CN108506514A - A kind of age of a draught animal ball-valve structure - Google Patents
A kind of age of a draught animal ball-valve structure Download PDFInfo
- Publication number
- CN108506514A CN108506514A CN201810698123.5A CN201810698123A CN108506514A CN 108506514 A CN108506514 A CN 108506514A CN 201810698123 A CN201810698123 A CN 201810698123A CN 108506514 A CN108506514 A CN 108506514A
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- CN
- China
- Prior art keywords
- valve
- sphere
- deck
- ball
- rod
- 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.)
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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
- 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
-
- 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
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K5/06—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
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
-
- 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 present invention provides a kind of age of a draught animal ball-valve structures, including：Ball valve body, valve body, the first valve deck, the second valve deck；It is provided with valve body on the ball valve body；The both ends of the valve body are respectively arranged with the first valve deck and the second valve deck, and the first valve deck and the second valve deck are connect with valve body by screw rod and nut；The valve body is internally provided with sphere；The sphere is provided at both ends with valve seat；The upper end of the sphere is provided with valve rod；It is provided with stuffing-box on the outside of the valve rod；It is provided with sealing ring on the valve rod；Gland is provided on the upside of the stuffing-box, and gland is connected with valve body by bolt.The present invention has reasonable in design by the improvement to age of a draught animal ball-valve structure, makes sphere without departing from center, service life is long, and sealing effect is good, is readily disassembled, the advantages that being conveniently replaceable vulnerable part, the problem of being proposed in background technology one to the effective solution present invention and deficiency.
Description
Technical field
The present invention relates to valve technology fields, more specifically, more particularly to a kind of age of a draught animal ball-valve structure.
Background technology
In China, ball valve be widely used petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power,
The industries such as municipal administration, steel occupy very important status in national economy.It is with the action being rotated by 90 °, faucet body
Sphere has circular through hole or channel to pass through its axis.Ball valve is mainly used to make the stream for cutting off, distributing and changing medium in pipeline
Dynamic direction, it only needs the rotating torque with the operation and very little that are rotated by 90 ° that can close tightly.
But it is elongated slot at the cooperation of ball valve used at present, valve rod and sphere, the upper and lower position of sphere cannot be fixed, when
In use for some time, there are when a small amount of abrasions, sphere will move down valve seat, and sphere is made to deviate center, and sphere is detached from
Behind center, if being further continued for using, it is easily damaged valve body.
Invention content
The purpose of the present invention is to provide a kind of age of a draught animal ball-valve structure, to solve the sphere proposed in background technology to moving down
The problem of moving deviation center, being easily damaged valve body and deficiency.
To achieve the above object, the present invention provides a kind of age of a draught animal ball-valve structure, reached by technological means in detail below：
A kind of age of a draught animal ball-valve structure, including：Ball valve body, valve body, the first valve deck, the second valve deck, valve seat, sphere, valve rod, filler
Gland, stuffing-box, handle, handle sleeve, screw rod, nut, sealing ring；It is provided with valve body on the ball valve body；The valve body
Both ends are respectively arranged with the first valve deck and the second valve deck, and the first valve deck and the second valve deck are connected with valve body by screw rod and nut
It connects；The valve body is internally provided with sphere；The sphere is provided at both ends with valve seat；The upper end of the sphere is provided with valve
Bar；It is provided with stuffing-box on the outside of the valve rod；It is provided with sealing ring on the valve rod；It is provided with and fills out on the upside of the stuffing-box
Expect gland, and gland is connected with valve body by bolt；Handle is provided on the valve rod, and handle passes through spiral shell with valve rod
Bolt is connected；Handle sleeve is provided on the handle, and the handle sleeve is connected with handle by fitting mode.
Preferably, the upper end of the sphere is provided with dovetail groove, and the dovetail groove is matched with the lower end of valve rod.
Preferably, the lower end of the stuffing-box is provided with sealing ring, and the sealing ring passes through fitting mode phase with valve rod
Connection.
Preferably, gasket, and the gasket and valve are both provided on the end face of first valve deck and the second valve deck
Lid is connected by embedded mode.
Preferably, the lower part of the valve rod is provided with annular ditch groove, and the groove is matched with sealing ring.
Preferably, first valve deck and the second valve deck are arranged in symmetrical expression at the both ends of valve body, and the first valve deck and the
Two valve decks are connected by screw rod and nut.
Preferably, described two valve seats are arranged in symmetrical expression in the both sides of sphere, and valve seat is matched with sphere.
The working method of above-mentioned age of a draught animal ball-valve structure：Valve seat is matched with sphere, standard-sized sheet or it is fully closed when, sphere and valve seat
Sealing surface be isolated with medium, medium by when, the erosion of valve sealing face, the dovetail groove and valve of the upper end of sphere will not be caused
The lower end of bar matches, and makes sphere without departing from center, extends the service life of ball valve, the annular ditch groove fitting of stem lower portion
There is sealing ring, further increase the sealing effect of valve rod, the sealing ring of the lower end of stuffing-box reduces mill of the valve rod to filler
Damage, so as to avoid the leakage of filler, extends the service life of filler, the first valve deck and the second valve deck are symmetrically mounted on valve body
Both ends, connected, be readily disassembled by screw rod and nut, be conveniently replaceable vulnerable part, on the end face of the first valve deck and the second valve deck
It is both provided with gasket, is connect with valve deck by gasket, enhances the sealing performance of ball valve.
Due to the application of the above technical scheme, the present invention has following advantages compared with prior art：
1, the present invention is provided with dovetail groove, and the matched setting in the lower end of dovetail groove and valve rod, sphere by the upper end of sphere
It is connected by dovetail with valve rod, makes sphere without departing from center, extend the service life of ball valve.
2, the present invention is provided with sealing ring by the lower end of stuffing-box, and sealing ring is connected with valve rod by fitting mode
Setting, reduce abrasion of the valve rod to filler, so as to avoid the leakage of filler, extend the service life of filler.
3, the present invention is arranged in symmetrical expression at the both ends of valve body by the first valve deck and the second valve deck, and the first valve deck and the
Two valve decks are connected by screw rod and nut, are readily disassembled, are conveniently replaceable vulnerable part.
4, the present invention is by the improvement to age of a draught animal ball-valve structure, has reasonable in design, makes sphere without departing from centre bit
It sets, service life is long, and sealing effect is good, the advantages that being readily disassembled, be conveniently replaceable vulnerable part, to the effective solution present invention
The problem of being proposed in background technology one and deficiency.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the portions the A enlarged structure schematic diagram of the present invention.
In figure：Ball valve body 1, valve body 2, the first valve deck 3, the second valve deck 4, valve seat 5, sphere 6, valve rod 7, gland 8,
Stuffing-box 9, handle 10, handle sleeve 11, screw rod 12, nut 13, sealing ring 14.
Specific implementation mode
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 describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
It should be noted that in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two with
On；The orientation of the instructions such as term "upper", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion "
Or position relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of instruction or hint meaning or element must have a particular orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance.
Meanwhile in the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection " should be done
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；Can be mechanical connection,
Can also be to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Fig. 1 to Fig. 2 is referred to, the present invention provides a kind of particular technique embodiment of age of a draught animal ball-valve structure：
A kind of age of a draught animal ball-valve structure, including：Ball valve body 1, valve body 2, the first valve deck 3, the second valve deck 4, valve seat 5, sphere 6, valve
Bar 7, gland 8, stuffing-box 9, handle 10, handle sleeve 11, screw rod 12, nut 13, sealing ring 14；It is arranged on ball valve body 1
There is valve body 2；The both ends of valve body 2 are respectively arranged with the first valve deck 3 and the second valve deck 4, and the first valve deck 3 and the second valve deck 4 and valve
Body 2 is connected by screw rod 12 and nut 13；Valve body 2 is internally provided with sphere 6；Sphere 6 is provided at both ends with valve seat 5；Sphere 6
Upper end be provided with valve rod 7；The outside of valve rod 7 is provided with stuffing-box 9；Sealing ring 14 is provided on valve rod 7；Stuffing-box 9 it is upper
Side is provided with gland 8, and gland 8 is connected with valve body 2 by bolt；Handle 10, and handle are provided on valve rod 7
10 are connected with valve rod 7 by bolt；Handle sleeve 11 is provided on handle 10, and handle sleeve 11 passes through fitting mode with handle 10
It is connected.
Specifically, the upper end of sphere 6 is provided with dovetail groove, and dovetail groove is matched with the lower end of valve rod 7, sphere 6 and valve
Bar 7 is connected by dovetail, is made sphere 6 without departing from center, is extended the service life of ball valve.
Specifically, the lower end of stuffing-box 9 is provided with sealing ring, and sealing ring is connected with valve rod 7 by fitting mode, is subtracted
Small abrasion of the valve rod 7 to filler extends the service life of filler so as to avoid the leakage of filler.
Specifically, gasket is both provided on the end face of the first valve deck 3 and the second valve deck 4, and gasket passes through with valve deck 4
Embedded mode is connected, and enhances leakproofness.
Specifically, the lower part of valve rod 7 is provided with annular ditch groove, and groove is matched with sealing ring 14, further increases valve
The sealing effect of bar 7.
Specifically, the first valve deck 3 and the second valve deck 4 are arranged in symmetrical expression at the both ends of valve body 2, and the first valve deck 3 and the
Two valve decks 4 are connected by screw rod 12 and nut 13, are readily disassembled, are conveniently replaceable vulnerable part.
Specifically, two valve seats 5 are arranged in symmetrical expression in the both sides of sphere 6, and valve seat 5 is matched with sphere 6, in standard-sized sheet
Or when fully closed, the sealing surface of sphere 6 and valve seat 5 is isolated with medium, medium by when, the erosion of valve sealing face will not be caused.
The working method of the present invention：When using the age of a draught animal ball valve, valve seat 5 is matched with sphere 6, in standard-sized sheet or fully closed
When, the sealing surface of sphere 6 and valve seat 5 is isolated with medium, medium by when, the erosion of valve sealing face, while ball will not be caused
The dovetail groove of the upper end of body 6 is matched with the lower end of valve rod 7, is made sphere without departing from center, is extended the service life of ball valve,
And the annular ditch groove of 7 lower part of valve rod is sheathed with sealing ring 14, further increase the sealing effect of valve rod 7, other stuffing-box 9
The sealing ring of lower end reduces abrasion of the valve rod 7 to filler, and so as to avoid the leakage of filler, extend filler uses the longevity
Life, the first valve deck 3 and the second valve deck 4 are symmetrically mounted on the both ends of valve body 2 in addition, are connected, are easy to by screw rod 12 and nut 13
Dismounting, is conveniently replaceable vulnerable part, is both provided with gasket on the end face of the first valve deck 3 and the second valve deck 4, passes through gasket and valve
Lid 4 connects, and enhances the sealing performance of ball valve.
In summary：A kind of age of a draught animal ball-valve structure of the present invention, dovetail groove, and dovetail groove are provided with by the upper end of sphere
With the matched setting in lower end of valve rod, sphere is connected with valve rod by dovetail, is made sphere without departing from center, is extended ball
The service life of valve；The lower end of stuffing-box is provided with sealing ring, and sealing ring is connected with valve rod by fitting mode
Setting, reduces abrasion of the valve rod to filler, so as to avoid the leakage of filler, extends the service life of filler；Pass through
One valve deck and the second valve deck are arranged in symmetrical expression at the both ends of valve body, and the first valve deck and the second valve deck are connected by screw rod and nut
It connects, is readily disassembled, be conveniently replaceable vulnerable part.The present invention has reasonable in design by the improvement to age of a draught animal ball-valve structure, makes
For sphere without departing from center, service life is long, and sealing effect is good, the advantages that being readily disassembled, be conveniently replaceable vulnerable part, to have
The present invention that solves the problems, such as of effect proposes and deficiency in background technology one.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of age of a draught animal ball-valve structure, including：Ball valve body（1）, valve body（2）, the first valve deck（3）, the second valve deck（4）, valve seat
（5）, sphere（6）, valve rod（7）, gland（8）, stuffing-box（9）, handle（10）, handle sleeve（11）, screw rod（12）, nut
（13）, sealing ring（14）；It is characterized in that：The ball valve body（1）On be provided with valve body（2）；The valve body（2）Both ends point
It is not provided with the first valve deck（3）And second valve deck（4）, and the first valve deck（3）And second valve deck（4）With valve body（2）Pass through screw rod
（12）And nut（13）Connection；The valve body（2）Be internally provided with sphere（6）；The sphere（6）Be provided at both ends with valve seat
（5）；The sphere（6）Upper end be provided with valve rod（7）；The valve rod（7）Outside be provided with stuffing-box（9）；The valve rod
（7）On be provided with sealing ring（14）；The stuffing-box（9）Upside be provided with gland（8）, and gland（8）With valve
Body（2）It is connected by bolt；The valve rod（7）On be provided with handle（10）, and handle（10）With valve rod（7）Pass through bolt phase
Connection；The handle（10）On be provided with handle sleeve（11）, and the handle sleeve（11）With handle（10）Pass through fitting mode phase
Connection.
2. a kind of age of a draught animal ball-valve structure according to claim 1, it is characterised in that：The sphere（6）Upper end be provided with
Dovetail groove, and the dovetail groove and valve rod（7）Lower end match.
3. a kind of age of a draught animal ball-valve structure according to claim 1, it is characterised in that：The stuffing-box（9）Lower end setting
There are sealing ring, and the sealing ring and valve rod（7）It is connected by fitting mode.
4. a kind of age of a draught animal ball-valve structure according to claim 1, it is characterised in that：First valve deck（3）And second valve
Lid（4）End face on be both provided with gasket, and the gasket and valve deck（4）It is connected by embedded mode.
5. a kind of age of a draught animal ball-valve structure according to claim 1, it is characterised in that：The valve rod（7）Lower part be provided with
Annular ditch groove, and the groove and sealing ring（14）It matches.
6. a kind of age of a draught animal ball-valve structure according to claim 1, it is characterised in that：First valve deck（3）And second valve
Lid（4）It is arranged in valve body in symmetrical expression（2）Both ends, and the first valve deck（3）With the second valve deck（4）Pass through screw rod（12）And nut
（13）Connection.
7. a kind of age of a draught animal ball-valve structure according to claim 1, it is characterised in that：Described two valve seats（5）In symmetrical expression
It is arranged in sphere（6）Both sides, and valve seat（5）With sphere（6）It matches.
8. a kind of working method of the ball-valve structure of the age of a draught animal according to claim 1：Valve seat（5）With sphere（6）It matches, complete
When opening or be fully closed, sphere（6）And valve seat（5）Sealing surface be isolated with medium, medium by when, valve sealing face will not be caused
It corrodes, sphere（6）Upper end dovetail groove and valve rod（7）Lower end match, make sphere without departing from center, extend ball valve
Service life, valve rod（7）The annular ditch groove of lower part is sheathed with sealing ring（14）, further increase valve rod（7）Sealing effect,
Stuffing-box（9）Lower end sealing ring, reduce valve rod（7）Abrasion to filler extends so as to avoid the leakage of filler
The service life of filler, the first valve deck（3）And second valve deck（4）It is symmetrically mounted on valve body（2）Both ends, pass through screw rod（12）And
Nut（13）Connection, is readily disassembled, is conveniently replaceable vulnerable part, the first valve deck（3）And second valve deck（4）End face on be both provided with
Gasket passes through gasket and valve deck（4）Connection, enhances the sealing performance of ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810698123.5A CN108506514A (en) | 2018-06-29 | 2018-06-29 | A kind of age of a draught animal ball-valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810698123.5A CN108506514A (en) | 2018-06-29 | 2018-06-29 | A kind of age of a draught animal ball-valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108506514A true CN108506514A (en) | 2018-09-07 |
Family
ID=63403993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810698123.5A Withdrawn CN108506514A (en) | 2018-06-29 | 2018-06-29 | A kind of age of a draught animal ball-valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506514A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031260A (en) * | 2019-04-26 | 2019-07-19 | 北京科瑞乐航空油料设备有限公司 | A kind of closed circuit sampler being exclusively used in aviation fuel quality testing |
| CN113565985A (en) * | 2021-08-16 | 2021-10-29 | 株洲明鑫轨道装备科技有限公司 | Assembled ball valve structure mounted by eight screw rods and assembling method |
| CN114233887A (en) * | 2021-11-26 | 2022-03-25 | 江苏润鹏机械科技有限公司 | Valve structure of water supply pipeline |
-
2018
- 2018-06-29 CN CN201810698123.5A patent/CN108506514A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031260A (en) * | 2019-04-26 | 2019-07-19 | 北京科瑞乐航空油料设备有限公司 | A kind of closed circuit sampler being exclusively used in aviation fuel quality testing |
| CN113565985A (en) * | 2021-08-16 | 2021-10-29 | 株洲明鑫轨道装备科技有限公司 | Assembled ball valve structure mounted by eight screw rods and assembling method |
| CN114233887A (en) * | 2021-11-26 | 2022-03-25 | 江苏润鹏机械科技有限公司 | Valve structure of water supply pipeline |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180907 |
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| WW01 | Invention patent application withdrawn after publication |