CN110884119A - 用于制造三维物体的设备 - Google Patents

用于制造三维物体的设备 Download PDF

Info

Publication number
CN110884119A
CN110884119A CN201911184261.2A CN201911184261A CN110884119A CN 110884119 A CN110884119 A CN 110884119A CN 201911184261 A CN201911184261 A CN 201911184261A CN 110884119 A CN110884119 A CN 110884119A
Authority
CN
China
Prior art keywords
process chamber
building
chamber
gantry
guide
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
CN201911184261.2A
Other languages
English (en)
Chinese (zh)
Inventor
F·贝希曼
F·赫尔佐克
F·措伊尔纳
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.)
CL Schutzrechtsverwaltung GmbH
Original Assignee
CL Schutzrechtsverwaltung GmbH
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 CL Schutzrechtsverwaltung GmbH filed Critical CL Schutzrechtsverwaltung GmbH
Publication of CN110884119A publication Critical patent/CN110884119A/zh
Pending legal-status Critical Current

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
    • 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
    • B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/38—Housings, e.g. machine housings
    • 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
    • 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
    • B29C64/227—Driving means
    • B29C64/236—Driving means for motion in a direction within the plane of a layer
    • 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
    • B29C64/25—Housings, e.g. machine housings
    • 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
    • B29C64/255—Enclosures for the building material, e.g. powder containers
    • 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
    • B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
    • 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
    • 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
    • B29C64/343—Metering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/30—Platforms or substrates
    • 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
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/02—Dispensing from vessels, e.g. hoppers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
CN201911184261.2A 2015-12-21 2016-11-24 用于制造三维物体的设备 Pending CN110884119A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102015122460.7A DE102015122460A1 (de) 2015-12-21 2015-12-21 Vorrichtung zur Herstellung dreidimensionaler Objekte
DE102015122460.7 2015-12-21
CN201680023767.3A CN107530964B (zh) 2015-12-21 2016-11-24 用于制造三维物体的设备

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201680023767.3A Division CN107530964B (zh) 2015-12-21 2016-11-24 用于制造三维物体的设备

Publications (1)

Publication Number Publication Date
CN110884119A true CN110884119A (zh) 2020-03-17

Family

ID=57394571

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201680023767.3A Expired - Fee Related CN107530964B (zh) 2015-12-21 2016-11-24 用于制造三维物体的设备
CN201911184261.2A Pending CN110884119A (zh) 2015-12-21 2016-11-24 用于制造三维物体的设备

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201680023767.3A Expired - Fee Related CN107530964B (zh) 2015-12-21 2016-11-24 用于制造三维物体的设备

Country Status (6)

Country Link
US (1) US20180326656A1 (enExample)
EP (2) EP3778198A1 (enExample)
JP (2) JP6659824B2 (enExample)
CN (2) CN107530964B (enExample)
DE (1) DE102015122460A1 (enExample)
WO (1) WO2017108321A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014112447B4 (de) * 2014-08-29 2025-04-24 Exone Gmbh 3D-Drucker, 3D-Druckeranordnung und generatives Fertigungsverfahren
EP3482912A1 (en) * 2017-11-08 2019-05-15 CL Schutzrechtsverwaltungs GmbH Apparatus for additively manufacturing three-dimensional objects
US12496636B1 (en) * 2019-01-31 2025-12-16 Freeform Future Corp. Independent laser-beam steering for laser beamforming in metal additive manufacturing using powder-bed fusion
DE102019000796A1 (de) * 2019-02-05 2020-08-06 Voxeljet Ag Wechselbare Prozesseinheit
EP3972756A2 (en) 2019-05-23 2022-03-30 General Electric Company Cleaning systems for additive manufacturing apparatuses and methods for using the same
US12358227B2 (en) 2019-05-23 2025-07-15 General Electric Company Fluid management and circulation systems for use in additive manufacturing apparatuses
WO2020237123A2 (en) 2019-05-23 2020-11-26 General Electric Company Cleaning fluids for use in additive manufacturing apparatuses and methods for monitoring status and performance of the same
US12208583B2 (en) 2019-05-23 2025-01-28 General Electric Company Wiper arrays for use in additive manufacturing apparatuses
CN114174043B (zh) 2019-05-23 2025-03-21 通用电气公司 包括感测器的增材制造重涂组件及其使用方法
EP3972757A1 (en) 2019-05-23 2022-03-30 General Electric Company Additive manufacturing apparatuses and methods
EP3972815A2 (en) * 2019-05-23 2022-03-30 General Electric Company Actuator assemblies for additive manufacturing apparatuses and methods for using the same
CN114126840B (zh) 2019-05-23 2024-08-23 通用电气公司 包括真空部的增材制造重涂组件及其使用方法
US12076918B2 (en) 2019-05-23 2024-09-03 General Electric Company Additive manufacturing apparatuses and methods for using the same
EP3972847A1 (en) 2019-05-23 2022-03-30 General Electric Company Printing assemblies and methods for using the same
JP7267462B2 (ja) 2019-05-23 2023-05-01 ゼネラル・エレクトリック・カンパニイ オブジェクト形成方法
WO2022086564A1 (en) * 2020-10-23 2022-04-28 Hewlett-Packard Development Company, L.P. Scoop and dispense for additive manufacturing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011087374A1 (de) * 2011-11-29 2013-05-29 Matthias Fockele Verfahren zur Herstellung eines Formkörpers durch schichtweises Aufbauen aus Werkstoffpulver
US20140175708A1 (en) * 2012-12-25 2014-06-26 Honda Motor Co., Ltd. Three-dimensional object building apparatus and method for building three-dimensional object
US20140265049A1 (en) * 2013-03-15 2014-09-18 Matterfab Corp. Cartridge for an additive manufacturing apparatus and method
CN104741609A (zh) * 2015-03-31 2015-07-01 深圳市圆梦精密技术研究院 电子束熔融及切削复合3d打印设备
CN104827664A (zh) * 2015-01-28 2015-08-12 江汉大学 一种3d打印机
CN105150543A (zh) * 2015-10-12 2015-12-16 仇新宇 一种多打印头3d打印机

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6989115B2 (en) * 1996-12-20 2006-01-24 Z Corporation Method and apparatus for prototyping a three-dimensional object
US20020195746A1 (en) * 2001-06-22 2002-12-26 Hull Charles W. Recoating system for using high viscosity build materials in solid freeform fabrication
JP2007503342A (ja) * 2003-05-23 2007-02-22 ズィー コーポレイション 三次元プリント装置及び方法
US20050280185A1 (en) * 2004-04-02 2005-12-22 Z Corporation Methods and apparatus for 3D printing
DE102006055074A1 (de) * 2006-11-22 2008-06-19 Eos Gmbh Electro Optical Systems Vorrichtung zum schichtweisen Herstellen eines dreidimensionalen Objekts und Verfahren zum Zuführen von Aufbaumaterial
US8296923B2 (en) * 2007-11-29 2012-10-30 Spirit Aerosystems, Inc. Modular numerically controlled system
US10189086B2 (en) * 2011-12-28 2019-01-29 Arcam Ab Method and apparatus for manufacturing porous three-dimensional articles
DE102012012412A1 (de) 2012-06-25 2014-03-20 Cl Schutzrechtsverwaltungs Gmbh Vorrichtung zur Herstellung dreidimensionaler Objekte durch sukzessives Verfestigen von Schichten eines insbesondere pulverförmigen, mittels elektromagnetischer Strahlung oder Teilchenstrahlung verfestigbaren Aufbaumaterials
JP6306603B2 (ja) * 2012-11-08 2018-04-04 ディーディーエム システムズ， インコーポレイテッド ３次元オブジェクトを加工するためのシステムおよび方法
DE102012022859A1 (de) * 2012-11-25 2014-05-28 Voxeljet Ag Aufbau eines 3D-Druckgerätes zur Herstellung von Bauteilen
JP6257185B2 (ja) * 2013-06-28 2018-01-10 シーメット株式会社 三次元造形装置及び三次元造形物の造形方法
US10195778B2 (en) * 2013-10-15 2019-02-05 Wolf & Associates, Inc. Three-dimensional printer systems and methods
DE102013021961A1 (de) * 2013-12-20 2015-07-09 Universität Rostock Stereolithographie- System
CN204712462U (zh) * 2015-01-28 2015-10-21 江汉大学 一种3d打印机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011087374A1 (de) * 2011-11-29 2013-05-29 Matthias Fockele Verfahren zur Herstellung eines Formkörpers durch schichtweises Aufbauen aus Werkstoffpulver
US20140175708A1 (en) * 2012-12-25 2014-06-26 Honda Motor Co., Ltd. Three-dimensional object building apparatus and method for building three-dimensional object
US20140265049A1 (en) * 2013-03-15 2014-09-18 Matterfab Corp. Cartridge for an additive manufacturing apparatus and method
CN104827664A (zh) * 2015-01-28 2015-08-12 江汉大学 一种3d打印机
CN104741609A (zh) * 2015-03-31 2015-07-01 深圳市圆梦精密技术研究院 电子束熔融及切削复合3d打印设备
CN105150543A (zh) * 2015-10-12 2015-12-16 仇新宇 一种多打印头3d打印机

Also Published As

Publication number Publication date
US20180326656A1 (en) 2018-11-15
CN107530964A (zh) 2018-01-02
JP6659824B2 (ja) 2020-03-04
CN107530964B (zh) 2019-12-24
EP3393756A1 (de) 2018-10-31
DE102015122460A1 (de) 2017-06-22
JP2020073351A (ja) 2020-05-14
EP3778198A1 (de) 2021-02-17
JP2018520029A (ja) 2018-07-26
WO2017108321A1 (de) 2017-06-29
EP3393756B1 (de) 2020-11-11

Similar Documents

Publication Publication Date Title
CN110884119A (zh) 用于制造三维物体的设备
CN110461507B (zh) 用于生产三维工件的装置和方法
US10913204B2 (en) Device for constructing models in layers and methods thereof
US10799989B2 (en) Pre-assembled module for a device for the layer-wise production of patterns
CN107614247B (zh) 用于添加式制造三维物体的系统
JP2020073351A5 (enExample)
JP6046534B2 (ja) 粉体供給装置及びこの粉体供給装置を備えた三次元造形装置
CN107614246B (zh) 用于添加式地制造三维物体的设备
KR20160147836A (ko) 레이어와이즈 제조를 통하여 유형 제품을 만들기 위한 장치 및 방법
JP6791922B2 (ja) 修正されたフレームおよびリコーティングシステム
US20180133962A1 (en) Apparatus for additively manufacturing of three-dimensional objects
CN107614161A (zh) 用于添加式地制造三维物体的设备
US20250340016A1 (en) Lifting apparatus for a support device of an installation for additively manufacturing a three-dimensional workpiece
DE102015017182A1 (de) Vorrichtung zur Herstellung dreidimensionaler Objekte
DE102015017180B4 (de) Vorrichtung zur Herstellung dreidimensionaler Objekte
DE102015017175B4 (de) Vorrichtung zur Herstellung dreidimensionaler Objekte
CN110625932A (zh) 用于制造至少由一个材料层构建的三维物体的装置和方法
KR20250166972A (ko) 3차원 스크린-인쇄된 작업편을 생산하기 위한 장치, 및 이를 위한 방법
DE102015017179A1 (de) Vorrichtung zur Herstellung dreidimensionaler Objekte
DE102015017174A1 (de) Vorrichtung zur Herstellung dreidimensionaler Objekte
KR20250166971A (ko) 3차원 스크린-인쇄된 작업편을 생산하기 위한 장치, 및 이를 위한 방법
US20190160752A1 (en) Powder module

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

Application publication date: 20200317

WD01 Invention patent application deemed withdrawn after publication