CN104589257B - Geology tubing clamping device and manufacture method thereof - Google Patents
Geology tubing clamping device and manufacture method thereof Download PDFInfo
- Publication number
- CN104589257B CN104589257B CN201510060254.7A CN201510060254A CN104589257B CN 104589257 B CN104589257 B CN 104589257B CN 201510060254 A CN201510060254 A CN 201510060254A CN 104589257 B CN104589257 B CN 104589257B
- Authority
- CN
- China
- Prior art keywords
- pincers
- tooth
- tong
- arc
- cast member
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B9/00—Hand-held gripping tools other than those covered by group B25B7/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adornments (AREA)
Abstract
Geology tubing clamping device and manufacture method thereof, this geology tubing clamping device includes outer pincers and makes up tong, and outer pincers are arc-shaped, the Inner arc edge of outer pincers is provided with pincers tooth, the upper surface of pincers tooth is plane, the arc surface that both sides are outwardly convex of pincers tooth, contacts with each other between adjacent pincers tooth；Make up tong include pincers and lower pincers, upper pincers and lower pincers all in arc-shaped, upper clamper is in the top of lower pincers, the Inner arc edge of upper pincers and lower pincers is equipped with pincers tooth, the upper surface of pincers tooth is plane, the arc surface that both sides are outwardly convex of pincers tooth, contacts with each other between adjacent pincers tooth；One end of outer pincers is flexibly connected with the one end made up tong, and outer pincers can relatively rotate with making up tong, and the end of outer pincers is between upper pincers and lower pincers, and the other end made up tong is provided with handle, and the end of handle is between upper pincers and lower pincers.Present invention additionally comprises described geology tubing clamping device manufacture method.Geology tubing clamping device clamping contact area of the present invention is big；Not easy damaged tubing；Service life is long.
Description
Technical field
The present invention relates to a kind of geology tubing clamping device and manufacture method thereof.
Background technology
At present, conventional geology tubing clamping device has diamond clamping device and hard alloy clamping device.Diamond clamping device is, by methods such as plating, hard and crisp diamond particles is attached to clamping face surface, and diamond single bite hardness is high, and clamping pressure is big, easily crushes tubing；Owing to diamond is more crisp, the most easily coming off, cause clamping device to lose efficacy, the average clamping number of times of diamond clamping device is 3200 times.Hard alloy clamping device is that three pieces of square gold alloy solders are connected on clamping face, and clamping device and tubing are linear contact lay, and clamping pressure is big, easily crushes tubing；Alloy ratio is more crisp, the most easily bursts apart and makes clamping device lose efficacy, and it is 4000 times that hard alloy clamping device averagely clamps number of times.
Summary of the invention
The technical problem to be solved is, overcomes the deficiency of above-mentioned background technology, it is provided that a kind of clamping contact area greatly, the geology tubing clamping device of not easy damaged tubing, length in service life.
The present invention solves its technical problem and employed technical scheme comprise that, a kind of geology tubing clamping device, including outer pincers with make up tong, described outer pincers are arc-shaped, the Inner arc edge of outer pincers is provided with pincers tooth, the upper surface of described pincers tooth is plane, the arc surface that both sides are outwardly convex of pincers tooth, contacts with each other between adjacent pincers tooth；Described make up tong include pincers and lower pincers, upper pincers and lower pincers all in arc-shaped, upper clamper is in the top of lower pincers, the Inner arc edge of upper pincers and lower pincers is equipped with pincers tooth, the upper surface of described pincers tooth is plane, the arc surface that both sides are outwardly convex of pincers tooth, contacts with each other between adjacent pincers tooth；One end of described outer pincers is flexibly connected with the one end made up tong, and outer pincers can relatively rotate with making up tong, the end of outer pincers between upper pincers and lower pincers, described in the other end that makes up tong be provided with handle, the end of handle is between upper pincers and lower pincers.
Further, the quantity of the pincers tooth of described outer pincers is 8～15, and the quantity of the pincers tooth of described upper pincers and lower pincers is 8～15.
Further, described upper pincers and lower pincers connect by contiguous block is fixing.
Further, one end of described outer pincers is flexibly connected with the one end made up tong by pin.
The manufacture method of a kind of geology tubing clamping device, comprises the following steps:
(1) processing is outer clamps cast member: is poured into by metal melting body in the die cavity of outer pincers mold, natural cooling, obtains the outer pincers cast member of arc-shaped；
(2) processing outer pincers cast member groove: clamping the groove of the Inner arc edge Machining Arc shape of cast member outside, the spacing between the groove of circular arc is 1～2mm, forms projection between the groove of adjacent circular arc；
(3) built-up welding, is formed and clamps tooth: built-up welding in the projection at the Inner arc edge clamping cast member outside, make the groove of welding rod melt filling projection both sides, form pincers tooth, the upper surface of pincers tooth is plane, the arc surface that both sides are outwardly convex of pincers tooth, contacts with each other between adjacent pincers tooth；
(4) polish, remove welding slag: by pincers tooth polishing, remove the welding slag that periphery splashes, obtain outer pincers profiled member；
(5) cast member that makes up tong is processed: being poured in the die cavity of the mold that makes up tong by metal melting body, natural cooling, obtain the cast member that makes up tong, the cast member that makes up tong includes that pincers cast member and lower pincers cast member, upper pincers cast member and lower pincers cast member are all in arc-shaped；
(6) process the cast member groove that makes up tong: at the groove of the Inner arc edge Machining Arc shape of upper pincers cast member and lower pincers cast member, the spacing between the groove of circular arc is 1～2mm, between the groove of adjacent circular arc, form projection；
(7) built-up welding, is formed and clamps tooth: built-up welding in the projection at upper pincers cast member and the Inner arc edge of lower pincers cast member, make the groove of welding rod melt filling projection both sides, form pincers tooth, the upper surface of pincers tooth is plane, the arc surface that both sides are outwardly convex of pincers tooth, contacts with each other between adjacent pincers tooth；
(8) polish, remove welding slag: by pincers tooth polishing, removing the welding slag that periphery splashes, obtain the profiled member that makes up tong, the profiled member that makes up tong includes pincers profiled member and lower pincers profiled member；
(9) processing handle: metal melting body is poured in the die cavity of handle mold, natural cooling, obtains handle profiled member；
(10) assemble: the one end of the outer pincers profiled member obtained in step (4) is flexibly connected with the one end of the profiled member that makes up tong obtained in step (8), the other end of the profiled member that makes up tong is connected with the handle profiled member obtained in step (9), makes the end of handle profiled member between upper pincers profiled member and lower pincers profiled member；After being completed, obtain geology tubing clamping device.
Further, in step (3) and step (7), described built-up welding uses chrome molybdenum surfacing welding electrode, and described chrome molybdenum surfacing welding electrode before use, is put in the baking oven of 200 °～250 ° and toasted 2～3 hours, steadily move solder joint during built-up welding.
Compared with prior art, advantages of the present invention is as follows:
The upper surface of the pincers tooth of clamping face of the present invention is plane, the arc surface that both sides are outwardly convex of pincers tooth, and pincers tooth contacts with each other and forms an entirety, clamping face integral hardness is high, and clamping contact area is big, not easy damaged tubing, service life is long, and average clamping number of times is 6500 times.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the outer pincers of embodiment illustrated in fig. 1.
Fig. 3 is the structural representation made up tong of embodiment illustrated in fig. 1.
In figure: 1 outer pincers, 2 pins, 3 pincers teeth, 4 make up tong, the upper pincers of 4-1, clamp, 4-3 contiguous block, 5 handles under 4-2.
Detailed description of the invention
Below in conjunction with the accompanying drawings and the present invention is described in further detail by specific embodiment.
Embodiment 1
With reference to Fig. 1, the present embodiment includes: outer pincers 1 and make up tong 4, with reference to Fig. 2, outer pincers 1 are in arc-shaped, and the Inner arc edge of outer pincers 1 is provided with pincers tooth 3, and the quantity of pincers tooth 3 is 8, the upper surface of pincers tooth 3 is plane, the arc surface that both sides are outwardly convex of pincers tooth 3, contacts with each other between adjacent pincers tooth 3.With reference to Fig. 3, make up tong 4 include clamp 4-1 and lower pincers 4-2, upper pincers 4-1 and lower pincers 4-2 is all in arc-shaped, upper pincers 4-1 is positioned at the top of lower pincers 4-2, and upper pincers 4-1 and lower pincers 4-2 connects by contiguous block 4-3 is fixing, and the Inner arc edge of upper pincers 4-1 and lower pincers 4-2 is equipped with pincers tooth 3, the quantity of pincers tooth 3 is 8, the upper surface of pincers tooth 3 is plane, the arc surface that both sides are outwardly convex of pincers tooth 3, contacts with each other between adjacent pincers tooth 3.With reference to Fig. 1, one end of outer pincers 1 by pin 2 with make up tong 4 one end be flexibly connected, outer pincers 14 can relatively rotate with making up tong, and the end of outer pincers 1 is between upper pincers 4-1 and lower pincers 4-2, make up tong 4 the other end be provided with handle 5, the end of handle 5 is between upper pincers 4-1 and lower pincers 4-2.
Embodiment 2
The present embodiment differs only in embodiment 1: the quantity of the pincers tooth 3 of outer pincers 1 is 12, and the quantity of the pincers tooth 3 of upper pincers 4-1 and lower pincers 4-2 is 12.Remaining is with embodiment 1.
The manufacture method of the present invention comprises the following steps:
(1) processing is outer clamps cast member: is poured into by metal melting body in the die cavity of outer pincers mold, natural cooling, obtains the outer pincers cast member of arc-shaped；
(2) processing outer pincers cast member groove: clamping the groove of the Inner arc edge Machining Arc shape of cast member outside, the spacing between the groove of circular arc is 1～2mm, forms projection between the groove of adjacent circular arc；
(3) built-up welding, is formed and clamps tooth 3: built-up welding in the projection at the Inner arc edge clamping cast member outside, make the groove of welding rod melt filling projection both sides, form pincers tooth 3, the upper surface of pincers tooth 3 is plane, the arc surface that both sides are outwardly convex of pincers tooth 3, contacts with each other between adjacent pincers tooth 3；
(4) polish, remove welding slag: pincers tooth 3 is polished, removes the welding slag that periphery splashes, obtains outer pincers profiled member；
(5) cast member that makes up tong is processed: being poured in the die cavity of the mold that makes up tong by metal melting body, natural cooling, obtain the cast member that makes up tong, the cast member that makes up tong includes that pincers cast member and lower pincers cast member, upper pincers cast member and lower pincers cast member are all in arc-shaped；
(6) process the cast member groove that makes up tong: at the groove of the Inner arc edge Machining Arc shape of upper pincers cast member and lower pincers cast member, the spacing between the groove of circular arc is 1～2mm, between the groove of adjacent circular arc, form projection；
(7) built-up welding, formed and clamp tooth 3: built-up welding in the projection at upper pincers cast member and the Inner arc edge of lower pincers cast member, make the groove of welding rod melt filling projection both sides, form pincers tooth 3, the upper surface of pincers tooth 3 is plane, the arc surface that both sides are outwardly convex of pincers tooth 3, contacts with each other between adjacent pincers tooth 3；
(8) polish, remove welding slag: being polished, remove the welding slag that periphery splashes by pincers tooth 3, obtain the profiled member that makes up tong, the profiled member that makes up tong includes pincers profiled member and lower pincers profiled member；
(9) processing handle 5: metal melting body is poured in the die cavity of handle mold, natural cooling, obtains handle profiled member；
(10) assemble: the one end of the outer pincers profiled member obtained in step (4) is flexibly connected with the one end of the profiled member that makes up tong obtained in step (8), the other end of the profiled member that makes up tong is connected with the handle profiled member obtained in step (9), makes the end of handle profiled member between upper pincers profiled member and lower pincers profiled member；After being completed, obtain geology tubing clamping device.
In step (3) and step (7), built-up welding uses chrome molybdenum surfacing welding electrode, and chrome molybdenum surfacing welding electrode before use, is put in the baking oven of 200 °～250 ° and toasted 2～3 hours, steadily move solder joint, without obvious docking point during built-up welding.
When the present invention uses, tubing being put into outer pincers 1 and the circular arc of 4 formation of making up tong, turning handle 5, handle 5 drives 4 rotations of making up tong, and makes outer pincers 1 and makes up tong 4 by tubing firm grip.The upper surface of pincers tooth 3 is plane, the arc surface that both sides are outwardly convex of pincers tooth 3, and pincers tooth contacts with each other and forms an entirety, and clamping face integral hardness is high, and clamping contact area is big, not easy damaged tubing, and service life is long, and average clamping number of times is 6500 times.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, if these amendments and modification are within the scope of the claims in the present invention and equivalent technologies thereof, then these amendments and modification are also within protection scope of the present invention.
The prior art that the content not described in detail in description is known to the skilled person.
