CN106217070B - The cutting method of spiral welded steel pipe - Google Patents
The cutting method of spiral welded steel pipe Download PDFInfo
- Publication number
- CN106217070B CN106217070B CN201610826848.9A CN201610826848A CN106217070B CN 106217070 B CN106217070 B CN 106217070B CN 201610826848 A CN201610826848 A CN 201610826848A CN 106217070 B CN106217070 B CN 106217070B
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- China
- Prior art keywords
- mobile mounting
- cutting
- steel pipe
- roller support
- welded steel
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- 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.)
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Classifications
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- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/74—Auxiliary tables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
A kind of cutting method of spiral welded steel pipe passes through guide rail and the roller support being arranged on guide rail using traditional numeric-control intersection-line cutting machine；And further through mobile mounting, using being arranged on mobile mounting, the mobile mounting on guide rail can be driven to move mounting driving device along what guide rail moved linearly, spiral welded steel pipe is clamped in the rotary chuck coupled with geared head, and whole spiral welded steel pipe is shelved on multigroup roller support of the upper end equipped with one group of universal wheel；According to the instruction of program control system, the linear motion of mobile mounting is set to match with by the rotation of cutting auger welded still pipe, keep roller support consistent with weld seam lead of screw with by the contact trace on cutting auger welded still pipe surface, roller support and colliding by the weld seam of cutting auger welded still pipe surface bulge are avoided completely, complete the random cutting of spiral welded steel pipe.
Description
Technical field
The present invention relates to a kind of cutting technique of metal tube, the cutting method and dress of especially a kind of spiral welded steel pipe
It sets, belongs to method for metal working and processing unit (plant) field.
Background introduction
The steel pipe for manufacturing and applying in world industry field at present is other than seamless steel pipe, the production of spiral welded steel pipe
It is also very huge with the amount that uses.Spiral welded steel pipe is that steel band is rolled into pipe by the angle (being forming angle) of certain helix
Then pipe seam is welded and is made by base, it can produce the steel pipe of major diameter with relatively narrow strip, have become steel tube profile
In occupy one of important tubing of suitable share.
Since the surface of spiral welded steel pipe finished product has the weld seam of spiral helicine protrusion, and tradition pipe cutting mutually passes through
Wire cutting machine is to hold steel pipe using several groups of roller supports, and clamping steel pipe with power chuck is allowed to rotation completion cutting.Therefore, exist
When steel pipe rotary the spiral weld on surface can inevitably contact roller, cause the kick for being processed steel pipe, being allowed to can not be into
Row cuts and causes a degree of damage of machine.So as to cause spiral welded steel pipe always can not with advanced technology simultaneously
It is cut on efficient numerical control plasma cutting machine, causes the post-production of spiral welded steel pipe very difficult, or even is many
Factory still has to using backward hand cutting process.
Therefore, how to solve effective cutting of the spiral welded steel pipe on numerical control plasma cutting machine and have become industrial circle
In an important topic.
Invention content
The purpose of the present invention：It is directed to a kind of effective on numerical control plasma cutting machine suitable for spiral welded steel pipe
The method of cutting, and the device suitable for this kind of cutting method.
The cutting method of this spiral welded steel pipe is realized by following technological approaches：
The cutting method of this spiral welded steel pipe, using by geared head 4, cutting Mobile base 1, cutter device 2, revotating card
The traditional numeric-control intersection-line cutting machine that disk 3, roller support 6, numerical control operating system 5 and pedestal 14 are constituted, it is characterised in that：Pass through
Be arranged one on pedestal 14 group with one group of guide rail 10 being radially arranged and be arranged in guide rail by cutting auger welded still pipe 7
One group of universal wheel 16 is equipped with by multigroup upper end on 10 and can be moved back and forth in the weld seam section 17 of adjacent two helical raised
Roller support 6；And further through being arranged in 6 lower part of roller support, with roller support be in the mobile mounting 8 that is fixedly connected, using setting
It sets on mobile mounting, the mobile mounting 8 on guide rail can be driven to move mounting driving device along what guide rail moved linearly, by spiral
Welded still pipe 7 is clamped in the rotary chuck 3 coupled with geared head 4, and whole spiral welded steel pipe 7 is shelved on upper end and is set
On the multigroup roller support 6 for having one group of universal wheel 16；According to the instruction of program control system, make the linear motion of mobile mounting with
Matched by the rotation of cutting auger welded still pipe, make roller support with by the contact trace on cutting auger welded still pipe surface with
The weld seam lead of screw of protrusion is consistent, avoids roller support completely and by the weld seam of cutting auger welded still pipe surface bulge
It collides, completes the random cutting of spiral welded steel pipe.
