CN109162886A - A kind of leakproof chemical agent measuring fixed amount pump easy to disassemble - Google Patents

A kind of leakproof chemical agent measuring fixed amount pump easy to disassemble Download PDF

Info

Publication number
CN109162886A
CN109162886A CN201811004975.6A CN201811004975A CN109162886A CN 109162886 A CN109162886 A CN 109162886A CN 201811004975 A CN201811004975 A CN 201811004975A CN 109162886 A CN109162886 A CN 109162886A
Authority
CN
China
Prior art keywords
valve
chemical agent
fixed amount
floating ball
agent measuring
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.)
Withdrawn
Application number
CN201811004975.6A
Other languages
Chinese (zh)
Inventor
黄伟彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811004975.6A priority Critical patent/CN109162886A/en
Publication of CN109162886A publication Critical patent/CN109162886A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B13/00Pumps specially modified to deliver fixed or variable measured quantities
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10Valves; Arrangement of valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10Valves; Arrangement of valves
    • F04B53/1002Ball valves

Abstract

The invention discloses a kind of leakproof chemical agent measuring fixed amounts easy to disassemble to pump, its structure includes: discharge device, connection valve, valve seat, plug cock, grease-box, driving box, motor, terminal board, the connector of discharge device is respectively nested in the left side and bottom of connection valve, connection valve is installed in the left side of valve seat, and the two axle center is in a straight line, it combines together on the left of grease-box with the flange of valve seat, to sum up, the present invention passes through elastic automatic back flow when having a power failure maintenance in end to avoid the trouble in maintenance after improving, and the case where corrosion is caused to other component, and the chemical reagent in pipe can be made sufficiently to recycle the waste situation for avoiding raw material.

Description

A kind of leakproof chemical agent measuring fixed amount pump easy to disassemble
Technical field
The present invention relates to a kind of metering pumps, are a kind of leakproof chemical agent measuring fixed amount pumps easy to disassemble particularly.
Background technique
Metering pump is also known as proportioning pump because the quantitative tune for conveying liquid and being widely used in chemical reagent can be carried out accurately In matching, but since there are certain corrosivenesses is needed after a period of time has passed to internal diaphragm progress more for chemical reagent It changes but is more easy to appear some problems in shield:
1, metering pump needs to place vertically at work, in order to avoid the pipeline that the phenomenon that siphon exports occur equal for liquid Higher than metering pump, certain liquid residual is had in output channel when stopping working, since the valve ball at top can Reflux is inhibited therefore to be more troublesome when carrying out pipeline disassembly to residual liquid processing in pipe.
2, chemical reagent is in pipeline during first gradually release valve flows out chemical reagent during pipeline disassembly In longer structure, due to the case where will appear splash under the action of liquid pressure, on the one hand it is easy to remain in outside valve body and makes At corrosion, and it can also make wastage of material.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of leakproof chemical agent measuring fixed amount pump easy to disassemble.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of leakproof easy to disassemble Medicament measuring fixed amount pump is learned, structure includes: discharge device, connection valve, valve seat, plug cock, grease-box, driving box, motor, end Sub- box, the connector of the discharge device are respectively nested in the left side and bottom of connection valve, and the connection valve is installed in valve seat Left side, and the two axle center is in a straight line, is combined together on the left of the grease-box with the flange of valve seat, and the internal screw thread at top It is mutually fixed with the external screw thread of plug cock bottom, the motor is vertically installed in the top of driving box, the shell and terminal of the motor Box is connected by screw to, and internal circuit is connected to by conducting wire, its internal structure of the discharge device is by fluid stopping mechanism, company Adapter tube, sealing valve, hold-doun nut, communicating valve composition, the lantern ring of the fluid stopping actuator base and tube head at the top of connecting tube are close It fastens, the connecting tube is in type, and connector internal screw thread and the external screw thread on the left of sealing valve of bottom are mutually fixed, the hold-doun nut water Safety is located at the bottom of communicating valve, and axle center is opposite and connects with top connection valve.
As a further improvement of the present invention, the fluid stopping mechanism is by Chu Liucang, sealing plate, induction floating ball, connector sleeve group At.
As a further improvement of the present invention, in surrounding's table wall insertion storage stream storehouse inner wall groove of the sealing plate, and pass through Sealing is fixed, and the induction floating ball is corresponding with storage stream orlop portion circular groove, and the connector sleeve is fixed on the center in storage stream orlop portion, And by being welded and fixed.
As a further improvement of the present invention, storage stream storehouse is installed in the left side of connection valve, and position is higher than inside Upper ball valve, the connector sleeve is fitted closely with end at the top of connecting tube, and is communicated with the communicating valve of bottom.
As a further improvement of the present invention, the induction floating ball is by color lump, synchronizing bar, sliding block, floating ball, big envelope.
As a further improvement of the present invention, the card slot on the right side of the color lump is mutually nested with head on the left of synchronizing bar, institute It states synchronizing bar to be installed at left and right sides of sliding block, and the right side body of rod is mutually fixed with floating ball, the big envelope is wrapped in the outer wall of floating ball, and Glue connection is fixed.
As a further improvement of the present invention, the color lump is installed in the left side of storage stream storehouse inner seal plate, and flows with storage Storehouse is there are small gap, there are two the sliding block is set, is symmetrically installed in the left and right sides of sealing plate.
As a further improvement of the present invention, the storage stream storehouse inner wall has corrosion-resistant coating, and is transparent material.
As a further improvement of the present invention, the floating ball is hollow structure, floats on liquid level.
As a further improvement of the present invention, the sealing valve is movable, and sole mass weight is solid in no bottom Determine to be unclamped by hydraulic pressure and self gravity in the case where nut support.
The beneficial effects of the present invention are: 1, internal discharge device can detect internal pipeline liquid, operator Member makes raffinate in pipe carry out aerial drainage by the hold-doun nut of bottom to sealing valve on-off, and liquid flows back in pipe, will not go out The case where existing splash leakage, and trickle can be sealed up for safekeeping liquid by floating ball, it is very big to being provided in the work of dismounting metering pump Convenience.
2, the threeway that the communicating valve of sealing valve connection is formed can be avoided there is the case where splash in reflux, and two companies Adapter tube enables the speed of reflux faster, manages interior chemical reagent when not influencing to measure pump work, carries out sufficiently recycling and keeps away The case where having exempted from waste.
In conclusion the present invention passes through elastic automatic back flow when having a power failure maintenance in end to avoid repairing after improving On trouble, and the case where cause corrosion to other component, and the chemical reagent in pipe can be made sufficiently to recycle and avoid original The waste situation of material.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of leakproof chemical agent measuring fixed amount pump easy to disassemble of the present invention.
Fig. 2 is the structural schematic diagram of discharge device of the present invention.
Fig. 3 is the A structural schematic diagram of Fig. 2 of the present invention.
The B structure that Fig. 4 is Fig. 2 of the present invention is driven schematic diagram.
In figure: discharge device -1, connection valve -2, valve seat -3, plug cock -4, grease-box -5, driving box -6, motor -7, end Sub- box -8, fluid stopping mechanism -11, connecting tube -12, sealing valve -13, hold-doun nut -14, communicating valve -15, Chu Liucang -111, sealing Plate -112, induction floating ball -113, connector sleeve -114, color lump -11a, synchronizing bar -11b, sliding block -11c, floating ball -11d, big envelope - 11e。
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, FIG. 1 to FIG. 4 The structure of the metering pump of embodiment of the present invention is schematically shown, With reference to embodiment, this is further described Invention.
Embodiment
As Figure 1-Figure 4, the present invention provides a kind of leakproof chemical agent measuring fixed amount pump easy to disassemble, structure packet It includes: discharge device 1, connection valve 2, valve seat 3, plug cock 4, grease-box 5, driving box 6, motor 7, terminal board 8, the discharge device 1 connector is respectively nested in the left side and bottom of connection valve 2, and the connection valve 2 is installed in the left side of valve seat 3, and the two Axle center is in a straight line, and 5 left side of grease-box and the flange of valve seat 3 combine together, and the internal screw thread at top and 4 bottom of plug cock External screw thread mutually fix, the motor 7 is vertically installed in the top of driving box 6, and shell and the terminal board 8 of the motor 7 pass through Screw connection, and internal circuit is by conducting wire connection, described its internal structure of discharge device 1 is by fluid stopping mechanism 11, connecting tube 12, sealing valve 13, hold-doun nut 14, communicating valve 15 form, 12 top of lantern ring and connecting tube of 11 bottom of fluid stopping mechanism Tube head closely fastens, and the connecting tube 12 is L-shaped, and connector internal screw thread and the 13 left side external screw thread of sealing valve of bottom are mutually fixed, 14 level of hold-doun nut is installed in the bottom of communicating valve 15, and axle center is opposite and connects with top connection valve 2.
As a further improvement of the present invention, the fluid stopping mechanism 11 is by storage stream storehouse 111, sealing plate 112, induction floating ball 113, connector sleeve 114 forms.
As a further improvement of the present invention, in surrounding's table wall insertion storage stream 111 inner wall groove of storehouse of the sealing plate 112, And fixed by sealing, the induction floating ball 113 is corresponding with storage stream 111 bottom circular groove of storehouse, and the connector sleeve 114 is fixed on storage The center of 111 bottom of storehouse is flowed, and by being welded and fixed.
As a further improvement of the present invention, storage stream storehouse 111 is installed in the left side of connection valve 2, and position is higher than interior The upper ball valve in portion, the connector sleeve 114 is fitted closely with 12 top end of connecting tube, and is communicated with the communicating valve of bottom 15.
As a further improvement of the present invention, the induction floating ball 113 is by color lump 11a, synchronizing bar 11b, sliding block 11c, floating Ball 11d, big envelope 11e.
As a further improvement of the present invention, the card slot on the right side of the color lump 11a and head on the left of synchronizing bar 11b are mutually embedding Set, the synchronizing bar 11b is installed at left and right sides of sliding block 11c, and the right side body of rod is fixed with floating ball 11d phase, the big envelope 11e packet It is rolled in the outer wall of floating ball 11d, and glue connection is fixed.
As a further improvement of the present invention, the color lump 11a is installed in the left side of storage stream 111 inner seal plate 112 of storehouse, And with storage stream storehouse 111 there are small gap, the sliding block 11c is symmetrically installed in the left and right of sealing plate 112 there are two setting Two sides.
As a further improvement of the present invention, storage stream 111 inner wall of storehouse has corrosion-resistant coating, and is transparent material.
As a further improvement of the present invention, the floating ball 11d is hollow structure, floats on liquid level.
As a further improvement of the present invention, the sealing valve 13 is movable, and sole mass weight, in no bottom Hold-doun nut 14 can be unclamped in the case where supporting by hydraulic pressure and self gravity.
The crank connecting link in the driving box 6 of bottom is driven by motor 7 to carry out transfer tube to the valve inside valve seat 3 Oil, since the working characteristics of the valve pearl at 2 top of connection valve is exactly the chemistry examination that can inhibit in head tube when being replaced Agent flows back, therefore needs to clear up internal reagent when separate efferent duct.
Incude simultaneously the storage where floating ball flow storehouse 111 can the efferent duct at top in the case where be opaque to inner product Liquid number observed, by the hold-doun nut 14 of bottom and explosive barrel point when needing that internal chemical reagent is discharged From the block of sealing valve 13 can move down under gravity at this time penetrates through the connecting tube 12 at top, and then to retaining Reagent flow back.
The water outlet that floating ball 113 can fall along sealing plate 112 and then block storage stream 111 bottom of storehouse is incuded after reflux Mouth carries out stopping to facilitate operator that can quickly replace to some threads, will not secondary outflow chemistry during replacement Reagent influences operation.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this The range of invention is indicated by the appended claims rather than the foregoing description, it is intended that the equivalent requirements of the claims will be fallen in All changes in meaning and scope are included within the present invention.It should not treat any reference in the claims as limitation institute The claim being related to.

Claims (7)

1. a kind of leakproof chemical agent measuring fixed amount pump easy to disassemble, structure includes: discharge device (1), connection valve (2), valve Seat (3), plug cock (4), grease-box (5), driving box (6), motor (7), terminal board (8), it is characterised in that:
The connector of the discharge device (1) is respectively nested in the left side and bottom of connection valve (2), connection valve (2) peace It is located at the left side of valve seat (3), and the two axle center is in a straight line, it is one that the flange of grease-box (5) left side and valve seat (3), which melts, Body, and the internal screw thread at top and the external screw thread of plug cock (4) bottom are mutually fixed, the motor (7) is vertically installed in driving box (6) Top, shell and the terminal board (8) of the motor (7) are connected by screw to, and internal circuit is connected to by conducting wire;
Described its internal structure of discharge device (1) is by fluid stopping mechanism (11), connecting tube (12), sealing valve (13), hold-doun nut (14), communicating valve (15) forms, and the lantern ring of fluid stopping mechanism (11) bottom is closely fastened with the tube head at the top of connecting tube (12), The connecting tube (12) is L-shaped, and connector internal screw thread and the external screw thread on the left of sealing valve (13) of bottom are mutually fixed, the fixed spiral shell Cap (14) level is installed in the bottom of communicating valve (15), and axle center is opposite and connects with top connection valve (2).
2. a kind of leakproof chemical agent measuring fixed amount pump easy to disassemble according to claim 1, it is characterised in that: described to stop Stream mechanism (11) is made of Chu Liucang (111), sealing plate (112), induction floating ball (113), connector sleeve (114).
3. a kind of leakproof chemical agent measuring fixed amount pump easy to disassemble according to claim 2, it is characterised in that: described close In surrounding's table wall insertion Chu Liucang (111) inner wall groove of sealing plate (112), and fixed by sealing, the induction floating ball (113) and Chu Liucang (111) bottom circular groove is corresponding, and the connector sleeve (114) is fixed on the center of Chu Liucang (111) bottom, and passes through weldering Connect fixation.
4. a kind of leakproof chemical agent measuring fixed amount pump easy to disassemble according to claim 1 or 2, it is characterised in that: institute The left side that Chu Liucang (111) is installed in connection valve (2) is stated, and position is higher than internal upper ball valve, the connector sleeve (114) and company End fits closely at the top of adapter tube (12), and communicates with the communicating valve of bottom (15).
5. a kind of leakproof chemical agent measuring fixed amount pump easy to disassemble according to claim 2, it is characterised in that: the sense Answer floating ball (113) by color lump (11a), synchronizing bar (11b), sliding block (11c), floating ball (11d), big envelope (11e).
6. a kind of leakproof chemical agent measuring fixed amount pump easy to disassemble according to claim 5, it is characterised in that: the color Card slot on the right side of block (11a) is mutually nested with head on the left of synchronizing bar (11b), and the synchronizing bar (11b) is installed in sliding block (11c) The left and right sides, and the right side body of rod is mutually fixed with floating ball (11d), the big envelope (11e) is wrapped in the outer wall of floating ball (11d), and glue It is connected and fixed.
7. a kind of leakproof chemical agent measuring fixed amount pump easy to disassemble according to claim 5 or 6, it is characterised in that: institute The left side that color lump (11a) is installed in Chu Liucang (111) inner seal plate (112) is stated, and there are small seams with Chu Liucang (111) Gap, the sliding block (11c) are symmetrically installed in the left and right sides of sealing plate (112) there are two setting.
CN201811004975.6A 2018-08-30 2018-08-30 A kind of leakproof chemical agent measuring fixed amount pump easy to disassemble Withdrawn CN109162886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811004975.6A CN109162886A (en) 2018-08-30 2018-08-30 A kind of leakproof chemical agent measuring fixed amount pump easy to disassemble

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811004975.6A CN109162886A (en) 2018-08-30 2018-08-30 A kind of leakproof chemical agent measuring fixed amount pump easy to disassemble

Publications (1)

Publication Number Publication Date
CN109162886A true CN109162886A (en) 2019-01-08

Family

ID=64893493

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811004975.6A Withdrawn CN109162886A (en) 2018-08-30 2018-08-30 A kind of leakproof chemical agent measuring fixed amount pump easy to disassemble

Country Status (1)

Country Link
CN (1) CN109162886A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2190173Y (en) * 1994-03-23 1995-02-22 巩义市嵩岳水用器材厂 Separate metering pump
CN2828380Y (en) * 2005-10-13 2006-10-18 南京红宝丽股份有限公司 Diaphragm metering pump
CN201215182Y (en) * 2008-05-20 2009-04-01 郑州宇通重工有限公司 On-off valve suitable for plugging and liquid working medium container and discharging medium
US8048308B2 (en) * 2006-01-30 2011-11-01 Commissariat A L'energie Atomique Process for separating at least one actinide element from lanthanide elements in an aqueous medium by sequestration and membrane filtration
CN202158354U (en) * 2011-05-13 2012-03-07 云南大红山管道有限公司 Pipeline pressure release and drainage device
CN103736599A (en) * 2014-01-14 2014-04-23 中国矿业大学(北京) Full-automatic flotation reagent quantitative adding system
CN204299837U (en) * 2014-11-14 2015-04-29 浙江巨圣氟化学有限公司 A kind of metering pump being applied to production teflon
CN205379818U (en) * 2016-02-22 2016-07-13 广州市宝源节能环保科技有限公司 Potassium permanganate solution dosing system
CN205400672U (en) * 2016-02-29 2016-07-27 中国石油集团川庆钻探工程有限公司工程技术研究院 Dosing device for oil well
CN206238297U (en) * 2016-08-29 2017-06-13 浙江绍兴伊曼食品有限公司 A kind of feeding device of ice-cream stick production line
CN206566851U (en) * 2017-03-12 2017-10-20 广西农垦糖业集团良圻制糖有限公司 A kind of cane sugar manufacture technical process phosphoric acid adding set
CN207025181U (en) * 2017-07-26 2018-02-23 泰州泰丰泵业有限公司 A kind of dosing metering pump system
CN207397110U (en) * 2017-11-22 2018-05-22 新兴铸管股份有限公司 Liquid-level auto-control device
CN207470819U (en) * 2017-11-24 2018-06-08 苏州润伦机械有限公司 The tubular valves of L

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2190173Y (en) * 1994-03-23 1995-02-22 巩义市嵩岳水用器材厂 Separate metering pump
CN2828380Y (en) * 2005-10-13 2006-10-18 南京红宝丽股份有限公司 Diaphragm metering pump
US8048308B2 (en) * 2006-01-30 2011-11-01 Commissariat A L'energie Atomique Process for separating at least one actinide element from lanthanide elements in an aqueous medium by sequestration and membrane filtration
CN201215182Y (en) * 2008-05-20 2009-04-01 郑州宇通重工有限公司 On-off valve suitable for plugging and liquid working medium container and discharging medium
CN202158354U (en) * 2011-05-13 2012-03-07 云南大红山管道有限公司 Pipeline pressure release and drainage device
CN103736599A (en) * 2014-01-14 2014-04-23 中国矿业大学(北京) Full-automatic flotation reagent quantitative adding system
CN204299837U (en) * 2014-11-14 2015-04-29 浙江巨圣氟化学有限公司 A kind of metering pump being applied to production teflon
CN205379818U (en) * 2016-02-22 2016-07-13 广州市宝源节能环保科技有限公司 Potassium permanganate solution dosing system
CN205400672U (en) * 2016-02-29 2016-07-27 中国石油集团川庆钻探工程有限公司工程技术研究院 Dosing device for oil well
CN206238297U (en) * 2016-08-29 2017-06-13 浙江绍兴伊曼食品有限公司 A kind of feeding device of ice-cream stick production line
CN206566851U (en) * 2017-03-12 2017-10-20 广西农垦糖业集团良圻制糖有限公司 A kind of cane sugar manufacture technical process phosphoric acid adding set
CN207025181U (en) * 2017-07-26 2018-02-23 泰州泰丰泵业有限公司 A kind of dosing metering pump system
CN207397110U (en) * 2017-11-22 2018-05-22 新兴铸管股份有限公司 Liquid-level auto-control device
CN207470819U (en) * 2017-11-24 2018-06-08 苏州润伦机械有限公司 The tubular valves of L

Similar Documents

Publication Publication Date Title
CN109162886A (en) A kind of leakproof chemical agent measuring fixed amount pump easy to disassemble
CN204647417U (en) A kind of self-powering type gas-liquid two-phase fluid level control valve
CN108296440A (en) A kind of calcium stearate automatic adding device of precoated sand production
CN104676039B (en) A kind of self-operated type gas-liquid two-phase fluid level control valve
CN203112474U (en) Self-pressurization dosing device
CN211452570U (en) Automatic change weighing device
CN104897251B (en) A kind of First class standard metal tank
CN207213649U (en) Solution feeding system
CN207845144U (en) A kind of sealing oil product transfer device of regulating flow quantity
CN209736201U (en) Measurement fluid infusion bucket with overflow protection
CN207748864U (en) Vacuum jet chemicals dosing plant for urban wastewater treatment firm
CN206695863U (en) The blowdown apparatus of magnetic double level gauge
CN205295708U (en) Dyeingization salt system
CN205300700U (en) Coal bed gas filtering separator's level gauge
CN104291413A (en) Automatic and high-efficiency resin conveying device for nuclear power secondary circuit system
CN102901650A (en) Device and method for testing cargo oil system
CN204816490U (en) Reation kettle with liquid level meter
CN207237368U (en) A kind of automatic water diversion system
CN206339473U (en) A kind of anticorrosion detecting system of water valve component
CN208894529U (en) A kind of coating titration outfit
CN211051411U (en) Water tank for castable stirrer
CN208703580U (en) High flow capacity solution recycle system
CN217424512U (en) High-corrosiveness liquid metering and conveying system
CN203877903U (en) Compounded engine oil and fluorescer micro-filling system
CN212931533U (en) Gravity self-flow oil return metering device

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
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20190108