processed 4 is allow to be resetted under the action of push-pull arm 8；It is reset to work
When 17 top of feed opening of platform 1, linear motor 16 acts, and jacks up push-pull arm 8 upwards, and push-pull arm 8, which moves up, drives top tooling 23
It moves up, so that return plate 25 is touched with the top plate of feed mechanism mounting bracket 11 and push return plate 25, that is, push upper tooling dnockout core 24,
Upper tooling dnockout core 24, which moves down, pushes the pipe bend 4 processed to move down the power for overcoming ball pin 27 and be detached from top tooling 23, falls into down
Material mouth 17.
The workflow of entire hitch feed mechanism is as follows：
Conveyer belt 2 drives pipe bend 4 to move ahead, can be under the effect of pinch roller 5 by pipe bend 4 when pipe bend 4 to 5 lower section of pinch roller
The holding tank 21 for dropping down onto delivery sheet 20 is pushed, feeding gear motor 6 acts, and delivery sheet 20 is driven to move to 23 lower section of top tooling,
At this point, linear motor 16 drives push-pull arm 8 to move down, the pipe bend 4 immediately below top tooling 23 overcomes in top tooling 23
Ball pin 27 power and enter between ball pin 27 and upper tooling dnockout core 24, linear motor 16 drives push-pull arm 8 to move up again, then,
Shifted gear motor 15 drives push-pull arm 8 to move forward, and top tooling 23 is sent to coordinating with lower part tooling 28 at lathe 13, is sent simultaneously
Flitch 20 resets under the effect of feeding gear motor 6, waits for next feeding；Hydraulic cylinder on lathe 13 pushes hydraulic stem
35 pairs of top toolings 23 press, and upper tooling dnockout core 24, which moves down, pushes the pipe bend 4 being located in top tooling 23 to move down, pipe bend 4
The power of ball pin 27 is overcome to continue to be displaced downwardly to lower tooling dnockout core 29, and under pressure, to the resetting spring in lower part tooling 28
30 are compressed, and upper tooling dnockout core 24, which matches to be encircled into the shape of pipe bend 4 and realize pipe bend 4 with lower tooling dnockout core 29, to be pressed from both sides
It holds, then the cutterhead 36 on lathe 13 is processed pipe bend 4, completion of processing, and hydraulic cylinder drives hydraulic stem 35 to reset, multiple
Position spring 30 jacks up lower tooling dnockout core 29 upwards, and lower tooling dnockout core 29, which moves up, above pushes away pipe bend 4, while upper tooling dnockout core 24
It is moved up under the effect of return spring 26, lower tooling dnockout core 29, which above pushes away pipe bend 4, to be overcome the power of ball pin 27 and move to ball on continuing
Between pin 27 and upper tooling dnockout core 24, the pipe bend 4 processed resets under the action of push-pull arm 8, is reset under workbench 1
When 17 top of material mouth, linear motor 16 acts, and jacks up push-pull arm 8 upwards, and push-pull arm 8, which moves up, drives top tooling 23 to move up, and makes
Return plate 25 is touched with the top plate of feed mechanism mounting bracket 11 pushes return plate 25, and upper tooling dnockout core 24 moves down promotion and processes
Pipe bend 4 move down the power for overcoming ball pin 27 and be detached from top tooling 23, fall into feed opening 17, complete the processing of a product.
Claims (3)
1. pipe bend clamping tooling, it is characterised in that be made of the upper clamping part and lower clamping part that are equipped with, upper clamping part packet
Top tooling, upper tooling dnockout core, ball pin, ball pin spring and ball pin spring base are included, upper tooling dnockout core socket is arranged in top tooling
It is interior and can shift up and down, ball pin spring base is set above the lower edge of top tooling, setting connection ball pins in ball pin spring base
Ball pin spring；Lower clamping part includes lower part tooling, lower tooling dnockout core, resetting spring and resetting spring limiting slot, and lower part tooling is solid
Fixed to be arranged on lathe, the lower tooling dnockout core of setting, resetting spring limiting slot are arranged in the tooling of lower part in the tooling of lower part, reset bullet
Spring is arranged between resetting spring limiting slot and lower tooling dnockout core.