The mobile mounting driving device include the rack 13 being arranged in I-shaped guide rail 10, mobile mounting 8, with
And the decelerating motor 11 on mobile mounting 8 is set, by the rotation for the transmission gear 12 being arranged on decelerating motor output end
And the controllable driving device of the mobile mounting of composition is engaged with rack；Lead to mobile mounting 8 and is fixedly connected with mobile mounting upper
Portion's roller support 6 is constituted carries out controllable displacement according to the instruction of numerical control operating system.
The mobile mounting driving device can also use ball the linear guide purchased in market, and mobile mounting 8 is directly set
It sets in ball the linear guide, the upper roller support for controlling mobile mounting 8 using decelerating motor and being fixedly connected with mobile mounting 8
6 synchronous shift of frame.
The mobile mounting driving device is also come using leading screw auxiliary drive gear or sprocket wheel chain transmission mechanism
6 synchronous shift of upper roller bracket control mobile mounting 8 and be fixedly connected with mobile mounting 8.
A kind of cutter device of spiral welded steel pipe, including：Numerical control operating system 5, the geared head being arranged on pedestal 14
4, Mobile base 1, cutter device 2, rotary chuck 3, roller support 6 are cut, it is characterised in that：6 top of roller support is set
There are universal wheel 16, multigroup roller support 6 to constitute support by the mobile mounting 8 being connect with its underpart and set by cutting auger welded still pipe
7 removable combined bracket；The both sides of the mobile mounting 8 are equipped with the T-slot coordinated with roller support 6, and in Mobile base
The bottom of frame is equipped with several idler wheels 9 and shelves one group of guide rail 10 of idler wheel；Meanwhile the mobile mounting 8 be equipped with by
The decelerating motor 11 in numerical control operating system 5 is controlled, the side of the guide rail 10 is equipped with rack 13, and is exported by decelerating motor 11
The transmission gear 12 at end engages the mobile mounting 8 for constituting and being controlled by numerical control operating system 5 with rack 13.
The mobile mounting 8 is equipped with one group of card wheel 15, this group of card wheel 15 is clamped with guide rail two sides；Pass through this group of card wheel
15 make mobile mounting 8 move linearly along guide rail 10.
The frame body both sides of the mobile mounting 8 are equipped with T-slot, and 6 lower part of roller support is bolted
In the T-slot of mobile base frame body.
According to the cutting method and cutter device of this spiral welded steel pipe that above technical scheme proposes, using numerical control
When intersection-line cutting machine carries out the cutting of spiral welded steel pipe, the linear motion of mobile mounting is controlled by program and by cutting pipe
Rotation match, the idler wheel on bracket use Roll structure.The contact trace of bracket and tube surface and weld seam spiral
Helical pitch is consistent, such pipe no matter forward or reverse, mounting and roller support also therewith just or reversed axial movement, on bracket
Roll avoids always collides with the spiral weld of the protrusion of tube surface；It can thus make the pipe cut rotation flat
Surely to successfully be cut.
