CN108988219B - Electric wire device of skinning for electric power engineering - Google Patents
Electric wire device of skinning for electric power engineering Download PDFInfo
- Publication number
- CN108988219B CN108988219B CN201810590626.0A CN201810590626A CN108988219B CN 108988219 B CN108988219 B CN 108988219B CN 201810590626 A CN201810590626 A CN 201810590626A CN 108988219 B CN108988219 B CN 108988219B
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- CN
- China
- Prior art keywords
- half shell
- shell
- threaded
- electric wire
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
- H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
- H02G1/1248—Machines
- H02G1/1251—Machines the cutting element not rotating about the wire or cable
- H02G1/126—Machines the cutting element not rotating about the wire or cable making a longitudinal cut
Landscapes
- Sawing (AREA)
- Knives (AREA)
- Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
Abstract
The invention discloses an electric wire peeling device for electric power engineering, which comprises a first half shell, a connecting mechanism and a cutting mechanism, wherein a second half shell and a fourth half shell are respectively arranged at two sides of the first half shell, the first half shell and the second half shell are connected through the connecting mechanism, the first half shell and the fourth half shell are connected through the connecting mechanism, a third half shell is arranged between the second half shell and the fourth half shell, two opposite sides of the third half shell are respectively connected with the second half shell and the fourth half shell in a one-to-one correspondence manner through the connecting mechanism, and the electric wire peeling device has the advantages that: the electric wire peeling machine is in a round tube shape, is convenient to be attached to the outer surface of an electric wire, the distance between the four half shells is adjustable, so that the electric wire peeling machine can be suitable for peeling electric wires with various specifications, and the cutting mechanism is arranged, so that the electric wire peeling machine can cut the wrapping of the electric wire very conveniently, and further the electric wire peeling operation is simple and rapid.
Description
The technical field is as follows:
the invention belongs to the technical field of electric power engineering, and particularly relates to an electric wire stripping device for electric power engineering.
Background art:
the electric wire refers to a wire for transmitting electric energy. The bare wires, the electromagnetic wires and the insulated wires. The bare wires have no insulating layer and comprise copper, aluminum flat wires, overhead stranded wires and various profiles (such as molded lines, bus bars, copper bars, aluminum bars and the like). It is mainly used for outdoor overhead and indoor bus bars and switch boxes. Magnet wires are insulated wires that, when energized, produce a magnetic field or induce a current in a magnetic field. It is mainly used for motor and transformer coils and other relevant electromagnetic equipment. The conductor is mainly a copper wire, and has a thin insulating layer, good electrical and mechanical properties, heat resistance, moisture resistance, solvent resistance and the like. The invention provides a wire stripping device for electric power engineering, which can solve the problems that different insulating materials can be selected to obtain different characteristics, wires for electric power engineering are generally thicker cables, and the outer skins of the wires are much thicker than common wires, so the operation of stripping the wires is time-consuming and labor-consuming generally.
The invention content is as follows:
the invention aims to solve the problems and provide an electric wire stripping device for electric power engineering, which solves the defects of time and labor waste and the like of the traditional electric wire stripping operation.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides a device of skinning of electric wire for electric power engineering, includes first half shell, coupling mechanism and cutting mechanism, first half shell both sides are equipped with second half shell and fourth half shell respectively, be connected through coupling mechanism between first half shell and the second half shell, be connected through coupling mechanism between first half shell and the fourth half shell, be equipped with the third half shell between second half shell and the fourth half shell, the both sides that the third half shell is relative are passed through coupling mechanism and are connected with second half shell and fourth half shell one-to-one respectively, coupling mechanism includes the spring groove, the spring groove sets up on the side that first half shell, second half shell, third half shell and fourth half shell correspond each other, first spring connector and second spring connector are fixedly connected with respectively to the spring inslot portion bottom that first half shell, second half shell, third half shell and fourth half shell correspond each other, the first spring connector is connected with the second spring connector through a spring, and the first half shell outer side panel is fixedly connected with a cutting mechanism.
