CN110332329A - A kind of ball-cock device with anticreep stem structure - Google Patents
A kind of ball-cock device with anticreep stem structure Download PDFInfo
- Publication number
- CN110332329A CN110332329A CN201910474243.1A CN201910474243A CN110332329A CN 110332329 A CN110332329 A CN 110332329A CN 201910474243 A CN201910474243 A CN 201910474243A CN 110332329 A CN110332329 A CN 110332329A
- Authority
- CN
- China
- Prior art keywords
- shell
- valve
- valve seat
- ball
- anticreep
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/06—Devices for relieving the pressure on the sealing faces for taps or cocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0626—Easy mounting or dismounting means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Abstract
The invention discloses a kind of ball-cock devices with anticreep stem structure, including first shell, sphere, valve seat and second shell, side inside the valve seat is provided with first shell, the other side inside the valve seat is provided with second shell, the both ends of the first shell and second shell are mounted on fixed block, and connecting rod is respectively and fixedly provided between fixed block, both ends inside the second shell are provided with fixture block, both ends inside the first shell, which are provided with, is respectively and fixedly provided with seal receptacle with the mutually matched card slot of fixture block, the two sides inside the valve seat.The present invention makes the present apparatus have anticreep stem structure by being equipped with position-limiting drum, sliding block and sliding slot, valve rod is during rotation, the internal slide for the sliding slot that the sliding block being uniformly arranged on the outside of valve rod is uniformly arranged on the inside of position-limiting drum always, the rotation process of more valve rods is limited, prevent valve rod is from moving up and down on the vertical plane, so as to avoid valve rod from being detached from valve seat.
Description
Technical field
The present invention relates to ball-cock device technical field, specially a kind of ball-cock device with anticreep stem structure.
Background technique
The opening and closing element of ball valve is a round sphere with holes, rotates 0-90 degree back and forth around valve rod axis using core
Movement, to achieve the purpose that open or close valve, there are many effect of ball valve, are generally used for doing switch cutoff or tune in pipeline
It saves medium to use, the sealing surface of ball valve is usually at the state with spherical surface closure, so being not easy by medium erosion, operation
It is convenient, simple and compact for structure, it can be used in operating conditions such as water natural gas sour solvents, but existing ball-cock device exists very
More problems or defect:
(1) traditional ball-cock device does not have anticreep stem structure, and valve rod is easy due to being rotated in use
It is detached from valve seat in use, so that there are some potential safety problemss for the present apparatus；
(2) traditional ball-cock device inconvenience places under repair, if the problem of inner body damage occurs after long-term use in ball valve, no
Ball valve can be dismantled, be placed under repair to inner body, so that the service life of ball-cock device is limited；
(3) traditional ball-cock device do not have decompression function, when ball valve close after, two valve base chamber valve chambers retention medium in case of
Temperature increases, and pressure will be increased, to avoid danger, be needed after reaching certain pressure value, valve chamber pressure releasing is fallen.
Summary of the invention
The purpose of the present invention is to provide a kind of ball-cock devices with anticreep stem structure, to solve above-mentioned background technique
Middle proposition places under repair and does not have the problem of decompression function without anticreep stem structure, inconvenience.
To achieve the above object, the invention provides the following technical scheme: a kind of ball-cock device with anticreep stem structure,
Including first shell, sphere, valve seat and second shell, the side inside the valve seat is provided with first shell, in the valve seat
The other side in portion is provided with second shell, and the both ends of the first shell and second shell are mounted on fixed block, and fixed block
Between be respectively and fixedly provided with connecting rod, the both ends inside the second shell are provided with fixture block, the both ends inside the first shell
It is provided with and is respectively and fixedly provided with seal receptacle, the inside of the valve seat with the mutually matched card slot of fixture block, the two sides inside the valve seat
It is fixed with sphere, and the top of sphere is equipped with valve rod, the top of the valve rod is equipped with handle, the top inside the valve seat
It is provided with position-limiting drum, and is provided with sliding slot on the inside of position-limiting drum, is equipped on the outside of the valve rod and the mutually matched cunning of sliding slot
Block, the top of the valve seat are welded with link block, and the bottom end of the valve seat is equipped with relief valve, and the top inside relief valve is set
It is equipped with spool, the relief valve is internally provided with valve body, and the bottom end inside the relief valve is provided with locking nut, described to let out
Side inside pressure valve is provided with relief outlet.