2. pipe bend clamping tooling according to claim 1, it is characterised in that be spirally connected setting above the upper tooling dnockout core
Return plate, return plate both sides are provided with return spring cap, one end of setting return spring in return spring cap, return spring it is another
One end is arranged in the groove of top tooling.
3. pipe bend clamping tooling according to claim 1, it is characterised in that the upper tooling dnockout core and lower tooling dnockout core
It matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237185.3A CN106736697B (en) | 2016-12-28 | 2016-12-28 | Pipe bend clamping tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237185.3A CN106736697B (en) | 2016-12-28 | 2016-12-28 | Pipe bend clamping tooling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106736697A CN106736697A (en) | 2017-05-31 |
| CN106736697B true CN106736697B (en) | 2018-11-06 |
Family
ID=58924979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611237185.3A Expired - Fee Related CN106736697B (en) | 2016-12-28 | 2016-12-28 | Pipe bend clamping tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106736697B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107443130A (en) * | 2017-10-09 | 2017-12-08 | 季永东 | Pipe bend clamping tooling |
| CN109247908A (en) * | 2018-09-04 | 2019-01-22 | 刘来杰 | A kind of stomach laparoscope clamshell converter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905346A (en) * | 2010-07-02 | 2010-12-08 | 张家港玉成精机有限公司 | Dual-purpose wrench milling groove clamp for open ratchet |
| CN201736144U (en) * | 2010-03-18 | 2011-02-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Pressing and installing fixture |
| CN205057379U (en) * | 2015-09-30 | 2016-03-02 | 杭州天龙钢瓶有限公司 | Butt seam welding of gas steel bottle base is met sb. at airport |
| CN206415911U (en) * | 2016-12-28 | 2017-08-18 | 湖州职业技术学院 | Pipe bend clamping tooling |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW544361B (en) * | 2002-04-03 | 2003-08-01 | Kosmek Kk | Rotary clamp |
| JP4789006B2 (en) * | 2006-07-31 | 2011-10-05 | Ｓｍｃ株式会社 | Clamping device |
-
2016
- 2016-12-28 CN CN201611237185.3A patent/CN106736697B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201736144U (en) * | 2010-03-18 | 2011-02-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Pressing and installing fixture |
| CN101905346A (en) * | 2010-07-02 | 2010-12-08 | 张家港玉成精机有限公司 | Dual-purpose wrench milling groove clamp for open ratchet |
| CN205057379U (en) * | 2015-09-30 | 2016-03-02 | 杭州天龙钢瓶有限公司 | Butt seam welding of gas steel bottle base is met sb. at airport |
| CN206415911U (en) * | 2016-12-28 | 2017-08-18 | 湖州职业技术学院 | Pipe bend clamping tooling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106736697A (en) | 2017-05-31 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Jianjun Inventor after: Zhu Jingjian Inventor before: Xia Tao Inventor before: Zhu Jingjian |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191216 Address after: 056700 northwest corner of the intersection of Jingsi road and Weiwu Road, Shangcheng Industrial Zone, Cheng'an County, Handan City, Hebei Province Patentee after: Handan Changsheng developed transportation facilities Co.,Ltd. Address before: 313000 No. 299, Xuefu Road, Wuxing District, Zhejiang, Huzhou Patentee before: Huzhou Vocational Technology College |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201110 Address after: 056700 southwest corner of the intersection of Jingsi road and Weisi Road, Shangcheng Industrial Zone, Chengan County, Handan City, Hebei Province Patentee after: Handan Changsheng Hongyu transportation facilities Co.,Ltd. Address before: 056700 northwest corner of the intersection of Jingsi road and Weiwu Road, Shangcheng Industrial Zone, Cheng'an County, Handan City, Hebei Province Patentee before: Handan Changsheng developed transportation facilities Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |