CN107571631A - A kind of automatic cleaning sprayer device - Google Patents

A kind of automatic cleaning sprayer device Download PDF

Info

Publication number
CN107571631A
CN107571631A CN201610523871.0A CN201610523871A CN107571631A CN 107571631 A CN107571631 A CN 107571631A CN 201610523871 A CN201610523871 A CN 201610523871A CN 107571631 A CN107571631 A CN 107571631A
Authority
CN
China
Prior art keywords
ink
cleaning
valve module
switching valve
positive
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
Application number
CN201610523871.0A
Other languages
Chinese (zh)
Inventor
周棉宇
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.)
Shanghai Junction Mdt Infotech Ltd
Original Assignee
Shanghai Junction Mdt Infotech Ltd
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 Shanghai Junction Mdt Infotech Ltd filed Critical Shanghai Junction Mdt Infotech Ltd
Priority to CN201610523871.0A priority Critical patent/CN107571631A/en
Publication of CN107571631A publication Critical patent/CN107571631A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a kind of automatic cleaning sprayer device,Including positive pressure system,Negative pressure system,Ink feeding system and shower nozzle,Ink feeding system includes main print cartridge and two stage ink box,Main print cartridge is connected by the ink feed end of the first switching valve module and two stage ink box,The ink-outtake end of two stage ink box is connected by out of ink/cleaning switching valve module with shower nozzle,The inlet end that positive pressure system switches valve module and two stage ink box by positive/negative-pressure connects,The inlet end that negative pressure system switches valve module and two stage ink box by positive/negative-pressure connects,Also include a purging system,Purging system includes cleaning fluid bottle,Cleaning pump and cleaning/emptying switching valve module,The liquid feeding end that bottle for handling liquid toilet or cosmetic substance switches valve module by cleaning pump with the cleaning/emptying is connected,The outlet end of cleaning/emptying switching valve module is connected by the out of ink/cleaning switching valve module with shower nozzle,Cleaning/emptying switching valve module is connected with the malleation inlet end of positive/negative-pressure switching valve module.

Description

A kind of automatic cleaning sprayer device
Technical field
The present invention relates to printer spray printing field, more particularly to a kind of automatic cleaning sprayer device.
Background technology
Ink-jet printer has been widely used in all trades and professions.Oriented shower nozzle continuous ink feeding is all provided with existing ink-jet printer Ink feeding system, ink feeding system be used for for shower nozzle providing ink so as to spray picture and text or shower nozzle is cleaned, dredging is handled, It is provided with main ink tank, assistant print cartridges, shower nozzle, positive pressure system and negative pressure system in ink feeding system, the ink in main ink tank passes through pump Pumped into assistant print cartridges, the ink outlet port connection shower nozzle of assistant print cartridges is used to be shower nozzle ink supply to spray ink droplet, and assistant print cartridges are also connected with Positive pressure system and negative pressure system, following required operation is completed by the switching of positive pressure system and negative pressure system:Such as to realize fast Fast, efficient printing, need to rely on negative pressure system ensure assistant print cartridges it is lasting, stably, quickly, in appropriate amount to shower nozzle ink supply;Such as compared with Between long one section of childhood during not ink-jet, shower nozzle easily blocks, and now needs positive pressure system to dredge shower nozzle;Sometimes in ink-jet Before, some bubbles in spray nozzle be present, be now also required to positive pressure system and shower nozzle is carried out to press ink processing to exclude in shower nozzle Bubble.
But the ejecting device structure setting imperfection of prior art, pressured ink are difficult to clean up shower nozzle, and Some inks can be wasted in cleaning process, undoubtedly add cost.
The content of the invention
It is an object of the invention to the above-mentioned deficiency and defect for prior art, there is provided a kind of automatic cleaning sprayer dress Put, to solve the above problems.
Technical problem solved by the invention can be realized using following technical scheme:
A kind of automatic cleaning sprayer device, including positive pressure system, negative pressure system, ink feeding system and shower nozzle,
The ink feeding system includes main print cartridge and two stage ink box, and the main print cartridge passes through the first switching valve module and described two The ink feed end connection of level print cartridge, the ink-outtake end of the two stage ink box are connected by out of ink/cleaning switching valve module with the shower nozzle,
The positive pressure system switches valve module by positive/negative-pressure and is connected with the inlet end of the two stage ink box,
The negative pressure system switches valve module by positive/negative-pressure and is connected with the inlet end of the two stage ink box,
Characterized in that, a kind of automatic cleaning sprayer device also includes a purging system, the purging system includes cleaning Liquid bottle, cleaning pump and cleaning/emptying switching valve module, the bottle for handling liquid toilet or cosmetic substance are switched by the cleaning pump and the cleaning/emptying The liquid feeding end connection of valve module, the outlet end of the cleaning/emptying switching valve module pass through the out of ink/cleaning switching valve module It is connected with the shower nozzle, the cleaning/emptying switching valve module is connected with the malleation inlet end of positive/negative-pressure switching valve module,
When needing normal inkjet printing, the cleaning/emptying switching valve module controls the cleaning fluid of the cleaning fluid bottle Loop is in off state, and the negative pressure system and the ink feeding system cause the normal inkjet printing of the shower nozzle;
When needing to shower nozzle venting, the positive pressure system switches valve module, the positive/negative-pressure by the cleaning/emptying Switch the cooperation of valve module and the out of ink/cleaning switching valve module, allow positive pressure air by the out of ink/cleaning switching valve Venting is carried out to the shower nozzle after component;
When needing to clean shower nozzle, positive/negative-pressure switching valve module cause the negative pressure system not with the cleaning/ Emptying switching valve module connection, the cleaning fluid of the cleaning fluid bottle and the air pressure of the positive pressure system are alternately successively by described clear Shower nozzle is cleaned after washing/emptying switching valve module and the out of ink/cleaning switching valve module;
When needing to carry out pressing ink, the positive pressure system switches valve module by the positive/negative-pressure and the two stage ink box is entered Row pressure ink, when pressing black, the positive/negative-pressure switching valve module cuts off the positive pressure system and connected with the negative pressure system.
In a preferred embodiment of the invention, it is described it is out of ink/cleaning switching valve module include the first two-way switch valve, First ink filter, the second ink filter and the first three-way magnetic valve, one end of the first two-way switch valve with it is described The ink-outtake end connection of two stage ink box, the other end are connected with the ink feed end of first ink filter, first ink filter The ink-outtake end of device is connected with one of normal open arrival end of first three-way magnetic valve, and first three-way magnetic valve goes out Mouth end is connected with the shower nozzle, the ink feed end of second ink filter and the outlet of the cleaning/emptying switching valve module End connection, the ink-outtake end of second ink filter are connected with a normal off arrival end of first three-way magnetic valve.
In a preferred embodiment of the invention, the cleaning/emptying switching valve module includes the second three-way magnetic valve, One normal open arrival end of second three-way magnetic valve is connected with the cleaning pump, and one of second three-way magnetic valve is often Disconnected arrival end is connected with the malleation inlet end of positive/negative-pressure switching valve module, the port of export of second three-way magnetic valve and institute State the ink feed end connection of the second ink filter.
In a preferred embodiment of the invention, the positive/negative-pressure switching valve module includes the first three-way connection, the 3rd Three-way magnetic valve and the first two-way electromagnetic valve, the entrance point of first three-way connection are connected with the positive pressure system, and described The one outlet end of one three-way connection is connected with a normal off arrival end of second three-way magnetic valve, and the described 1st connects Another port of export of head is connected with a normal off arrival end of the 3rd three-way magnetic valve, the 3rd three-way magnetic valve One normal open arrival end is connected with the negative pressure system, the port of export and the first two-way electromagnetism of the 3rd three-way magnetic valve One end connection of valve, the other end of first two-way electromagnetic valve are connected with the ink feed end of the two stage ink box.
As a result of technical scheme as above, the present invention can clean up to shower nozzle, and in cleaning process not Meeting wasted ink, reduces cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structure principle chart of an embodiment of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, enter below One step illustrates the present invention.
A kind of automatic cleaning sprayer device shown in Figure 1, including positive pressure system 100, negative pressure system 200, ink supply system System 300, shower nozzle 400 and purging system 500.
Positive pressure system 100 includes air cleaner 110 and positive pressure pump 120.
Negative pressure system 200 includes the negative pressure pump 210 of Opposite direction connection, two-way electromagnetic valve 220, gas cylinders group 230, two successively and is powered Magnet valve 240, air pressure regulator 250 and air cleaner 260.
Ink feeding system 300 includes main print cartridge 310, two stage ink box 320 and pump 330, and main print cartridge 310 passes through the first switching valve Component is connected with the ink feed end of two stage ink box 320, and the first switching valve module includes three-way magnetic valve 341 and two-way electromagnetic valve 342. Main print cartridge 310, pump 330, three-way magnetic valve 341, two-way electromagnetic valve 342 and two stage ink box 320 are sequentially connected.Two stage ink box 320 ink-outtake end is connected by out of ink/cleaning switching valve module with shower nozzle 400, in the present embodiment, out of ink/cleaning switching valve group Part includes two-way switch valve 610, ink filter 620, ink filter 630 and three-way magnetic valve 640.Two-way switch valve 610 One end be connected with the ink-outtake end of two stage ink box 320, the other end is connected with the ink feed end of ink filter 620, ink filter 620 ink-outtake end is connected with one of normal open arrival end of three-way magnetic valve 640, the port of export of three-way magnetic valve 640 and spray First 400 connection.The ink feed end of ink filter 630 is connected with the port of export of cleaning/emptying switching valve module, ink filter 630 ink-outtake end is connected with a normal off arrival end of three-way magnetic valve 640.
Purging system 500 includes cleaning fluid bottle 510, cleaning pump 520 and cleaning/emptying switching valve module, in the present embodiment Cleaning/emptying switching valve module be a three-way magnetic valve 530, the port of export and the ink filter 630 of three-way magnetic valve 530 connect Connect.One normal open arrival end of three-way magnetic valve 530 is connected with cleaning pump 520, a normal off arrival end of three-way magnetic valve 530 It is connected with the malleation inlet end of positive/negative-pressure switching valve module.
Positive pressure system 100 switches valve module by positive/negative-pressure and is connected with the inlet end of two stage ink box 320, negative pressure system 200 Switch valve module by positive/negative-pressure to be connected with the inlet end of two stage ink box 320.Specifically, positive/negative-pressure switching valve module includes threeway Joint 710, three-way magnetic valve 720 and two-way electromagnetic valve 730, the entrance point of three-way connection 710 and the positive pressure pump of positive pressure system 100 120 connections, the one outlet end of three-way connection 710 are connected with a normal off arrival end of three-way magnetic valve 530, three-way connection 710 another port of export is connected with a normal off arrival end of three-way magnetic valve 720, a normal open of three-way magnetic valve 720 The port of export is connected with negative pressure system 200 by secondary gas cylinder 740 with gas cylinders group 230, and the port of export of three-way magnetic valve 720 and two is powered One end connection of magnet valve 730, the other end of two-way electromagnetic valve 730 are connected with the ink feed end of two stage ink box 320.
The operation principle of the present invention is as follows:
When needing normal inkjet printing, the cleaning fluid loop of out of ink/cleaning switching valve module control cleaning fluid bottle is in Off state, negative pressure system and ink feeding system cause the normal inkjet printing of shower nozzle;
When needing to shower nozzle venting, positive pressure system switches valve module by cleaning/emptying, positive/negative-pressure switch valve module with And the cooperation of out of ink/cleaning switching valve module, allow positive pressure air to be arranged after out of ink/cleaning switching valve module shower nozzle Ink;
When needing to clean shower nozzle, positive/negative-pressure switching valve module causes negative pressure system not switch valve group with cleaning/emptying Part connects, the air pressure of the cleaning fluid of cleaning fluid bottle and positive pressure system alternately successively through over cleaning/emptying switch valve module and out of ink/ Shower nozzle is cleaned after cleaning switching valve module;
When needing to carry out pressing ink, positive pressure system switches valve module by positive/negative-pressure and pressure ink, pressure ink is carried out to two stage ink box When, positive/negative-pressure switching valve module cuts off positive pressure system and connected with negative pressure system.
The present invention can clean up to shower nozzle, and in cleaning process will not wasted ink, reduce cost.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (4)

1. a kind of automatic cleaning sprayer device, including positive pressure system, negative pressure system, ink feeding system and shower nozzle,
The ink feeding system includes main print cartridge and two stage ink box, and the main print cartridge passes through the first switching valve module and two level ink The ink feed end connection of box, the ink-outtake end of the two stage ink box are connected by out of ink/cleaning switching valve module with the shower nozzle,
The positive pressure system switches valve module by positive/negative-pressure and is connected with the inlet end of the two stage ink box,
The negative pressure system switches valve module by positive/negative-pressure and is connected with the inlet end of the two stage ink box,
Characterized in that, a kind of automatic cleaning sprayer device also includes a purging system, the purging system includes cleaning Liquid bottle, cleaning pump and cleaning/emptying switching valve module, the bottle for handling liquid toilet or cosmetic substance are switched by the cleaning pump and the cleaning/emptying The liquid feeding end connection of valve module, the outlet end of the cleaning/emptying switching valve module pass through the out of ink/cleaning switching valve module It is connected with the shower nozzle, the cleaning/emptying switching valve module is connected with the malleation inlet end of positive/negative-pressure switching valve module,
When needing normal inkjet printing, the cleaning/emptying switching valve module controls the cleaning fluid loop of the cleaning fluid bottle In off state, the negative pressure system and the ink feeding system cause the normal inkjet printing of the shower nozzle;
When needing to shower nozzle venting, the positive pressure system switches valve module by the cleaning/emptying, the positive/negative-pressure switches The cooperation of valve module and the out of ink/cleaning switching valve module, positive pressure air is allowed by the out of ink/cleaning switching valve module Venting is carried out to the shower nozzle afterwards;
When needing to clean shower nozzle, positive/negative-pressure switching valve module cause the negative pressure system not with the cleaning/emptying Switch valve module connection, the air pressure of the cleaning fluid of the cleaning fluid bottle and the positive pressure system alternately successively by the cleaning/ Shower nozzle is cleaned after emptying switching valve module and the out of ink/cleaning switching valve module;
When needing to carry out pressing ink, the positive pressure system switches valve module by the positive/negative-pressure and the two stage ink box is pressed Ink, when pressing black, the positive/negative-pressure switching valve module cuts off the positive pressure system and connected with the negative pressure system.
A kind of 2. automatic cleaning sprayer device as claimed in claim 1, it is characterised in that the out of ink/cleaning switching valve group Part includes the first two-way switch valve, the first ink filter, the second ink filter and the first three-way magnetic valve, and the described 1st One end of logical switch valve is connected with the ink-outtake end of the two stage ink box, and the ink feed end of the other end and first ink filter connects Connect, the ink-outtake end of first ink filter is connected with one of normal open arrival end of first three-way magnetic valve, institute The port of export for stating the first three-way magnetic valve is connected with the shower nozzle, the ink feed end of second ink filter with it is described cleaning/ The port of export connection of emptying switching valve module, the ink-outtake end of second ink filter and the one of first three-way magnetic valve Individual normal off arrival end connection.
A kind of 3. automatic cleaning sprayer device as claimed in claim 2, it is characterised in that the cleaning/emptying switching valve group Part includes the second three-way magnetic valve, and a normal open arrival end of second three-way magnetic valve is connected with the cleaning pump, described One normal off arrival end of the second three-way magnetic valve is connected with the malleation inlet end of positive/negative-pressure switching valve module, and described second The port of export of three-way magnetic valve is connected with the ink feed end of second ink filter.
4. a kind of automatic cleaning sprayer device as claimed in claim 3, it is characterised in that the positive/negative-pressure switches valve module bag Include the first three-way connection, the 3rd three-way magnetic valve and the first two-way electromagnetic valve, the entrance point of first three-way connection with it is described Positive pressure system connects, the one outlet end of first three-way connection and a normal off arrival end of second three-way magnetic valve Connection, another port of export of first three-way connection are connected with a normal off arrival end of the 3rd three-way magnetic valve, One normal open arrival end of the 3rd three-way magnetic valve is connected with the negative pressure system, the outlet of the 3rd three-way magnetic valve End is connected with one end of first two-way electromagnetic valve, the other end of first two-way electromagnetic valve and entering for the two stage ink box Mo Duan connections.
CN201610523871.0A 2016-07-05 2016-07-05 A kind of automatic cleaning sprayer device Pending CN107571631A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610523871.0A CN107571631A (en) 2016-07-05 2016-07-05 A kind of automatic cleaning sprayer device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610523871.0A CN107571631A (en) 2016-07-05 2016-07-05 A kind of automatic cleaning sprayer device

Publications (1)

Publication Number Publication Date
CN107571631A true CN107571631A (en) 2018-01-12

Family

ID=61049448

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610523871.0A Pending CN107571631A (en) 2016-07-05 2016-07-05 A kind of automatic cleaning sprayer device

Country Status (1)

Country Link
CN (1) CN107571631A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114393929A (en) * 2021-12-27 2022-04-26 江苏集萃微纳自动化系统与装备技术研究所有限公司 Ink-jet printing circulating ink supply negative pressure control system
CN115042523A (en) * 2022-06-27 2022-09-13 共享智能装备有限公司 Ink supply and spray head cleaning system of 3D printer

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646765A (en) * 1979-09-27 1981-04-28 Ricoh Co Ltd Preventing device for clogging in ink jet printer
CN2528618Y (en) * 2002-03-21 2003-01-01 深圳市润天智图像技术有限公司 Ink way negative pressure system of ink-jet drawing machine
CN2642508Y (en) * 2003-08-29 2004-09-22 江洪 Ink system for ink-jetting machine
CN1559800A (en) * 2004-03-09 2005-01-05 健 梁 Full automatic nozzle cleaning device for digital ink-jet printer and its use method
CN101695883A (en) * 2009-09-29 2010-04-21 北京美科艺数码科技发展有限公司 Negative pressure system for nozzle of ink-jet printer and negative pressure control method thereof
CN202079914U (en) * 2011-06-21 2011-12-21 汤振华 Ink circulating system of ceramic printer
CN202200661U (en) * 2011-07-19 2012-04-25 杭州东城图像技术有限公司 Ink supply and dredge device of ink jet head
CN203157378U (en) * 2013-03-06 2013-08-28 佛山市三水盈捷精密机械有限公司 Ink supply system of ink jet printer
CN203974237U (en) * 2014-07-15 2014-12-03 北京美科艺数码科技发展有限公司 A kind of ink-jet printer shower nozzle ink feeding system
CN104417067A (en) * 2013-09-11 2015-03-18 北大方正集团有限公司 Equipment for washing inkjet printer nozzle
CN104999796A (en) * 2014-04-16 2015-10-28 中国科学院沈阳自动化研究所 Positive pressure ink supply control system and method for conductive printing ink

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646765A (en) * 1979-09-27 1981-04-28 Ricoh Co Ltd Preventing device for clogging in ink jet printer
CN2528618Y (en) * 2002-03-21 2003-01-01 深圳市润天智图像技术有限公司 Ink way negative pressure system of ink-jet drawing machine
CN2642508Y (en) * 2003-08-29 2004-09-22 江洪 Ink system for ink-jetting machine
CN1559800A (en) * 2004-03-09 2005-01-05 健 梁 Full automatic nozzle cleaning device for digital ink-jet printer and its use method
CN101695883A (en) * 2009-09-29 2010-04-21 北京美科艺数码科技发展有限公司 Negative pressure system for nozzle of ink-jet printer and negative pressure control method thereof
CN202079914U (en) * 2011-06-21 2011-12-21 汤振华 Ink circulating system of ceramic printer
CN202200661U (en) * 2011-07-19 2012-04-25 杭州东城图像技术有限公司 Ink supply and dredge device of ink jet head
CN203157378U (en) * 2013-03-06 2013-08-28 佛山市三水盈捷精密机械有限公司 Ink supply system of ink jet printer
CN104417067A (en) * 2013-09-11 2015-03-18 北大方正集团有限公司 Equipment for washing inkjet printer nozzle
CN104999796A (en) * 2014-04-16 2015-10-28 中国科学院沈阳自动化研究所 Positive pressure ink supply control system and method for conductive printing ink
CN203974237U (en) * 2014-07-15 2014-12-03 北京美科艺数码科技发展有限公司 A kind of ink-jet printer shower nozzle ink feeding system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114393929A (en) * 2021-12-27 2022-04-26 江苏集萃微纳自动化系统与装备技术研究所有限公司 Ink-jet printing circulating ink supply negative pressure control system
CN115042523A (en) * 2022-06-27 2022-09-13 共享智能装备有限公司 Ink supply and spray head cleaning system of 3D printer
CN115042523B (en) * 2022-06-27 2023-09-01 共享智能装备有限公司 Ink supply and spray head cleaning system of 3D printer

Similar Documents

Publication Publication Date Title
CN108394182B (en) Ceramic ink-jet printer nozzle cleaning control system
CN103476592B (en) Ink liquid mixing system
JP5383341B2 (en) Ink jet recording apparatus stop processing method
CN106853689A (en) The positive/negative-pressure ink feeding system and its method of work of a kind of 3D printing equipment
CN102642402B (en) Liquid ejection apparatus
CN107199774A (en) A kind of ink-jet system and its operating method
CN109311327B (en) Ink jet printer and priming method
JP2016030425A (en) Inkjet printer
CN203974237U (en) A kind of ink-jet printer shower nozzle ink feeding system
CN107571631A (en) A kind of automatic cleaning sprayer device
JP5954564B2 (en) Apparatus including liquid cleaning and filling unit, liquid cleaning and filling method in image forming apparatus, and apparatus including liquid cleaning and filling kit
US8459774B2 (en) Liquid jetting apparatus
JP6671898B2 (en) Ink jet recording apparatus and liquid supply method
JP2018094868A (en) Inkjet printer and method for cleaning ink head in inkjet printer
CN102991133B (en) Line-at-a-time printer and cleaning method
CN112092505B (en) Continuous ink supply control system for ink-jet printing
JP2012192618A (en) Image forming apparatus
CN109203708A (en) A kind of cleaning of integral intelligent ink road, emptying, ink-feeding device
CN103448368A (en) Printing head cleaning device and cleaning method
CN103347702A (en) Inkjet printing device
JP4765276B2 (en) Inkjet device
CN206999635U (en) A kind of positive/negative-pressure ink feeding system of 3D printing equipment
CN203046454U (en) Wide-line printer
CN110281656A (en) A kind of circulation ink system and ink road round-robin method for ink-jet printer
CN100395112C (en) Real time automatic cleaning method and apparatus for ink-jet head of digital ink-jet printer

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
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180112