EP1286787A1 - Austragskopf und verfahren zum austrag von erstarrendem material - Google Patents

Austragskopf und verfahren zum austrag von erstarrendem material

Info

Publication number
EP1286787A1
EP1286787A1 EP00931732A EP00931732A EP1286787A1 EP 1286787 A1 EP1286787 A1 EP 1286787A1 EP 00931732 A EP00931732 A EP 00931732A EP 00931732 A EP00931732 A EP 00931732A EP 1286787 A1 EP1286787 A1 EP 1286787A1
Authority
EP
European Patent Office
Prior art keywords
dispensing head
annular passage
dispensing
drive
strands
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Withdrawn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
EP00931732A
Other languages
English (en)
French (fr)
Inventor
Frits Kornelis Feenstra
Steffi Finke
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.)
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Original Assignee
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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 Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO filed Critical Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Publication of EP1286787A1 publication Critical patent/EP1286787A1/de
Withdrawn legal-status Critical Current

Links

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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • B29C41/36—Feeding the material on to the mould, core or other substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00523—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes provided with means to heat the material
    • 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
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • 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
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
    • 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 [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

Definitions

  • Dispensing head and method for dispensing solidifying material Dispensing head and method for dispensing solidifying material.
  • the invention relates to a dispensing head for an apparatus for
  • heating means operatively associated with the
  • annular passage to form a liquifying zone for liquifying material in the
  • annular passage located between the input opening and the dispensing outlet
  • Such a dispensing head is known from EP 0 833 237 and is used for
  • a problem associated with the known dispensing head is that, in
  • the object of the invention is to provide a dispensing head of the
  • annular passage forms a continuous support
  • means provides for an increased material transport reliability, thereby preventing disturbance of the predetermined rate of flow due to leakage of
  • the drive elements can engage the strand when it is still solid.
  • the drive means comprise drive elements for engaging the strands of solid material, the drive elements being arranged to reach through corresponding apertures in the wall of the annular passage.
  • the drive means may also comprise e.g. a screw thread rotationally disposed on the inner wall of the annular passage at the drive zone.
  • the annular passage is at
  • the drive elements comprise drive wheels, which may be juxtaposed in radially opposite pairs for increased grip.
  • the drive means comprise two or more of such pairs which may be distributed
  • each drive wheel is driven.
  • the drive wheels have a common drive. It should be noted however, that the drive wheels can each be driven independently and that it is also possible to provide non-driven idler wheels.
  • the dispensing head comprises preheating
  • preheating means for preheating strands of solid material, the preheating means being
  • the metal can be heated in a controlled way, so that a preselected solid fraction can be obtained.
  • the solid fraction determines the
  • the invention further relates to a method of liquifying
  • dispensing solidifying material from a dispensing head as well as to an apparatus for making three-dimensional objects comprising a dispensing head.
  • fig. 1 shows a perspective view of a dispensing head
  • fig. 2 shows a perspective view of an apparatus for making three- dimensional physical objects using the FDM technique.
  • Fig. 1 shows a dispensing head for an apparatus for making three-