As preferred, cutting mechanism includes the casing, be equipped with the motor in the casing, motor one end welding has the connecting axle, the other end that the connecting axle is relative is connected with the mobile gear, the opposite side welding that the mobile gear is relative has the bearing, the opposite side welding that the bearing is relative has the cutter fixed block, cutter fixed block intermediate position is equipped with the screw thread handle of a knife, be equipped with the internal thread between cutter fixed block and the screw thread handle of a knife, screw thread handle of a knife upper end is connected with the overhead gage perpendicularly, threaded connection has correcting plate and No. two correcting plates on the screw thread handle of a knife, screw thread handle of a knife lower extreme is equipped with the blade that sets up at first half shell downside, just be connected.
As preferred, half first shell, half second shell, half third shell and half fourth shell all are the shape of quarter pipe, just the radian and the length of half first shell, half second shell, half third shell and half fourth shell are all the same, the welding of the casing inner wall that the moving gear corresponds has last pinion rack, the side panel welding has lower pinion rack on the half first shell that the moving gear corresponds, it is equipped with a plurality of flat teeth with a side panel that lower pinion rack corresponds to go up the pinion rack, just the moving gear is connected with the meshing of flat teeth.
Preferably, a second lantern ring is arranged between the threaded cutter handle and the first half shell.
Preferably, a first lantern ring is arranged between the threaded cutter handle and the shell.
Preferably, the upper side panel of the first correction plate is attached to the casing.
Preferably, the lower side panel of the second correction plate is attached to the first half shell.
Preferably, the blade is made of alloy steel.
The invention has the beneficial effects that:
1. the two sides of the first half shell are respectively provided with a second half shell and a fourth half shell, the first half shell and the second half shell are connected through a connecting mechanism, the first half shell and the fourth half shell are connected through a connecting mechanism, the third half shell is arranged between the second half shell and the fourth half shell, the two opposite sides of the third half shell are respectively connected with the second half shell and the fourth half shell in a one-to-one correspondence mode through the connecting mechanism, the first half shell, the second half shell, the third half shell and the fourth half shell are all in the shape of a quarter circular tube, and the radian and the length of the first half shell, the second half shell, the third half shell and the fourth half shell are all the same;
2. the connecting mechanism comprises a spring groove, the spring groove is arranged on the side edges of the first half shell, the second half shell, the third half shell and the fourth half shell which correspond to each other, the bottom ends of the inner parts of the spring grooves of the first half shell, the second half shell, the third half shell and the fourth half shell which correspond to each other are fixedly connected with a first spring connector and a second spring connector respectively, the first spring connector and the second spring connector are connected through a spring, and a cutting mechanism is fixedly connected to a panel on the outer side of the first half shell so as to change the distance between the four half shells, so that the wire peeling machine can be suitable for peeling wires of various specifications;
3. the cutting mechanism comprises a shell, a motor is arranged in the shell, a connecting shaft is welded at one end of the motor, a movable gear is connected at the other end, opposite to the connecting shaft, a bearing is welded at the other side, opposite to the movable gear, a cutter fixing block is welded at the other side, opposite to the bearing, a threaded cutter handle is arranged in the middle of the cutter fixing block, internal threads are arranged between the cutter fixing block and the threaded cutter handle, the upper end of the threaded cutter handle is vertically connected with an upper baffle, a first correcting plate and a second correcting plate are in threaded connection with the threaded cutter handle, a blade arranged on the lower side of the first half shell is arranged at the lower end of the threaded cutter handle, and the blade is connected with the threaded cutter handle through a lower baffle;
4. the upper side panel of the first correction plate is attached to the shell, and the lower side panel of the second correction plate is attached to the first half shell, so that the threaded tool shank can be kept in a vertical state with the first half shell when moving.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of the motor of the present invention;
FIG. 4 is a schematic view of the structure of the threaded shank of the present invention;
fig. 5 is a schematic structural view of the upper and lower toothed plates of the present invention.
In the figure: 1-a first half shell, 2-a second half shell, 3-a third half shell, 4-a fourth half shell, 5-a connecting mechanism, 6-a spring groove, 7-a first spring connector, 8-a second spring connector, 9-a spring, 10-a cutting mechanism, 11-a machine shell, 12-a motor, 13-a connecting shaft, 14-a moving gear, 15-an upper toothed plate, 16-a lower toothed plate, 17-a bearing, 18-a cutter fixing block, 19-an internal thread, 20-a threaded knife handle, 21-an upper baffle, 22-a lantern ring, 23-a first correcting plate, 24-a second correcting plate, 25-a second lantern ring, 26-a lower baffle, 27-a knife blade and 28-flat teeth.