Description of the drawings
Fig. 1 is the layout and schematic device of traditional numeric-control pipe intersection-line cutting machine；
Fig. 2 is the schematic layout pattern with traditional numeric-control pipe intersection-line cutting machine cutting auger welded still pipe；
Fig. 3 is the overall structure diagram for the cutter special for capableing of cutting processing spiral welded steel pipe；
Fig. 4 is the structure and operation schematic diagram of removable mounting；
Fig. 5 is the close-up schematic view of decelerating motor driving structure part in Fig. 4；
Fig. 6 is mobile mounting, pedestal and bracket assembling schematic diagram (the dextrad view of Fig. 4)；
Fig. 7 is the vertical view of Fig. 4.
In figure：1- cuts the 6- rollings of Mobile base 2- cutter device 3- rotary chuck 4- geared head 5- numerical control operating systems
Wheel carrier bracker 7- cutting processing parts 8- moves mounting 9- idler wheel 10- guide rail 11- decelerating motor 12- transmission gear 13- racks
14- pedestal 15- card wheel 16- universal wheel 17- helical form weld seams.
Specific implementation mode
Below in conjunction with Figure of description, the present invention is further explained, and provides the embodiment of the present invention.
Such as the cutting method of Fig. 3-this spiral welded steel pipes shown in Fig. 7, invention is characterized by：Top is equipped with
The roller support group that the roller support of universal wheel is constituted, constituting one by the Mobile base frame being connect with its underpart can grasp in numerical control
Make under the control of system, so that the linear motion of mobile mounting is matched with by the rotation of cutting auger welded still pipe, make idler wheel support
Frame is consistent with weld seam lead of screw with by the contact trace on cutting auger welded still pipe surface, effectively avoids helical form weld seam to cutting
The influence cut.
The cutting method of this spiral welded steel pipe is specific as follows：
The cutting method of this spiral welded steel pipe, using by geared head 4, cutting Mobile base 1, cutter device 2, revotating card
The traditional numeric-control intersection-line cutting machine that disk 3, roller support 6, numerical control operating system 5 and pedestal 14 are constituted, it is characterised in that：Pass through
Be arranged one on pedestal 14 group with one group of guide rail 10 being radially arranged and be arranged in guide rail by cutting auger welded still pipe 7
One group of universal wheel 16 and can be in the idler wheel support of the helical form weld seam 17 of adjacent two helical raised is equipped with by multigroup upper end on 10
Frame 6；And it further through being arranged in 6 lower part of roller support, with roller support being in the mobile mounting 8 that is fixedly connected, is being moved using setting
On dynamic mounting 8, the mobile mounting 8 on guide rail can be driven to move mounting driving device along what guide rail moved linearly, by cutting processing
Part 7 is clamped in the rotary chuck 3 coupled with geared head 4, and whole spiral welded steel pipe 7 is shelved on upper end and is equipped with one group
On multigroup roller support 6 of universal wheel 16；According to the instruction of program control system, makes the linear motion of mobile mounting and cut
The rotation of spiral welded steel pipe matches, and makes roller support and by the contact trace on cutting auger welded still pipe surface and protrusion
Weld seam lead of screw is consistent, avoids roller support and colliding by the weld seam of cutting auger welded still pipe surface bulge completely,
Complete the random cutting of spiral welded steel pipe.
The mobile mounting driving device include the rack 13 being arranged in I-shaped guide rail 10, mobile mounting 8, with
And the decelerating motor 11 on mobile mounting 8 is set, by the rotation for the transmission gear 12 being arranged on decelerating motor output end
And the controllable driving device of the mobile mounting of composition is engaged with rack；Lead to mobile mounting 8 and is fixedly connected with mobile mounting upper
Portion's roller support 6 is constituted carries out controllable displacement according to the instruction of numerical control operating system.
Another selection as mobile mounting driving device：The guide rail of the mobile mounting driving device may be used
Mobile mounting 8 is directly coupled on the slide of ball the linear guide, is controlled using decelerating motor by ball the linear guide purchased in market
Mobile mounting 8 and the upper roller bracket 6 being fixedly connected with mobile mounting 8 are constituted can according to the instruction progress of numerical control operating system
Control the mobile mounting driving device of displacement.
