CN107364123B - 使用可寻址uv交联的静电3-d打印机 - Google Patents

使用可寻址uv交联的静电3-d打印机 Download PDF

Info

Publication number
CN107364123B
CN107364123B CN201710254572.6A CN201710254572A CN107364123B CN 107364123 B CN107364123 B CN 107364123B CN 201710254572 A CN201710254572 A CN 201710254572A CN 107364123 B CN107364123 B CN 107364123B
Authority
CN
China
Prior art keywords
station
layer
platen
infusion
layers
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.)
Expired - Fee Related
Application number
CN201710254572.6A
Other languages
English (en)
Chinese (zh)
Other versions
CN107364123A (zh
Inventor
J·S·菲斯
D·C·克雷格
V·山姆布哈
E·罗伯斯弗洛雷斯
D·S·德莱思
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of CN107364123A publication Critical patent/CN107364123A/zh
Application granted granted Critical
Publication of CN107364123B publication Critical patent/CN107364123B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B29C64/209—Heads; Nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/245—Platforms or substrates
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1605—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using at least one intermediate support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B29C64/223—Foils or films, e.g. for transferring layers of building material from one working station to another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/264—Arrangements for irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/307—Handling of material to be used in additive manufacturing
    • B29C64/321—Feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/40—Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/163—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member, e.g. transfer through an air gap
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/221—Machines other than electrographic copiers, e.g. electrophotographic cameras, electrostatic typewriters
    • G03G15/224—Machines for forming tactile or three dimensional images by electrographic means, e.g. braille, 3d printing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/225—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 using contact-printing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/24—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 whereby at least two steps are performed simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/16—Transferring device, details
    • G03G2215/1676—Simultaneous toner image transfer and fixing
    • G03G2215/1695—Simultaneous toner image transfer and fixing at the second or higher order transfer point

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Ceramic Engineering (AREA)
  • Electromagnetism (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Structural Engineering (AREA)
  • Fixing For Electrophotography (AREA)
  • Color Electrophotography (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
CN201710254572.6A 2016-05-12 2017-04-18 使用可寻址uv交联的静电3-d打印机 Expired - Fee Related CN107364123B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/152,651 US10005227B2 (en) 2016-05-12 2016-05-12 Electrostatic 3-D printer using addressable UV crosslinking
US15/152651 2016-05-12

Publications (2)

Publication Number Publication Date
CN107364123A CN107364123A (zh) 2017-11-21
CN107364123B true CN107364123B (zh) 2020-09-29

Family

ID=58671483

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710254572.6A Expired - Fee Related CN107364123B (zh) 2016-05-12 2017-04-18 使用可寻址uv交联的静电3-d打印机

Country Status (5)

Country Link
US (1) US10005227B2 (OSRAM)
EP (1) EP3243657B1 (OSRAM)
JP (1) JP6785183B2 (OSRAM)
KR (1) KR102142833B1 (OSRAM)
CN (1) CN107364123B (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11426818B2 (en) 2018-08-10 2022-08-30 The Research Foundation for the State University Additive manufacturing processes and additively manufactured products
WO2021252740A1 (en) 2020-06-10 2021-12-16 Inkbit, LLC Materials for photoinitiated cationic ring-opening polymerization and uses thereof
US11534959B2 (en) * 2020-09-24 2022-12-27 Inkbit, LLC Delayed cure additive manufacturing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102056729A (zh) * 2008-04-25 2011-05-11 3D系统公司 利用连续波紫外光led固化的选择性沉积成形
US8459280B2 (en) * 2011-09-23 2013-06-11 Stratasys, Inc. Support structure removal system
CN104298084A (zh) * 2014-10-22 2015-01-21 珠海天威飞马打印耗材有限公司 显影剂、三维打印机及三维打印方法
WO2015092017A1 (en) * 2013-12-20 2015-06-25 Luxexcel Holding B.V. Method for printing a three dimensional structure and apparatus therefore
CN104890241A (zh) * 2015-06-03 2015-09-09 珠海天威飞马打印耗材有限公司 三维快速成型设备和成型方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7250238B2 (en) 2003-12-23 2007-07-31 Xerox Corporation Toners and processes thereof
US7184698B2 (en) 2004-03-17 2007-02-27 Eastman Kodak Company Durable electrophotographic prints
US7690782B2 (en) 2004-12-07 2010-04-06 Xerox Corporation Apparatus and process for printing ultraviolet curable inks
US7270408B2 (en) 2005-01-14 2007-09-18 Xerox Corporation Low level cure transfuse assist for printing with radiation curable ink
US7851549B2 (en) 2007-12-13 2010-12-14 Xerox Corporation Curable polyester latex made by phase inversion emulsification
US8470231B1 (en) 2009-06-01 2013-06-25 Stratasys Ltd. Three-dimensional printing process for producing a self-destructible temporary structure
JP2011020842A (ja) 2009-07-21 2011-02-03 Fuji Xerox Co Ltd シート長測定装置及び画像形成装置
JP2011028055A (ja) * 2009-07-27 2011-02-10 Fuji Xerox Co Ltd 画像形成方法、プロセスカートリッジ、及び、画像形成装置
JP5855755B2 (ja) * 2011-09-23 2016-02-09 ストラタシス，インコーポレイテッド アディティブマニュファクチュアリングのための層溶融転写
US8488994B2 (en) 2011-09-23 2013-07-16 Stratasys, Inc. Electrophotography-based additive manufacturing system with transfer-medium service loops
US20130186558A1 (en) * 2011-09-23 2013-07-25 Stratasys, Inc. Layer transfusion with heat capacitor belt for additive manufacturing
EP2917026A1 (de) 2012-11-09 2015-09-16 Evonik Röhm GmbH Mehrfarbiger extrusionsbasierter-3d-druck
CN104781063B (zh) 2012-11-09 2018-02-27 赢创罗姆有限公司 用于挤出式3d打印法的经涂布长丝的用途和制备
JP6456353B2 (ja) 2013-03-12 2019-01-23 オレンジ・メーカー・エルエルシー 渦巻状の積上げを使用した３ｄ印刷
JP6376831B2 (ja) * 2013-06-20 2018-08-22 キヤノン株式会社 構造体の製造方法
US9029058B2 (en) 2013-07-17 2015-05-12 Stratasys, Inc. Soluble support material for electrophotography-based additive manufacturing
US9144940B2 (en) * 2013-07-17 2015-09-29 Stratasys, Inc. Method for printing 3D parts and support structures with electrophotography-based additive manufacturing
WO2015072921A1 (en) 2013-11-14 2015-05-21 Structo Pte. Ltd Additive manufacturing device and method
US10369743B2 (en) 2013-11-18 2019-08-06 San Draw Inc. Color or multi-material three-dimensional (3D) printing
US9744730B2 (en) 2013-11-22 2017-08-29 Stratasys, Inc. Magnetic platen assembly for additive manufacturing system
JP6532122B2 (ja) * 2015-04-01 2019-06-19 株式会社ミマキエンジニアリング 三次元造形物の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102056729A (zh) * 2008-04-25 2011-05-11 3D系统公司 利用连续波紫外光led固化的选择性沉积成形
US8459280B2 (en) * 2011-09-23 2013-06-11 Stratasys, Inc. Support structure removal system
WO2015092017A1 (en) * 2013-12-20 2015-06-25 Luxexcel Holding B.V. Method for printing a three dimensional structure and apparatus therefore
CN104298084A (zh) * 2014-10-22 2015-01-21 珠海天威飞马打印耗材有限公司 显影剂、三维打印机及三维打印方法
CN104890241A (zh) * 2015-06-03 2015-09-09 珠海天威飞马打印耗材有限公司 三维快速成型设备和成型方法

Also Published As

Publication number Publication date
JP6785183B2 (ja) 2020-11-18
KR102142833B1 (ko) 2020-08-10
JP2017206007A (ja) 2017-11-24
US20170326795A1 (en) 2017-11-16
KR20170128083A (ko) 2017-11-22
CN107364123A (zh) 2017-11-21
EP3243657B1 (en) 2019-01-09
EP3243657A1 (en) 2017-11-15
US10005227B2 (en) 2018-06-26

Similar Documents

Publication Publication Date Title
JP6796551B2 (ja) 平坦化材料及び機械的プレーナーを使用した静電気式３ｄプリンタ
JP6800063B2 (ja) ３次元プリンタ
JP6824100B2 (ja) 異なる融点の材料を使用した静電３ｄ現像装置
KR102154471B1 (ko) 용해 가능한 용지를 이용하는 전자사진 3-d 인쇄
US20190210279A1 (en) Electrostatic 3-d printer using layer and mechanical planer
JP6815252B2 (ja) 折り畳み可能な基材を使用した電子写真３ｄ印刷
CN107364123A (zh) 使用可寻址uv交联的静电3‑d打印机
US10350828B2 (en) 3-D printing using intermediate transfer belt and curable polymers

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
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200929