Preferably, through slot is provided on the inside of the sphere, and through slot is in cylindrical structure, the inside of the first shell
It is provided with intake tunnel, the second shell is internally provided with exhalant canal, and the diameter of through slot is equal to intake tunnel and goes out
The diameter of aquaporin.
Preferably, the top of the relief valve is connected with the bottom end inside valve seat.
Preferably, the quantity of the seal receptacle is 4, and center line symmetrical setting of the seal receptacle about sphere, seal receptacle
Side be provided with " O " type sealing ring.
Preferably, the fixture block and card slot constitute snap-in structure, the equal structure in the inside of the fixed block and the outside of connecting rod
At helicitic texture, the first shell and second shell constitute disassembly mounting structure.
Preferably, the sliding block is in " arc " type structure, and sliding block and sliding slot constitute slide construction.
Compared with prior art, the beneficial effects of the present invention are: there is the ball-cock device structure of anticreep stem structure to close for this
Reason, has the advantage that
(1) make the present apparatus that there is anticreep stem structure by being equipped with position-limiting drum, sliding block and sliding slot, valve rod is in rotation process
In, the internal slide for the sliding slot that the sliding block being uniformly arranged on the outside of valve rod is uniformly arranged on the inside of position-limiting drum always, more valve rods turn
Dynamic process is limited, prevent valve rod is from moving up and down on the vertical plane, so as to avoid valve rod from being detached from valve seat；
(2) make the present apparatus be convenient for repairing by being equipped with fixed block, connecting rod, fixture block and card slot, turn connecting rod, make
It obtains connecting rod to detach from fixed block, the fixture block at second shell both ends is detached from the card slot at first shell both ends, so as to
First shell and second shell are separated, convenient for placing under repair to ball valve inside, so that the service life of ball valve is longer；
(3) make this ball-cock device that there is decompression function by being equipped with locking nut, relief outlet and spool, turn locking screw
Mother, band movable valve plug is displaced outwardly, so that valve seat internal chamber is connected with relief outlet, so as to drainage valve body middle chamber
Internal pressure.
Detailed description of the invention
Fig. 1 is that the present invention faces the schematic diagram of the section structure；
Fig. 2 is first shell of the present invention and second shell present invention looks up structural representation；
Fig. 3 is position-limiting drum top view cross section structural schematic diagram of the present invention；
Fig. 4 is that relief valve of the present invention faces section enlarged structure schematic diagram.