In addition, the mobile mounting driving device, can also utilize the leading screw auxiliary driving in tradition machinery design principle
Mechanism or sprocket wheel chain transmission mechanism come the upper roller bracket 6 that controls mobile mounting 8 and be fixedly connected with mobile mounting 8,
Respectively constitute the mobile mounting driving device by leading screw auxiliary drive gear or the transmission of sprocket wheel chain transmission mechanism；It is achieved in
Keep roller support consistent with the weld seam lead of screw of protrusion with by the contact trace on cutting auger welded still pipe surface, avoids completely
Roller support and colliding by the weld seam of cutting auger welded still pipe surface bulge complete arbitrarily cutting for spiral welded steel pipe
It cuts.
The operation principle of this mobile mounting driving device is as follows：
It is equipped with the roller support 6 of universal wheel 16 by being arranged on the guide rail 10 of pedestal 14, by multigroup upper end, and passes through
The mobile mounting 8 being connect with 6 lower part of roller support and the rack 13 being arranged in guide rail 10 and mating mobile mounting drive
Spiral welded steel pipe 7 is clamped in and geared head 4 by dynamic device using the intersection-line cutting machine of traditional pipe cutting as basic boom
In the rotary chuck 3 of connection, and whole spiral welded steel pipe 7 is shelved on multigroup idler wheel that upper end is equipped with one group of universal wheel 16
On bracket 6；According to the instruction of program control system, make the linear motion of mobile mounting and by the rotation of cutting auger welded still pipe
Match, keeps roller support consistent with weld seam lead of screw with by the contact trace on cutting auger welded still pipe surface, manipulating
The random cutting of spiral welded steel pipe is completed under the control of system.
The cutter device of this spiral welded steel pipe as shown in Figure 3, including：Numerical control operating system 5 is arranged in pedestal 14
On geared head 4, cutting Mobile base 1, cutter device 2, rotary chuck 3 and roller support 6, it is characterised in that：The idler wheel
6 top of bracket is equipped with universal wheel 16, and multigroup roller support 6 is shelved by the composition of mobile mounting 8 being connect with its underpart and cut
The removable combined bracket of spiral welded steel pipe 7；The both sides of the mobile mounting 8 are equipped with the T-type coordinated with roller support 6
Slot, and be equipped with several idler wheels 9 in the bottom of mobile mounting and shelve one group of guide rail 10 of idler wheel；Meanwhile the movement
Mounting 8, which is equipped with, is controlled by the decelerating motor 11 of numerical control operating system 5, and the side of the guide rail 10 is equipped with rack 13, and by
The transmission gear 12 of 11 output end of decelerating motor engages the mobile mounting 8 for constituting and being controlled by numerical control operating system 5 with rack 13.
Since all roller supports 6 being mounted on mobile mounting 8, the distance between roller support is adjustable and with
The spiral weld helical pitch on spiral welded steel pipe surface is identical.In cutting, the linear motion of mobile mounting 8 is controlled by program and quilt
The rotation of cutting auger welded pipe 7 matches, and the idler wheel on bracket uses Roll structure.Contact of the bracket with tube surface
Track is consistent with weld seam lead of screw, such pipe no matter forward or reverse, mounting and roller support also just or reversed move therewith
Dynamic, the Roll on bracket avoids always collides with the spiral weld of the protrusion of tube surface.It can thus make to be cut
Pipe stability of rotation to successfully being cut.
Fig. 4 gives the concrete structure of mobile mounting 8, and the frame body both sides of the mobile mounting 8 are equipped with T-slot, described
6 lower part of roller support be bolted in the T-slot of mobile base frame body.With one group of roller support of T-slot bolt-connection
6.The distance between roller support in T-slot move adjust, according to the helical pitch of the spiral weld 17 of the steel pipe cut come
It determines the distance between each roller support 6, adjusts distance and be fixed later with T-slot bolt.The two of mobile mounting 8
On the bottom of side be equipped with several idler wheels 9, one side or it is bilateral be equipped with motor and speed reducer 11.Moving herein below base frame body is
One group of guide rail 10；The guide rail of the available ball the linear guide or schematic structure bought from market of this guide rail；Illustrate the upper flat of guide rail
Face is contacted with idler wheel 9, rack 13 is housed in guide rail side, the output shaft of motor reducer is equipped with transmission gear 12, transmission gear
12 are meshed passing power with rack 13.
The roller support 6 is arranged between two adjacent helical form weld seams 17 of spiral welded steel pipe 7.
The mobile mounting 8 is equipped with one group of card wheel 15 (see attached drawing 6), makes mobile mounting 8 by this group of card wheel 15 and leads
Rail two sides are clamped.The accuracy constraint that this card wheel 15 blocks 10 two side faces of guide rail, plays the role of linear motion.If using ball
The linear guide need not then have this card wheel 15 and idler wheel 9.
In summary；When cutting machine is in cutting auger welded still pipe, adjusted previously according to the spiral weld helical pitch of steel pipe
The distance of whole tray chamber and the ratio that movement speed and steel pipe velocity of rotation that this moves mounting are set.Automatic in steel pipe cuts
During cutting, mobile mounting 8 and one group of roller support for being connected thereto face can automatically carry out the movement along steel pipe axis,
Always the spiral weld for avoiding the protrusion on steel pipe, so as to successfully cutting processing spiral welded steel pipe.Due to this idler wheel support
The idler wheel of frame 6 is circumferencial direction and axial resultant motion with the contact of steel tube surface, therefore is indicated in figure 6, the rolling of bracket
Wheel uses Roll structure.
More than, only it is the embodiment of the present invention that the applicant provides according to basic intention, it is any to be carried out according to this intention
Improvement, every technical solution similar with driving device proposed by the present invention belong to the scope protected of the present invention.
Claims (4)
1. a kind of cutting method of spiral welded steel pipe, using by geared head (4), cutting Mobile base (1), cutter device (2), rotation
Turn the traditional numeric-control intersection-line cutting machine that chuck (3), roller support (6), numerical control operating system (5) and pedestal (14) are constituted,
It is characterized in that：It is led with one group be radially arranged with by cutting auger welded still pipe (7) by one group be arranged on pedestal (14)
Rail (10) and setting are equipped with one group of universal wheel (16) by multigroup upper end on guide rail (10) and can be convex in adjacent two helical form
The roller support (6) that the helical form weld seam (17) risen moves back and forth；And further through setting in roller support (6) lower part and idler wheel
Bracket is in the mobile mounting (8) that is fixedly connected, using setting on mobile mounting (8), mobile mounting (8) on guide rail can be driven
Mounting driving device is moved along what guide rail was moved forward and backward, spiral welded steel pipe (7) is clamped in the rotation coupled with geared head (4)
In chuck (3), and whole spiral welded steel pipe (7) is shelved on multigroup roller support that upper end is equipped with one group of universal wheel (16)
(6) on；According to the instruction of program control system, make the linear motion of mobile mounting with by the rotation phase of cutting auger welded still pipe
Matching keeps roller support consistent with the weld seam lead of screw of protrusion with by the contact trace on cutting auger welded still pipe surface, complete
Avoid roller support and colliding by the weld seam of cutting auger welded still pipe surface bulge entirely, complete spiral welded steel pipe with
Meaning cutting.
2. a kind of cutting method of spiral welded steel pipe as described in claim 1, it is characterised in that：The mobile mounting drives
Dynamic device includes the rack (13) being arranged in I-shaped guide rail (10), mobile mounting (8) and setting in mobile mounting
(8) decelerating motor (11) on is nibbled by the rotation of the transmission gear (12) being arranged on decelerating motor output end and with rack
It is combined into the controllable driving device of mobile mounting；The upper roller support for leading to mobile mounting (8) and being fixedly connected with mobile mounting
Frame (6) is constituted carries out controllable displacement according to the instruction of numerical control operating system.
3. a kind of cutting method of spiral welded steel pipe as described in claim 1, it is characterised in that：The mobile mounting drives
Dynamic device is that mobile mounting (8) is set up directly in ball the linear guide, the electricity that slows down is utilized by ball the linear guide purchased in market
Upper roller bracket (6) synchronous shift machine control mobile mounting (8) and be fixedly connected with mobile mounting (8), is constituted according to number
The instruction for controlling operating system carries out the mobile mounting driving device of controllable displacement.
4. a kind of cutting method of spiral welded steel pipe as described in claim 1, it is characterised in that：The mobile mounting drives
Dynamic device is the driving mechanism using leading screw auxiliary driving, or is the driving mechanism of sprocket wheel chain transmission, is driven using lead screw pair
Mechanism or sprocket wheel chain driving mechanism are come the upper roller support that controls mobile mounting (8) and be fixedly connected with mobile mounting (8)
Frame (6) synchronous shift constitutes the mobile mounting driving device that controllable displacement is carried out according to the instruction of numerical control operating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826848.9A CN106217070B (en) | 2016-09-18 | 2016-09-18 | The cutting method of spiral welded steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826848.9A CN106217070B (en) | 2016-09-18 | 2016-09-18 | The cutting method of spiral welded steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106217070A CN106217070A (en) | 2016-12-14 |
| CN106217070B true CN106217070B (en) | 2018-08-21 |
Family
ID=58076445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610826848.9A Expired - Fee Related CN106217070B (en) | 2016-09-18 | 2016-09-18 | The cutting method of spiral welded steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106217070B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107322077B (en) * | 2017-06-07 | 2019-04-09 | 燕山大学 | A kind of steel pipe is cut off online and bevel apparatus |
| CN107457508B (en) * | 2017-07-31 | 2019-04-30 | 浩科机器人（苏州）有限公司 | It is a kind of efficiently, full rotation type intelligence welding equipment and its working method |
| CN109366446B (en) * | 2018-10-30 | 2022-01-21 | 中国一冶集团有限公司 | Electric displacement line drawing device and lofting method for intersecting line of special-shaped spiral body |
| CN111515449B (en) * | 2020-04-21 | 2021-12-10 | 华油钢管有限公司 | Pipe cutting combination method and system |
| CN117655442B (en) * | 2024-01-24 | 2024-05-17 | 意特利（滁州）智能数控科技有限公司 | Guide rail cutting support tool |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003019694A (en) * | 2001-07-10 | 2003-01-21 | Oyane Riki Mfg Co Ltd | Circle cutter |
| CN201020604Y (en) * | 2007-04-26 | 2008-02-13 | 吉林省华信实业集团有限公司 | Intersection line cutting machine |
| CN202199894U (en) * | 2011-07-26 | 2012-04-25 | 南京奥特电气有限公司 | Dual-shaft numerical control automatic powder-spraying scribing and flame/plasma cutting machine for pipeline |
| CN202824815U (en) * | 2012-09-26 | 2013-03-27 | 上海莱克气割机有限公司 | Cutting machine suitable for pipe with small diameter |
| CN203448747U (en) * | 2013-05-20 | 2014-02-26 | 上海莱克气割机有限公司 | Multifunctional cutting machine for tube intersection line |
| CN205464929U (en) * | 2016-04-06 | 2016-08-17 | 高志发 | Intersecting line cutting machine |
-
2016
- 2016-09-18 CN CN201610826848.9A patent/CN106217070B/en not_active Expired - Fee Related
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| CN106217070A (en) | 2016-12-14 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 201321 Shanghai city Pudong New Area Shenjiang Road No. 3888 Applicant after: SHANGHAI LAIKE CUTTING MACHINE CO.,LTD. Address before: 201321 Shanghai city Pudong New Area Shenjiang Road No. 3888 Applicant before: SHANGHAI LAIKE GAS CUTTING MACHINE Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 |
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