Claims (6)
1. a geology tubing clamping device, including outer pincers (1) and make up tong (4), it is characterized in that: described outer pincers (1) are in arc-shaped, the Inner arc edge of outer pincers (1) is provided with pincers tooth (3), the upper surface of described pincers tooth (3) is plane, the arc surface that both sides are outwardly convex of pincers tooth (3), contacts with each other between adjacent pincers tooth (3)；Described make up tong (4) include pincers (4-1) and lower pincers (4-2), upper pincers (4-1) and lower pincers (4-2) are all in arc-shaped, upper pincers (4-1) are positioned at the top of lower pincers (4-2), the Inner arc edge of upper pincers (4-1) and lower pincers (4-2) is equipped with pincers tooth (3), the upper surface of described pincers tooth (3) is plane, the arc surface that both sides are outwardly convex of pincers tooth (3), contacts with each other between adjacent pincers tooth (3)；One end of described outer pincers (1) is flexibly connected with the one end of make up tong (4), outer pincers (1) can relatively rotate with make up tong (4), the end of outer pincers (1) is positioned between pincers (4-1) and lower pincers (4-2), the described other end making up tong (4) is provided with handle (5), and the end of handle (5) is positioned between pincers (4-1) and lower pincers (4-2).
2. geology tubing clamping device as claimed in claim 1, it is characterised in that: the quantity of the pincers tooth (3) of described outer pincers (1) is 8～15, and the quantity of the pincers tooth (3) of described upper pincers (4-1) and lower pincers (4-2) is 8～15.
3. geology tubing clamping device as claimed in claim 1 or 2, it is characterised in that: described upper pincers (4-1) and lower pincers (4-2) connect by contiguous block (4-3) is fixing.
4. geology tubing clamping device as claimed in claim 1 or 2, it is characterised in that: one end of described outer pincers (1) is flexibly connected with the one end of make up tong (4) by pin (2).
5. the manufacture method of the geology tubing clamping device as according to any one of Claims 1-4, it is characterised in that comprise the following steps:
(1) processing is outer clamps cast member: is poured into by metal melting body in the die cavity of outer pincers mold, natural cooling, obtains the outer pincers cast member of arc-shaped；
(2) processing outer pincers cast member groove: clamping the groove of the Inner arc edge Machining Arc shape of cast member outside, the spacing between the groove of circular arc is 1～2mm, forms projection between the groove of adjacent circular arc；
(3) built-up welding, is formed and clamps tooth: built-up welding in the projection at the Inner arc edge clamping cast member outside, make the groove of welding rod melt filling projection both sides, form pincers tooth, the upper surface of described pincers tooth is plane, the arc surface that both sides are outwardly convex of pincers tooth, contacts with each other between adjacent pincers tooth；
(4) polish, remove welding slag: described pincers tooth is polished, removes the welding slag that periphery splashes, obtain outer pincers profiled member；
(5) cast member that makes up tong is processed: being poured in the die cavity of the mold that makes up tong by metal melting body, natural cooling, obtain the cast member that makes up tong, the cast member that makes up tong includes that pincers cast member and lower pincers cast member, upper pincers cast member and lower pincers cast member are all in arc-shaped；
(6) process the cast member groove that makes up tong: at the groove of the Inner arc edge Machining Arc shape of upper pincers cast member and lower pincers cast member, the spacing between the groove of circular arc is 1～2mm, between the groove of adjacent circular arc, form projection；
(7) built-up welding, formed and clamp tooth: built-up welding in the projection at upper pincers cast member and the Inner arc edge of lower pincers cast member, make the groove of welding rod melt filling projection both sides, form pincers tooth, the upper surface of described pincers tooth is plane, the arc surface that both sides are outwardly convex of pincers tooth, contacts with each other between adjacent pincers tooth；
(8) polish, remove welding slag: being polished by described pincers tooth, remove the welding slag that periphery splashes, obtain the profiled member that makes up tong, the profiled member that makes up tong includes pincers profiled member and lower pincers profiled member；
(9) processing handle: metal melting body is poured in the die cavity of handle mold, natural cooling, obtains handle profiled member；
(10) assemble: the one end of the outer pincers profiled member obtained in step (4) is flexibly connected with the one end of the profiled member that makes up tong obtained in step (8), the other end of the profiled member that makes up tong is connected with the handle profiled member obtained in step (9), makes the end of handle profiled member between upper pincers profiled member and lower pincers profiled member；After being completed, obtain geology tubing clamping device.