  • the dispensing head 1 comprises an annular passage 2 in the form of a canal with a circular cross section.
  • the annular passage 2 extends from a
  • the dispensing head 1 furthermore, to a dispensing outlet 4.
  • heating means 5 shown as a coil of wire forming an electrical
  • the coil is wrapped around the thin-walled tubular member
  • the dispensing head 1 further comprises drive means 7 for driving material through the annular passage 2.
  • the drive means 7 are integrated in the annular passage 2, such that they can
  • the drive means 7 comprise drive elements, in the
  • passage 2 sealingly surrounds the drive wheels 9.
  • the drive wheels 9 are disposed, to reach with a part of their
  • annular passage 2 is used to engage a strand 8 inserted through the receiving inlet 3 and extending into the annular passage 2 at its
  • the tread surface is provided with a profile, e.g. an
  • the drive wheels 9 are juxtaposed in radially opposite pairs relative to the central axis A of the annular passage 2. In the drawing, two pairs of .
  • the drive wheels may be rotationally coupled.
  • the drive wheels are made of metal, preferably hardened steel.
  • the tread surface 13 may be slightly convex to improve cooperation with the cilindrical
  • the liquifying zone L In the liquifying zone the solid strand 8 is liquified.
  • Preheating means 16 shown as an electrical wire resistance heater
  • phase and/or temperature for processing are phase and/or temperature for processing.
  • strands of numerous materials can be processed, including: PA (polyamide), polyesther
  • PET poly-buthene-terephtalate
  • PBTP poly-ethene-terephtalate
  • PETP polycarbonate
  • PC polycarbonate
  • ABS acrylonitrile-butadiene-styrene copolymer
  • ASA acrylonitrile styrene acrylic copolymer
  • SAN Styrene acrylonitrile copolymer
  • POM polyacetal
  • CA cellulose acetate
  • PMMA polymethyl-methacrylate
  • PPO polyphenyloxide
  • PPS polyphenylenesulfi.de
  • PSO polysulphone
  • PTFE polytetrafluorethylene
  • PES Polyethersulphone
  • PEEK polyether-ether-ketone
  • PMP polymethylpentene
  • PPE/PS polyphenylether+polystyrene
  • PI polyimide
  • PEI polyetherimide
  • PNC polyvinylchloride
  • PS polystyrene
  • PE polyolefins
  • PE, PP polyvinylydenefluoride
  • PNDF polyvinylydenefluoride
  • ETFE tetrafluorethene-ethene copolymer
  • watersoluble polymers poly aery la ide (PAA), polyethylene oxide (PEO), biopolymers, thermoplastic elastomers: polyesther, polyether or polyolefin
  • filled or grafted grades fillers such as glass, minerals, fibres, grafted with
  • the strands may be composed, e.g. be built up of different filaments or coaxial layers.
  • preheating means may also be used
  • preheating means need not be part of the dispensing head, but may be arranged on a different portion of the machine
  • an apparatus 20 is shown for making three- dimensional physical objects 21 of a predetermined shape by sequentially
  • apparatus 20 comprises the dispensing head 1 of fig. 1 and means for
  • the apparatus 20 further comprises a base member 22 disposed in working proximity to the dispensing outlet 3 of the dispensing head 1 and means for
  • the means for moving the dispensing head are shown as linear drives 23A, 23B and 23C in which the dispensing head 1 can be moved in the X, Y and Z direction respectively.
  • the apparatus 20 further comprises control means 24, e.g. a computer, for controlling the linear drives 23 and the drive means 7 of the dispensing head 1, such that the dispensing head 1 can
  • the base member 22 is preferably disposed in a working chamber 25
  • the working chamber 25 may
  • the temperature of the environment in the working chamber 25 may be controlled, e.g. using a
  • Such an additional driving zone D' may be provided. Such an additional driving zone D' may be provided.
  • the additional driving zone D' is provided on an input
  • the annular passage may provide support against buckling.
EP00931732A 2000-05-19 2000-05-19 Austragskopf und verfahren zum austrag von erstarrendem material Withdrawn EP1286787A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NL2000/000345 WO2001089714A1 (en) 2000-05-19 2000-05-19 Dispensing head and method for dispensing solidifying material