In figure: 1, link block；2, first shell；3, valve rod；4, sphere；5, relief valve；6, seal receptacle；7, valve seat；8, it limits
Position cylinder；9, second shell；10, handle；11, connecting rod；12, fixed block；13, fixture block；14, card slot；15, sliding block；16, sliding slot；
17, valve body；18, locking nut；19, relief outlet；20, spool.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, a kind of embodiment provided by the invention: a kind of ball-cock device with anticreep stem structure, packet
Include first shell 2, sphere 4, valve seat 7 and second shell 9, the side inside valve seat 7 is provided with first shell 2, inside valve seat 7
The other side is provided with second shell 9, and the both ends of first shell 2 and second shell 9 are mounted on fixed block 12, and fixed block 12 it
Between be respectively and fixedly provided with connecting rod 11, the both ends inside second shell 9 are provided with fixture block 13, and the both ends inside first shell 2 are all provided with
It is equipped with and constitutes snap-in structure, the inside of fixed block 12 and connection with the mutually matched card slot 14 of fixture block 13, fixture block 13 and card slot 14
The outside of bar 11 constitutes helicitic texture, and first shell 2 and second shell 9 constitute disassembly mounting structure, 11 lateral wall of connecting rod
On the external screw thread that is uniformly arranged and the internal screw thread being uniformly arranged on 12 inner sidewall of fixed block cooperate so that connecting rod 11 can be with
It is moved inside fixed block 12, connecting rod 11 is extracted out from fixed block 12, fixture block 13 is extracted out from card slot 14, it can be by this
Ball valve is dismantled, so as to place under repair to inside this ball valve；
Two sides inside valve seat 7 are respectively and fixedly provided with seal receptacle 6, and the inside of valve seat 7 is fixed with sphere 4, and the top of sphere 4 is equipped with
Valve rod 3, the quantity of seal receptacle 6 is 4, and center line symmetrical setting of the seal receptacle 6 about sphere 4, the side of seal receptacle 6 are all provided with
It is equipped with " O " type sealing ring, seal receptacle 6 and " O " type sealing ring cooperate and can make the better tightness of this ball valve, avoid flowing
Body medium leaks out from the connection gap of sphere 4 and valve seat 7；
The inside of sphere 4 is provided with through slot, and through slot is in cylindrical structure, and first shell 2 is internally provided with intake tunnel, the
Two shells 9 are internally provided with exhalant canal, and the diameter of through slot is equal to the diameter of intake tunnel and exhalant canal, when this ball valve
When in opened condition, i.e., when through slot, intake tunnel and exhalant canal are in same horizontal line, fluid media (medium) is successively by water inlet
Channel, through slot and exhalant canal, and when ball valve is in closed state, i.e., through slot is respectively with intake tunnel and exhalant canal in straight
Angle, so that fluid media (medium) can not be by this ball valve；
The top of valve rod 3 is equipped with handle 10, and the top inside valve seat 7 is provided with position-limiting drum 8, and the inside setting of position-limiting drum 8
Have a sliding slot 16, the outside of valve rod 3 be equipped with the mutually matched sliding block 15 of sliding slot 16, sliding block 15 is in " arc " type structure, and sliding block
15 with sliding slot 16 constitute slide construction, valve rod 3 by sliding block 15 in 16 internal slide of sliding slot, can be to the rotation process of valve rod 3
It is limited, valve rod 3 is avoided to be detached from this ball-cock device in use, so that the safety is improved for this ball-cock device；
The top of valve seat 7 is welded with link block 1, and the bottom end of valve seat 7 is equipped with relief valve 5, and the top setting inside relief valve 5
There is spool 20, the top of relief valve 5 is connected with the bottom end inside valve seat 7, opens relief valve 5, can be by 7 internal chamber of valve seat
Pressure discharged, otherwise excessive there are some potential safety problemss for 7 internal pressure of valve seat；
Relief valve 5 is internally provided with valve body 17, and the bottom end inside relief valve 5 is provided with locking nut 18, inside relief valve 5
Side is provided with relief outlet 19.
Working principle: in use, user's swing handle 10, handle 10 is rotated with ovable valve stem 3, the sliding block 15 in 3 outside of valve rod
It is slided in the sliding slot 16 of 8 inside of position-limiting drum, the rotation process of valve rod 3 can be limited, avoid valve rod 3 in rotation process
Middle downward shift, while position-limiting drum 8 can also limit valve rod 3, avoid the left and right offset during rotation of valve rod 3, valve
Bar 3 drives sphere 4 to rotate, when sphere 4 is rotated 90 degree, so that the through slot and valve seat 7 inside sphere 4 are in same horizontal line
When, ball valve is in open state at this time, and medium can be by this ball valve, if through slot and the rectangular state of valve seat 7 inside sphere 4
When, ball valve is in closed state at this time, and medium cannot be made relief valve 5 when ball valve internal pressure is excessive by this ball valve
It opens, pressure release can be carried out, when the damage of ball valve inner body, connecting rod 11 can be turned, fixture block 13 is extracted out from card slot 14,
Valve seat 7 can be opened, be placed under repair to the part wherein damaged, link block 1 is fixed by fixing bolt and valve seat 7, can be with
The top position in 3 outside of valve rod is limited.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of ball-cock device with anticreep stem structure, including first shell (2), sphere (4), valve seat (7) and second shell
Body (9), it is characterised in that: the side inside the valve seat (7) is provided with first shell (2), another inside the valve seat (7)
Side is provided with second shell (9), and the both ends of the first shell (2) and second shell (9) are mounted on fixed block (12), and solid
Determine to be respectively and fixedly provided between block (12) connecting rod (11), the internal both ends of the second shell (9) are provided with fixture block (13), described
The internal both ends of first shell (2) are provided with and fixture block (13) mutually matched card slot (14), and the two of valve seat (7) inside
Side is respectively and fixedly provided with seal receptacle (6), and the inside of the valve seat (7) is fixed with sphere (4), and the top of sphere (4) is equipped with valve rod
(3), the top of the valve rod (3) is equipped with handle (10), and the internal top of the valve seat (7) is provided with position-limiting drum (8), and is limited
It is provided with sliding slot (16), is equipped on the outside of the valve rod (3) and sliding slot (16) mutually matched sliding block on the inside of position cylinder (8)
(15), the top of the valve seat (7) is welded with link block (1), and the bottom end of the valve seat (7) is equipped with relief valve (5), and pressure release
The internal top of valve (5) is provided with spool (20), and the relief valve (5) is internally provided with valve body (17), the relief valve (5)
Internal bottom end is provided with locking nut (18), and the internal side of the relief valve (5) is provided with relief outlet (19).
2. a kind of ball-cock device with anticreep stem structure according to claim 1, it is characterised in that: the sphere
(4) through slot is provided on the inside of, and through slot is in cylindrical structure, the first shell (2) is internally provided with intake tunnel, institute
The exhalant canal that is internally provided with of second shell (9) is stated, and the diameter of through slot is equal to the diameter of intake tunnel and exhalant canal.
3. a kind of ball-cock device with anticreep stem structure according to claim 1, it is characterised in that: the relief valve
(5) the top bottom end internal with valve seat (7) is connected.
4. a kind of ball-cock device with anticreep stem structure according to claim 1, it is characterised in that: the seal receptacle
(6) quantity is 4, and center line symmetrical setting of the seal receptacle (6) about sphere (4), the side of seal receptacle (6) are provided with
" O " type sealing ring.
5. a kind of ball-cock device with anticreep stem structure according to claim 1, it is characterised in that: the fixture block
(13) and card slot (14) constitutes snap-in structure, and the inside of the fixed block (12) and the outside of connecting rod (11) constitute screw thread knot
Structure, the first shell (2) and second shell (9) constitute disassembly mounting structure.
6. a kind of ball-cock device with anticreep stem structure according to claim 1, it is characterised in that: the sliding block
It (15) is in " arc " type structure, and sliding block (15) and sliding slot (16) constitute slide construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474243.1A CN110332329A (en) | 2019-06-03 | 2019-06-03 | A kind of ball-cock device with anticreep stem structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474243.1A CN110332329A (en) | 2019-06-03 | 2019-06-03 | A kind of ball-cock device with anticreep stem structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110332329A true CN110332329A (en) | 2019-10-15 |
Family
ID=68140670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910474243.1A Pending CN110332329A (en) | 2019-06-03 | 2019-06-03 | A kind of ball-cock device with anticreep stem structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110332329A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384282A (en) * | 2011-06-22 | 2012-03-21 | 昆山新莱洁净应用材料股份有限公司 | Ball valve |
| CN205136666U (en) * | 2015-11-11 | 2016-04-06 | 上海东宝阀门制造有限公司 | Metal hard seal floating ball valve |
| CN205841844U (en) * | 2016-06-27 | 2016-12-28 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of manual flanged ball valve |
| CN206361187U (en) * | 2016-12-09 | 2017-07-28 | 天津百利展发集团有限公司 | Position limiting structure in a kind of valve |
| US20180051824A1 (en) * | 2016-08-17 | 2018-02-22 | Cameron International Corporation | Flexible stem bellow assembly |
| CN108708977A (en) * | 2018-05-15 | 2018-10-26 | 扬州市扬修电力设备有限公司 | A kind of cavity discharge valve |
| CN208268463U (en) * | 2018-05-08 | 2018-12-21 | 浙江坤湧兴阀门有限公司 | Ball valve with valve stem spacing device |
-
2019
- 2019-06-03 CN CN201910474243.1A patent/CN110332329A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384282A (en) * | 2011-06-22 | 2012-03-21 | 昆山新莱洁净应用材料股份有限公司 | Ball valve |
| CN205136666U (en) * | 2015-11-11 | 2016-04-06 | 上海东宝阀门制造有限公司 | Metal hard seal floating ball valve |
| CN205841844U (en) * | 2016-06-27 | 2016-12-28 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of manual flanged ball valve |
| US20180051824A1 (en) * | 2016-08-17 | 2018-02-22 | Cameron International Corporation | Flexible stem bellow assembly |
| CN206361187U (en) * | 2016-12-09 | 2017-07-28 | 天津百利展发集团有限公司 | Position limiting structure in a kind of valve |
| CN208268463U (en) * | 2018-05-08 | 2018-12-21 | 浙江坤湧兴阀门有限公司 | Ball valve with valve stem spacing device |
| CN108708977A (en) * | 2018-05-15 | 2018-10-26 | 扬州市扬修电力设备有限公司 | A kind of cavity discharge valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209325059U (en) | A kind of disk butterfly valve of good airproof performance | |
| CN110332329A (en) | A kind of ball-cock device with anticreep stem structure | |
| CN209262272U (en) | Gas special flange butterfly valve | |
| CN105651472B (en) | The device and closure pressure-measuring method of combustion gas closure and standpipe pressure testing one | |
| CN107940048B (en) | Self-enclosed gas safety valving | |
| CN109681648A (en) | A kind of butterfly valve of lockable valve plate | |
| CN108036145A (en) | Quick-speed first-aid repair method when high-pressure water pipe, oil pipe are damaged | |
| CN108036146A (en) | Actively extend engaging means for what municipal high-pressure water pipe was quickly repaired | |
| CN108061170A (en) | The anti-tampering gate valve of telescopic band | |
| CN108006362B (en) | Actively it is connected equipment for the broken rapid rush-repair of municipal high-pressure water pipe | |
| CN110345257A (en) | A kind of built-in gas cylinder valve and the gas cylinder equipped with the valve | |
| CN208778747U (en) | Formula ball valve is torn on a kind of top open | |
| CN208281529U (en) | The anti-tampering gate valve of telescopic band | |
| CN213420303U (en) | Self-locking type inner plugging device for pipeline | |
| CN208364831U (en) | The good gate valve of flexibility | |
| CN211398602U (en) | Inflatable butterfly valve | |
| CN210484634U (en) | Novel cut-off valve | |
| CN209654647U (en) | Silica solution high platform ball valve | |
| CN208859149U (en) | A kind of protection flange convenient for subdivision | |
| CN113357414A (en) | Gas self-closing valve | |
| CN207470817U (en) | A kind of sampling valve | |
| CN209196359U (en) | A kind of natural gas extraction safety valve | |
| CN203940023U (en) | A kind of New forced seal ball-valve | |
| CN212273115U (en) | High-pressure ball valve | |
| CN204437353U (en) | A kind of ball valve valve rod assembly stopped ball valve and leak |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191015 |
|
| RJ01 | Rejection of invention patent application after publication |