The specific implementation mode is as follows:
as shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment: the utility model provides an electric wire peeling device for electric power engineering, includes first half shell 1, coupling mechanism 5 and cutting mechanism 10, 1 both sides of first half shell are equipped with second half shell 2 and fourth half shell 4 respectively, be connected through coupling mechanism 5 between first half shell 1 and the second half shell 2, be connected through coupling mechanism 5 between first half shell 1 and the fourth half shell 4, be equipped with third half shell 3 between second half shell 2 and the fourth half shell 4, the both sides that third half shell 3 is relative are passed through coupling mechanism 5 and are connected with second half shell 2 and fourth half shell 4 one-to-one respectively, coupling mechanism 5 includes spring groove 6, spring groove 6 sets up on the side that first half shell 1, second half shell 2, third half shell 3 and fourth half shell 4 correspond each other, first half shell 1, second half shell 2, third half shell 3 and fourth half shell 4 correspond each other on the connector 6 inside bottom of connector groove fixedly connected with first spring 7 and second spring 8 respectively The first spring connector 7 is connected with the second spring connector 8 through a spring 9, and a cutting mechanism 10 is fixedly connected to the outer side panel of the first half shell 1.
Wherein, cutting mechanism 10 includes casing 11, be equipped with motor 12 in the casing 11, the welding of motor 12 one end has connecting axle 13, the other end that connecting axle 13 is relative is connected with mobile gear 14, the opposite side welding that mobile gear 14 is relative has bearing 17, the opposite side welding that bearing 17 is relative has cutter fixed block 18, the 18 intermediate position of cutter fixed block is equipped with threaded shank 20, be equipped with internal thread 19 between cutter fixed block 18 and the threaded shank 20, threaded shank 20 upper end is connected with overhead gage 21 perpendicularly, threaded connection has correction plate 23 and No. two correction plates 24 on the threaded shank 20, threaded shank 20 lower extreme is equipped with the blade 27 that sets up at first half shell 1 downside, just be connected through baffle 26 down between blade 27 and the threaded shank 20.
Wherein, first half shell 1, second half shell 2, third half shell 3 and fourth half shell 4 all are the shape of quarter pipe, just the radian and the length of first half shell 1, second half shell 2, third half shell 3 and fourth half shell 4 are all the same, 11 inner wall welding of casing that the mobile gear 14 corresponds has last pinion rack 15, 1 upside panel welding of first half shell that the mobile gear 14 corresponds has lower pinion rack 16, it is equipped with a plurality of flat teeth 28 with a side panel that lower pinion rack 16 corresponds to go up pinion rack 15, just the mobile gear 14 is connected with the meshing of flat teeth 28.
And a second lantern ring 25 is arranged between the screwdriver handle 20 and the first half shell 1.
A first sleeve ring 22 is arranged between the screwdriver handle 20 and the casing 11.
Wherein, the upper side panel of the first correcting plate 23 is attached to the casing 11.
Wherein, the lower side panel of the second correction plate 23 is attached to the first half-shell 1.
Wherein the blade 27 is made of alloy steel.