6. the manufacture method of geology tubing clamping device as claimed in claim 5, it is characterized in that: in step (3) and step (7), described built-up welding uses chrome molybdenum surfacing welding electrode, described chrome molybdenum surfacing welding electrode is before use, put in the baking oven of 200 °～250 ° and toast 2～3 hours, during built-up welding, steadily move solder joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060254.7A CN104589257B (en) | 2015-02-05 | 2015-02-05 | Geology tubing clamping device and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060254.7A CN104589257B (en) | 2015-02-05 | 2015-02-05 | Geology tubing clamping device and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104589257A CN104589257A (en) | 2015-05-06 |
| CN104589257B true CN104589257B (en) | 2016-08-31 |
Family
ID=53115489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510060254.7A Expired - Fee Related CN104589257B (en) | 2015-02-05 | 2015-02-05 | Geology tubing clamping device and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104589257B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999236A (en) * | 2015-08-19 | 2015-10-28 | 中国能源建设集团天津电力建设有限公司 | Manufacturing and using method of clamp forceps for butt welding of thermal-control gauge pipes |
| CN107350732A (en) * | 2016-05-10 | 2017-11-17 | 上海伟荣医疗器材有限公司 | A kind of manufacturing process for wearing cheek formula dental forceps |
| CN106514139B (en) * | 2016-11-03 | 2018-09-14 | 山西太钢不锈钢股份有限公司 | A kind of production method of multi-function ball clamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317050Y (en) * | 1997-08-02 | 1999-05-05 | 申志喜 | Adjustable wrench |
| CN201455867U (en) * | 2009-07-03 | 2010-05-12 | 北京三孚莱石油科技有限公司 | Friction pipe plier |
| CN201537885U (en) * | 2009-07-01 | 2010-08-04 | 山东胜利新大实业集团有限公司 | Multifunctional tube clamp |
| CN201693468U (en) * | 2010-04-12 | 2011-01-05 | 曲献波 | Free tongs |
| CN202556307U (en) * | 2012-04-13 | 2012-11-28 | 曲献波 | New free plier |
| CN204431144U (en) * | 2015-02-05 | 2015-07-01 | 长沙锐合钻石工具有限公司 | Geology tubing clamping device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9434055B2 (en) * | 2013-04-01 | 2016-09-06 | Ridge Tool Company | Replaceable gripping inserts for wrenches |
-
2015
- 2015-02-05 CN CN201510060254.7A patent/CN104589257B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317050Y (en) * | 1997-08-02 | 1999-05-05 | 申志喜 | Adjustable wrench |
| CN201537885U (en) * | 2009-07-01 | 2010-08-04 | 山东胜利新大实业集团有限公司 | Multifunctional tube clamp |
| CN201455867U (en) * | 2009-07-03 | 2010-05-12 | 北京三孚莱石油科技有限公司 | Friction pipe plier |
| CN201693468U (en) * | 2010-04-12 | 2011-01-05 | 曲献波 | Free tongs |
| CN202556307U (en) * | 2012-04-13 | 2012-11-28 | 曲献波 | New free plier |
| CN204431144U (en) * | 2015-02-05 | 2015-07-01 | 长沙锐合钻石工具有限公司 | Geology tubing clamping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104589257A (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104589257B (en) | Geology tubing clamping device and manufacture method thereof | |
| JP2013519416A5 (en) | ||
| CN103002827B (en) | Medical cutting instrument | |
| CN204431144U (en) | Geology tubing clamping device | |
| CN209769248U (en) | Fixed inlaying equipment applied to jewelry | |
| EP0038242A1 (en) | Welding machines for rails or analogous products | |
| WO2021012436A1 (en) | File used for trimming edge gap of ceramic | |
| CN110340613A (en) | A method of repairing aluminium alloy section surface defect | |
| CN104759996A (en) | Pliers special for trimming steel wire butt welding spot | |
| US2560411A (en) | Method for making wire connecting devices | |
| CN212858587U (en) | Multi-angle clamp for hardware machining | |
| CN204711019U (en) | A kind of elastic hook location clamping riveting device | |
| CN208728886U (en) | A kind of electrode holders that security performance is excellent | |
| JP3141398U (en) | Tooth profile structure of suspension clamp | |
| US2301991A (en) | Device for the transmission of electric current from a relatively moved conductive surface | |
| CN215318275U (en) | Steel structure clamp | |
| CN103433680B (en) | Semiautomatic device for carrying out surfacing of transition metal on end face of electrode cap | |
| RU2198770C1 (en) | Segment of diamond cutting tool | |
| KR20200045787A (en) | braising material and manufacturing methods thereof, and braising methods thereby | |
| CN220762297U (en) | Spring external diameter manual adjustment bending forceps | |
| CN203918267U (en) | A kind of electric welding machine with file | |
| CN218020355U (en) | Solid sodium forming tool | |
| CN102962566B (en) | Welding clamp capable of rotationally clamping welding rod | |
| CN203171462U (en) | Inner-arc-shaped open mouth tongs | |
| CN209730655U (en) | A kind of electric wire peeling novel combined tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20200205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |