CN107537214A - Ball valve of pipeline blowdown filter - Google Patents
Ball valve of pipeline blowdown filter Download PDFInfo
- Publication number
- CN107537214A CN107537214A CN201710823774.8A CN201710823774A CN107537214A CN 107537214 A CN107537214 A CN 107537214A CN 201710823774 A CN201710823774 A CN 201710823774A CN 107537214 A CN107537214 A CN 107537214A
- Authority
- CN
- China
- Prior art keywords
- ball valve
- cylinder
- pipeline
- collecting tank
- blowdown filter
- 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.)
- Pending
Links
- 239000007787 solid Substances 0.000 claims abstract description 26
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 239000010865 sewage Substances 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims description 19
- 239000007789 gas Substances 0.000 abstract description 13
- 239000000356 contaminant Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007654 immersion Methods 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
- 239000003345 natural gas Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of Ball valve of pipeline blowdown filter, including solid collecting tank, body and high-pressure oil pipe：Solid collecting tank is the cylindrical structure of inner hollow and upper end open, and the bottom of solid collecting tank is made up of screen pack；Body is inner hollow and the cylindrical structure being vertically arranged, the positioning disc made of screen pack is coaxially arranged with body, solid collecting tank is placed on positioning disc, the upper end lateral wall of body is provided with a breach, and a cylinder is arranged with body, and cylinder can move axially along body, to open or cover breach, the upper end of body is provided with feed pipe, and steam vent is provided with the bottom side of the wall of body, and the lower end of body is provided with through hole；One end of high-pressure oil pipe connects and connected with the sewage draining exit of Ball valve of pipeline, and the other end is connected and connected with feed pipe.The filter apparatus configuration of the present invention is simple, quickly can discharge the booty in Ball valve of pipeline, and can will be dirty in solid, fluid and gas separation, contaminant removal effectiveness it is high.
Description
Technical field
The present invention relates to Ball valve of pipeline field.A kind of it is more particularly related to Ball valve of pipeline blowdown filter.
Background technology
Ball valve of pipeline is widely used in Long-distance Transmission Pipeline to be used to block gas circuit, is advised according to Ball valve of pipeline Operation and Maintenance
Journey to Ball valve of pipeline, it is necessary to periodically note cleaning fluid immersion, blowdown, injection lubricating grease progress valve maintenance maintenance, to valve blowdown
When open blowoff valve and pass through the directly external blowdown of sewage draining exit.It is miscellaneous in the lubricating grease and pipeline of injection before existing in valve pocket
Matter, blowoff valve is directly opened during one side ball valve blowdown and externally discharges dirty, causes technique scene dirty；On the other hand in valve chamber
When carrying out valve blowdown, because valve chamber space is relatively closed, gas accumulation is easily caused, causes fire explosion, it is also possible to is drawn
Play the potential safety hazards such as valve chamber operating personnel asphyxia.
Blocking sewage draining exit with rag during valve blowdown at present prevents from discharging dirty splashing, but operates inconvenient and blowoff valve and open
Winged rag can be rushed when spending larger, influences blowdown operating efficiency.
The content of the invention
It is high it is an object of the invention to provide a kind of contaminant removal effectiveness, and prevent the Ball valve of pipeline blowdown of dirty leakage from filtering dress
Put.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of Ball valve of pipeline blowdown filter, including it is solid
Body collecting tank, body and high-pressure oil pipe：
The solid collecting tank is the cylindrical structure of inner hollow and upper end open, the bottom wall of the solid collecting tank by
Screen pack is made；
The body is inner hollow and the cylindrical structure being vertically arranged, and is coaxially arranged with the body by screen pack
The body interior is divided into separate upper space and lower space by manufactured positioning disc, the positioning disc,
The solid collecting tank is arranged in the upper space and is coaxially disposed within the positioning disc, outside the upper end of the body
Side wall is provided with a breach, and the body upper end is arranged with a cylinder, and the cylinder can move axially along the outer wall of the body, with
The breach is opened or covers, the upper center of the body is provided with the feed pipe connected with the upper space vertically, described
The steam vent of a side wall for running through the body is provided with the bottom side of the wall of body, the lower end of the body is provided with one and is used to discharge
The through hole of fluid；
One end of the high-pressure oil pipe is connected and connected with the sewage draining exit of the Ball valve of pipeline, the other end and the feed pipe
Connect and connect.
Preferably, in described Ball valve of pipeline blowdown filter, in addition to blast pipe, the blast pipe level are set
Put, its one end connects with the steam vent, and the other end extends to outside the body.
Preferably, in described Ball valve of pipeline blowdown filter, it is additionally provided with the blast pipe for controlling institute
State the valve of blast pipe switch.
Preferably, in described Ball valve of pipeline blowdown filter, in addition to discharging tube, the discharging tube are set vertically
Put, its one end connects with the through hole, and the other end extends to outside the body.
Preferably, in described Ball valve of pipeline blowdown filter, in addition to base, the base are arranged on described
Below body, it is connected by the more connecting rods being vertically arranged with the lower end of the body.
Preferably, in described Ball valve of pipeline blowdown filter, it is additionally provided with the discharging tube for controlling institute
State the valve of discharging tube switch.
Preferably, in described Ball valve of pipeline blowdown filter, level is prolonged laterally for the upper end end of the body
Stretching has the abutting part of annular shape, and the lower end of the abutting part is coaxially provided with the first annular matched with cylinder upper end end
Groove, the cylinder is axially moved upward to when covering the breach, and the upper end of the cylinder is connected to first annular
In groove.
Preferably, in described Ball valve of pipeline blowdown filter, the bottom of the body is arranged with limiting cylinder, institute
The upper end for stating limiting cylinder is coaxially provided with the second toroidal cavity matched with the cylinder lower end, the cylinder axially to
Under be moved to open the breach when, the lower end of the cylinder is connected in second toroidal cavity.
The present invention it is simple in construction, can quickly by Ball valve of pipeline booty discharge, and can will be dirty in consolidate
Body, fluid and gas separation, contaminant removal effectiveness are high.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of Ball valve of pipeline blowdown filter of the present invention；
Fig. 2 is the structural representation of Ball valve of pipeline blowdown filter of the present invention；
Fig. 3 is the sectional view of Ball valve of pipeline blowdown filter of the present invention；
Fig. 4 is the structural representation of solid collecting tank of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be noted that in the description of the invention, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of the description present invention and simplifies description, is not instruction or implies signified dress
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the invention
System.
Fig. 1-Fig. 4 is a kind of Ball valve of pipeline blowdown filter provided in an embodiment of the present invention, including solid collecting tank 10,
Body 20 and high-pressure oil pipe：
The solid collecting tank 10 is the cylindrical structure of inner hollow and upper end open, the bottom of the solid collecting tank 10
Wall is made up of screen pack；
The body 20 is inner hollow and the cylindrical structure being vertically arranged, and is coaxially arranged with the body 20 by mistake
Positioning disc 21 made of filter screen, the positioning disc 21 will be divided into inside the body 20 separate upper space and
Lower space, the solid collecting tank 10 are arranged in the upper space and are coaxially disposed within the positioning disc 21, institute
The upper end lateral wall for stating body 20 is provided with a breach, and the upper end of body 20 is arranged with a cylinder 22, and the cylinder 22 can be along institute
The outer wall axial movement of body 20 is stated, to open or cover the breach, the upper center of the body 20 is provided with and institute vertically
The feed pipe 23 of upper space connection is stated, the row of a side wall for running through the body 20 is provided with the bottom side of the wall of the body 20
Stomata, the lower end of the body 20 are provided with a through hole for being used for exhaust fluid；
One end of the high-pressure oil pipe is connected and connected with the sewage draining exit of the Ball valve of pipeline, the other end and the feed pipe
23 connect and connect.
In above-mentioned technical proposal, the sewage draining exit of Ball valve of pipeline is connected with the charging aperture of body 20 by high-pressure oil pipe, so
Solid collecting tank 10 is placed on positioning disc 21 afterwards, while one is provided with through body 20 in the bottom side of the wall of body 20
The steam vent of side wall, the lower end of body 20 are provided with a through hole for being used for exhaust fluid, after the blowoff valve of opening conduits ball valve, pipeline
Dirty in ball valve is entered in high-pressure oil pipe from sewage draining exit, is entered back into body 20, is fallen in solid collecting tank 10, due to
The bottom wall of solid collecting tank 10 is made up of screen pack, and positioning disc 21 is also made up of screen pack, and solid matter can not be by so
Can will be dirty in solids stay in filter vat, and it is dirty it is middle can cross by the fluid of screen pack and gas can from
Flow out in screen pack, fallen on from upper space in lower space, thus can will be dirty in solids stay in solid collection
In groove 10, and the dirty middle fluid that can be crossed by solid collecting tank 10 and positioning disc 21 and the outflow of gas can, enter
In lower space, gas can overflow from steam vent, because gas is mainly the natural gas of residual, it can be collected or returned
Receive, avoid it from escaping into air, fluid can flow out from the through hole of the lower end of body 20；Thus can will be dirty in consolidate
Body, fluid and gas separate.
In described Ball valve of pipeline blowdown filter, in addition to blast pipe 24, the blast pipe 24 is horizontally disposed, one
End connects with the steam vent, and the other end extends to outside the body 20.
In another technical solution, by setting blast pipe 24, it is easy to the row that the gas in lower space is had into sensing
Go out, be easy to collect, prevent gas from directly being escaped from steam vent.
In described Ball valve of pipeline blowdown filter, it is additionally provided with the blast pipe 24 for controlling the blast pipe
The valve of 24 switches.
In another technical solution, the valve for controlling blast pipe 24 to switch is additionally provided with blast pipe 24, just
In the switch of blast pipe 24, in the case where the gas at initial stage of filtering is less, postpone the discharge of gas.
In described Ball valve of pipeline blowdown filter, in addition to discharging tube 25, the discharging tube 25 are vertically arranged, one
End connects with the through hole, and the other end extends to outside the body 20.
In another technical solution, by setting discharging tube 25, it is easy to the row that the fluid in lower space is had into sensing
Go out, be easy to collection to handle.
In described Ball valve of pipeline blowdown filter, in addition to base 30, the base 30 are arranged on the body 20
Lower section, it is connected by the more connecting rods being vertically arranged 31 with the lower end of the body 20.
In another technical solution, for the ease of the normal use of discharging tube 25, base 30 is set below body 20,
Base 30 and the lower end of body 20 are connected by the more connecting rods being vertically arranged 31 so that the lower end of discharging tube 25 is in hanging shape
State, the fluid for being easy to processing wherein to flow out.
In described Ball valve of pipeline blowdown filter, it is additionally provided with the discharging tube 25 for controlling the discharging tube
The valve of 25 switches.
In another technical solution, the valve for controlling discharging tube 25 to switch is additionally provided with discharging tube 25, just
In the switch of discharging tube 25, in the case where the fluid at initial stage of filtering is less, postpone the discharge of fluid.
As shown in Fig. 2 in described Ball valve of pipeline blowdown filter, the upper end end of the body 20 is horizontal laterally
The abutting part 26 of annular shape is extended with, the lower end of the abutting part 26 is coaxially provided with the matched with the upper end end of cylinder 22
One toroidal cavity 27, the cylinder 22 are moved axially upwards to when covering the breach, and the upper end of the cylinder 22 is connected to
In first toroidal cavity 27.
In another technical solution, the upper end of body 20 is arranged to external diameter of the radius more than cylinder 22, and in body
The lower end of 20 upper ends end circular abutting part 26 horizontal-extending laterally is coaxially provided with to be matched with the upper end end of body 20
The first toroidal cavity 27, when the upper end of cylinder 22 is connected in the first toroidal cavity 27, you can by cylinder 22 and this
The abutting part 26 of the upper end of body 20 is fixed, you can covers breach by cylinder 22.
As shown in figure 1, in described Ball valve of pipeline blowdown filter, the bottom of the body 20 is arranged with limiting cylinder
28, the upper end of the limiting cylinder 28 is coaxially provided with the second toroidal cavity 29 matched with the lower end of cylinder 22, institute
State cylinder 22 to move axially downwards to when opening the breach, the lower end of the cylinder 22 is connected to second toroidal cavity
In 29.
In another technical solution, limiting cylinder 28 is arranged in the bottom of body 20, and in the upper end of limiting cylinder 28
The second toroidal cavity 29 matched with the lower end of body 20 coaxially is provided with, the lower end of cylinder 22 is connected to the second annular
In groove 29, you can fix cylinder 22 and limiting cylinder 28, you can open breach.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the embodiment with description.
Claims (8)
1. a kind of Ball valve of pipeline blowdown filter, including solid collecting tank (10), body (20) and high-pressure oil pipe, its feature exist
In：
The solid collecting tank (10) is the cylindrical structure of inner hollow and upper end open, the bottom of the solid collecting tank (10)
Wall is made up of screen pack；
The body (20) is inner hollow and the cylindrical structure being vertically arranged, and is coaxially arranged with the body (20) by mistake
Positioning disc made of filter screen (21), the positioning disc (21) will be divided into separate top inside the body (20)
Space and lower space, the solid collecting tank (10) is arranged in the upper space, and is coaxially disposed within the setting circle
On disk (21), the upper end lateral wall of the body (20) is provided with a breach, and body (20) upper end is arranged with a cylinder (22),
The cylinder (22) can move axially along the outer wall of the body (20), to open or cover the breach, the body (20)
Upper center be provided with the feed pipe (23) that is connected with the upper space vertically, be provided with the bottom side of the wall of the body (20)
One runs through the steam vent of the side wall of the body (20), and the lower end of the body (20) is provided with a through hole for being used for exhaust fluid；
One end of the high-pressure oil pipe is connected and connected with the sewage draining exit of the Ball valve of pipeline, the other end and the feed pipe (23)
Connect and connect.
2. Ball valve of pipeline blowdown filter as claimed in claim 1, it is characterised in that described also including blast pipe (24)
Blast pipe (24) is horizontally disposed, and its one end connects with the steam vent, and the other end extends outside to the body (20).
3. Ball valve of pipeline blowdown filter as claimed in claim 2, it is characterised in that also set up on the blast pipe (24)
There is the valve for controlling the blast pipe (24) to switch.
4. Ball valve of pipeline blowdown filter as claimed in claim 1, it is characterised in that described also including discharging tube (25)
Discharging tube (25) is vertically arranged, and its one end connects with the through hole, and the other end extends outside to the body (20).
5. Ball valve of pipeline blowdown filter as claimed in claim 4, it is characterised in that also including base (30), the bottom
Seat is arranged on below the body (20), and it is connected by the lower end of the more connecting rods being vertically arranged (31) and the body (20)
Connect.
6. Ball valve of pipeline blowdown filter as claimed in claim 5, it is characterised in that also set up on the discharging tube (25)
There is the valve for controlling the discharging tube (25) to switch.
7. the Ball valve of pipeline blowdown filter as described in claim any one of 1-5, it is characterised in that the body (20)
Upper end end is horizontal-extending laterally an abutting part (26) of annular shape, the lower end of the abutting part (26) be coaxially provided with it is described
The first toroidal cavity (27) of cylinder (22) upper end end matching, the cylinder (22) move axially upwards described scarce to covering
During mouth, the upper end of the cylinder (22) is connected in first toroidal cavity (27).
8. Ball valve of pipeline blowdown filter as claimed in claim 7, it is characterised in that the bottom of the body (20) is arranged
Limited location cylinder (28), the upper end of the limiting cylinder (28) are coaxially provided with matched with the cylinder (22) lower end second
Toroidal cavity (29), when the cylinder (22) is moved axially downwards to the opening breach, the lower end card of the cylinder (22)
It is connected in second toroidal cavity (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823774.8A CN107537214A (en) | 2017-09-13 | 2017-09-13 | Ball valve of pipeline blowdown filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823774.8A CN107537214A (en) | 2017-09-13 | 2017-09-13 | Ball valve of pipeline blowdown filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107537214A true CN107537214A (en) | 2018-01-05 |
Family
ID=60964149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710823774.8A Pending CN107537214A (en) | 2017-09-13 | 2017-09-13 | Ball valve of pipeline blowdown filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107537214A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386541A (en) * | 2018-05-04 | 2018-08-10 | 阜阳安固锅炉压力容器制造有限公司 | A kind of pressure vessel and its working method with blowdown buffer unit |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB521613A (en) * | 1938-11-23 | 1940-05-27 | Frederick John Miller | Improvements in, or relating to, electric torches |
| US5115949A (en) * | 1989-04-06 | 1992-05-26 | Bielsteiner Verschlusstechnik Gmbh | Flexible liquid container with a sliding closure cap |
| US6478047B1 (en) * | 2001-01-05 | 2002-11-12 | Hunter Innovations, Inc. | Backflow prevention apparatus |
| US20030115833A1 (en) * | 2000-02-01 | 2003-06-26 | Troy Richey | Method and apparatus for packaging objects in a shipping container |
| JP2004081996A (en) * | 2002-08-27 | 2004-03-18 | Yamashin Kogyo Kk | Filter apparatus |
| US20070044578A1 (en) * | 2005-08-31 | 2007-03-01 | Jones John S | Sampling device |
| CN201969372U (en) * | 2010-11-18 | 2011-09-14 | 郭伟 | Chinese herb distilling preparation device |
| CN105921018A (en) * | 2016-05-19 | 2016-09-07 | 苏州优斯曼环保科技有限公司 | Superfilter with filter element convenient to replace |
| CN206285555U (en) * | 2016-12-28 | 2017-06-30 | 杭州威斯诺威科技有限公司 | A kind of simple filter apparatus for liquid fertilizer reactor |
| CN207169211U (en) * | 2017-09-13 | 2018-04-03 | 中石化川气东送天然气管道有限公司 | Ball valve of pipeline blowdown filter |
-
2017
- 2017-09-13 CN CN201710823774.8A patent/CN107537214A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB521613A (en) * | 1938-11-23 | 1940-05-27 | Frederick John Miller | Improvements in, or relating to, electric torches |
| US5115949A (en) * | 1989-04-06 | 1992-05-26 | Bielsteiner Verschlusstechnik Gmbh | Flexible liquid container with a sliding closure cap |
| US20030115833A1 (en) * | 2000-02-01 | 2003-06-26 | Troy Richey | Method and apparatus for packaging objects in a shipping container |
| US6478047B1 (en) * | 2001-01-05 | 2002-11-12 | Hunter Innovations, Inc. | Backflow prevention apparatus |
| JP2004081996A (en) * | 2002-08-27 | 2004-03-18 | Yamashin Kogyo Kk | Filter apparatus |
| US20070044578A1 (en) * | 2005-08-31 | 2007-03-01 | Jones John S | Sampling device |
| CN201969372U (en) * | 2010-11-18 | 2011-09-14 | 郭伟 | Chinese herb distilling preparation device |
| CN105921018A (en) * | 2016-05-19 | 2016-09-07 | 苏州优斯曼环保科技有限公司 | Superfilter with filter element convenient to replace |
| CN206285555U (en) * | 2016-12-28 | 2017-06-30 | 杭州威斯诺威科技有限公司 | A kind of simple filter apparatus for liquid fertilizer reactor |
| CN207169211U (en) * | 2017-09-13 | 2018-04-03 | 中石化川气东送天然气管道有限公司 | Ball valve of pipeline blowdown filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386541A (en) * | 2018-05-04 | 2018-08-10 | 阜阳安固锅炉压力容器制造有限公司 | A kind of pressure vessel and its working method with blowdown buffer unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200908 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant after: China Petroleum & Chemical Corp. Applicant after: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. Address before: 430223 Hubei Wuhan City, Wuhan City, East Lake New Technology Development Zone Optics Valley Avenue No. 126 Sichuan Gas East pipeline project, the 1-5 layer of the Wuhan control center Applicant before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: CHINA PETROLEUM & CHEMICAL Corp. Applicant after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant before: CHINA PETROLEUM & CHEMICAL Corp. Applicant before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180105 |
|
| RJ01 | Rejection of invention patent application after publication |