Specifically, the method comprises the following steps: a wire stripping device for electric power engineering is disclosed, when in use, firstly a first half shell 1, a second half shell 2, a third half shell 3 and a fourth half shell 4 are separated, then wires are placed among the first half shell 1, the second half shell 2, the third half shell 3 and the fourth half shell 4, then the first half shell 1, the second half shell 2, the third half shell 3 and the fourth half shell 4 can be attached to the wires under the action of the pulling force of a spring 9, further the whole body of the wire stripping device is fixed on the wires, then a user utilizes an upper baffle plate 21 to rotate a threaded cutter handle 20, the threaded cutter handle 20 can rotate under the action of the reaction force of an internal thread 19 until the threaded cutter handle 20 pushes a blade 27 to pierce the outer skin of the wires, then the user turns on a motor 12, the motor 12 can drive a moving gear 14 to move between an upper toothed plate 15 and a lower toothed plate 16, the blade can also move along with the motor 12 under a series of transmission, and then lengthening the opening of the electric wire, when the length of the cut on the electric wire meets the requirement, a user can close the motor 12, then pinch the first half shell 1, the second half shell 2, the third half shell 3 and the fourth half shell 4 by hands to rotate the electric wire into a side cut, when the side cut is completed, the first half shell 1, the second half shell 2, the third half shell 3 and the fourth half shell 4 are separated, and then the electric wire is taken down.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (1)
1. The utility model provides an electric wire device of skinning for electric power engineering, includes half first shell (1), coupling mechanism (5) and cutting mechanism (10), its characterized in that: first half shell (1) both sides are equipped with second half shell (2) and fourth half shell (4) respectively, be connected through coupling mechanism (5) between first half shell (1) and second half shell (2), be connected through coupling mechanism (5) between first half shell (1) and fourth half shell (4), be equipped with third half shell (3) between second half shell (2) and fourth half shell (4), the both sides that third half shell (3) are relative pass through coupling mechanism (5) and are connected with second half shell (2) and fourth half shell (4) one-to-one respectively, coupling mechanism (5) are including spring groove (6), spring groove (6) set up on the side that first half shell (1), second half shell (2), third half shell (3) and fourth half shell (4) correspond each other, first half shell (1), second half shell (2), The bottom ends of the inner parts of the spring grooves (6) corresponding to each other of the third half shell (3) and the fourth half shell (4) are respectively and fixedly connected with a first spring connector (7) and a second spring connector (8), the first spring connector (7) and the second spring connector (8) are connected through a spring (9), and a cutting mechanism (10) is fixedly connected to a panel on the outer side of the first half shell (1); the cutting mechanism (10) comprises a machine shell (11), a motor (12) is arranged in the machine shell (11), one end of the motor (12) is welded with a connecting shaft (13), the other end, opposite to the connecting shaft (13), is connected with a movable gear (14), the other side, opposite to the movable gear (14), is welded with a bearing (17), the other side, opposite to the bearing (17), is welded with a cutter fixing block (18), a threaded cutter handle (20) is arranged in the middle of the cutter fixing block (18), an internal thread (19) is arranged between the cutter fixing block (18) and the threaded cutter handle (20), an upper baffle (21) is vertically connected to the upper end of the threaded cutter handle (20), a first correcting plate (23) and a second correcting plate (24) are in threaded connection on the threaded cutter handle (20), and a blade (27) arranged on the lower side of a first half shell (1), the blade (27) is connected with the threaded tool handle (20) through a lower baffle (26); the first half shell (1), the second half shell (2), the third half shell (3) and the fourth half shell (4) are all in the shape of a quarter round tube, the radian and the length of the first half shell (1), the second half shell (2), the third half shell (3) and the fourth half shell (4) are all the same, an upper toothed plate (15) is welded on the inner wall of a shell (11) corresponding to the moving gear (14), a lower toothed plate (16) is welded on the upper side panel of the first half shell (1) corresponding to the moving gear (14), a plurality of flat teeth (28) are arranged on a side panel corresponding to the upper toothed plate (15) and the lower toothed plate (16), and the moving gear (14) is meshed with the flat teeth (28); a second lantern ring (25) is arranged between the threaded cutter handle (20) and the first half shell (1); a first sleeve ring (22) is arranged between the threaded cutter handle (20) and the shell (11); the upper side panel of the first correcting plate (23) is attached to the shell (11); the lower side panel of the second correcting plate (23) is attached to the first half shell (1); the blade (27) is made of alloy steel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810590626.0A CN108988219B (en) | 2018-06-09 | 2018-06-09 | Electric wire device of skinning for electric power engineering |
| CN202010393708.3A CN111555195A (en) | 2018-06-09 | 2018-06-09 | Electric wire device of skinning for electric power engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810590626.0A CN108988219B (en) | 2018-06-09 | 2018-06-09 | Electric wire device of skinning for electric power engineering |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010393708.3A Division CN111555195A (en) | 2018-06-09 | 2018-06-09 | Electric wire device of skinning for electric power engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108988219A CN108988219A (en) | 2018-12-11 |
| CN108988219B true CN108988219B (en) | 2020-07-31 |
Family
ID=64540131
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010393708.3A Withdrawn CN111555195A (en) | 2018-06-09 | 2018-06-09 | Electric wire device of skinning for electric power engineering |
| CN201810590626.0A Expired - Fee Related CN108988219B (en) | 2018-06-09 | 2018-06-09 | Electric wire device of skinning for electric power engineering |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010393708.3A Withdrawn CN111555195A (en) | 2018-06-09 | 2018-06-09 | Electric wire device of skinning for electric power engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN111555195A (en) |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0990490B1 (en) * | 1998-10-02 | 2001-11-07 | Hans Oetiker AG Maschinen- und Apparatefabrik | Device for positioning, clamping and compacting a ring-shaped holder |
| RU2222080C2 (en) * | 2001-11-08 | 2004-01-20 | Акционерное общество закрытого типа "Контактор" | Hand-operated tool for cutting and stripping conductors |
| CN201345492Y (en) * | 2008-12-19 | 2009-11-11 | 北京市电力公司 | Peeler for insulated wires |
| JP2011223875A (en) * | 2011-07-11 | 2011-11-04 | Toshin Denki Kk | Barking tool for wire intermediate part |
| CN202930838U (en) * | 2012-10-11 | 2013-05-08 | 大连船舶重工集团有限公司 | Cable processing clamp |
| CN203056465U (en) * | 2012-12-06 | 2013-07-10 | 国家电网公司 | Jump ring type secondary cable insulation layer stripping device |
| CN203932857U (en) * | 2014-06-16 | 2014-11-05 | 于兴利 | The long feed device of wire stripper |
| CN204559015U (en) * | 2015-04-17 | 2015-08-12 | 桂林电子科技大学信息科技学院 | A kind of power construction cable sheath removal device |
| CN106898969B (en) * | 2015-12-17 | 2018-06-26 | 五冶集团上海有限公司 | Mineral cable Special wire stripping clamps |
| CN205565509U (en) * | 2016-02-18 | 2016-09-07 | 赵莉 | Insulator defroster |
| CN205565629U (en) * | 2016-04-28 | 2016-09-07 | 马鞍山市华能电力线路器材有限责任公司 | Pipe bus -bar clamp with elastic expansion volume |
| CN105914667B (en) * | 2016-06-23 | 2018-11-27 | 国网山东省电力公司济阳县供电公司 | Cable insulation stripping off device |
| CN106451246A (en) * | 2016-09-28 | 2017-02-22 | 国网四川省电力公司广安供电公司 | Annular cable stripping device |
| CN206555566U (en) * | 2017-01-10 | 2017-10-13 | 山西省工业设备安装有限公司 | A kind of pipeline elevator |
| CN107769100A (en) * | 2017-11-30 | 2018-03-06 | 国网吉林省电力有限公司经济技术研究院 | A kind of cable stripping machine |
-
2018
- 2018-06-09 CN CN202010393708.3A patent/CN111555195A/en not_active Withdrawn
- 2018-06-09 CN CN201810590626.0A patent/CN108988219B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN111555195A (en) | 2020-08-18 |
| CN108988219A (en) | 2018-12-11 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Li Inventor after: Luo Hong Inventor after: Chen Jinbin Inventor after: Miao E Inventor before: Miao E |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200703 Address after: 332000 courtyard of No. 74 Changhong Avenue, Xunyang District, Jiujiang City, Jiangxi Province Applicant after: JIUJIANG POWER SUPPLY BRANCH OF STATE GRID JIANGXI ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Applicant after: State Grid Jiangxi Electric Power Co.,Ltd. Jiujiang Sang Sang district power supply branch Address before: 264000 Room 215, Yuhuangding West Road, Zhifu District, Yantai, Shandong, 14 Applicant before: YANTAI ZHIXING INTELLECTUAL PROPERTY CONSULTING SERVICE Co.,Ltd. |
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| GR01 | Patent grant | ||
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| 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: 20200731 Termination date: 20210609 |