Publications (1)

Publication Number Publication Date
EP1286787A1 true EP1286787A1 (de) 2003-03-05

Family

ID=19760691

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00931732A Withdrawn EP1286787A1 (de) 2000-05-19 2000-05-19 Austragskopf und verfahren zum austrag von erstarrendem material
EP00963138A Expired - Lifetime EP1286822B1 (de) 2000-05-19 2000-09-07 Fdm-verfahren und vorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP00963138A Expired - Lifetime EP1286822B1 (de) 2000-05-19 2000-09-07 Fdm-verfahren und vorrichtung

Country Status (7)

Country Link
EP (2) EP1286787A1 (de)
JP (2) JP2003534121A (de)
AT (1) ATE281924T1 (de)
AU (2) AU2000249562A1 (de)
CA (2) CA2411022A1 (de)
DE (1) DE60015813D1 (de)
WO (2) WO2001089714A1 (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7314591B2 (en) * 2001-05-11 2008-01-01 Stratasys, Inc. Method for three-dimensional modeling
US6814907B1 (en) * 2001-12-18 2004-11-09 Stratasys, Inc. Liquifier pump control in an extrusion apparatus
JPWO2005084581A1 (ja) * 2004-03-03 2008-01-17 独立行政法人科学技術振興機構 医療用３次元構造物、その製造方法及び製造装置
US7744364B2 (en) * 2007-06-21 2010-06-29 Stratasys, Inc. Extrusion tip cleaning assembly
US7897074B2 (en) * 2008-04-30 2011-03-01 Stratasys, Inc. Liquefier assembly for use in extrusion-based digital manufacturing systems
DE102011106615A1 (de) * 2011-06-16 2012-12-20 Arburg Gmbh + Co Kg Vorrichtung zur Herstellung eines dreidimensionalen Gegenstandes
US9126365B1 (en) 2013-03-22 2015-09-08 Markforged, Inc. Methods for composite filament fabrication in three dimensional printing
US10259160B2 (en) 2013-03-22 2019-04-16 Markforged, Inc. Wear resistance in 3D printing of composites
US11237542B2 (en) 2013-03-22 2022-02-01 Markforged, Inc. Composite filament 3D printing using complementary reinforcement formations
US10953609B1 (en) 2013-03-22 2021-03-23 Markforged, Inc. Scanning print bed and part height in 3D printing
US9815268B2 (en) 2013-03-22 2017-11-14 Markforged, Inc. Multiaxis fiber reinforcement for 3D printing
US9186848B2 (en) 2013-03-22 2015-11-17 Markforged, Inc. Three dimensional printing of composite reinforced structures
CN107813495A (zh) 2013-03-22 2018-03-20 格雷戈里·托马斯·马克 三维打印
US9186846B1 (en) 2013-03-22 2015-11-17 Markforged, Inc. Methods for composite filament threading in three dimensional printing
US9694544B2 (en) 2013-03-22 2017-07-04 Markforged, Inc. Methods for fiber reinforced additive manufacturing
US9579851B2 (en) 2013-03-22 2017-02-28 Markforged, Inc. Apparatus for fiber reinforced additive manufacturing
US9149988B2 (en) 2013-03-22 2015-10-06 Markforged, Inc. Three dimensional printing
US9956725B2 (en) 2013-03-22 2018-05-01 Markforged, Inc. Three dimensional printer for fiber reinforced composite filament fabrication
US9688028B2 (en) 2013-03-22 2017-06-27 Markforged, Inc. Multilayer fiber reinforcement design for 3D printing
US10682844B2 (en) 2013-03-22 2020-06-16 Markforged, Inc. Embedding 3D printed fiber reinforcement in molded articles
US9156205B2 (en) 2013-03-22 2015-10-13 Markforged, Inc. Three dimensional printer with composite filament fabrication
EP3444102B1 (de) 2013-06-05 2023-08-09 Markforged, Inc. Verfahren und vorrichtung zur faserverstärkten generativen fertigung
CN103395208B (zh) * 2013-08-07 2015-09-16 苏州江南嘉捷机电技术研究院有限公司 一种同步送丝的三维打印机
JP6235311B2 (ja) * 2013-11-15 2017-11-22 株式会社東芝 三次元造形ヘッド、及び三次元造形装置
TWI596002B (zh) * 2013-12-13 2017-08-21 三緯國際立體列印科技股份有限公司 立體列印裝置
KR101579140B1 (ko) * 2014-05-16 2015-12-21 주식회사 옵티메드 고체 기반형 3ｄ 프린터
KR101769144B1 (ko) * 2014-05-22 2017-08-18 바이오메디칼쓰리디프린팅 주식회사 Ｆｄｍ용 필라멘트 제조 장치，와이어가 담지된 ｆｄｍ용 필라멘트 및 이를 이용하는 ３차원 프린터
CN104401000A (zh) * 2014-05-31 2015-03-11 福州大学 一种基于3d技术的导光板制备方法
CN107000319B (zh) 2014-09-05 2019-06-25 安姆希比创新咨询有限公司 三维打印机成型用细丝和结晶性软质树脂成型体的制造方法
JPWO2016121796A1 (ja) * 2015-01-27 2017-11-02 学校法人慶應義塾 ディスペンスヘッド、立体造形装置および立体造形方法
JP6550455B2 (ja) * 2015-03-31 2019-07-24 武藤工業株式会社 樹脂熔融型造形ヘッド及び三次元造形装置
JP2016203633A (ja) 2015-04-20 2016-12-08 Ｍｃｐｐイノベーション合同会社 材料押出式３次元プリンター成形用フィラメント及び成形体の製造方法
JP6481496B2 (ja) 2015-05-13 2019-03-13 三菱ケミカル株式会社 材料押出式３次元プリンター用フィラメント用樹脂
CN106696253B (zh) * 2015-11-12 2020-04-28 深圳市人彩科技有限公司 带有多路摩擦送料系统的彩色fdm-3d打印机
WO2017167691A1 (en) 2016-04-01 2017-10-05 Solvay Specialty Polymers Usa, Llc Method for manufacturing a three-dimensional object
US10542589B2 (en) * 2016-07-21 2020-01-21 Ut-Battelle, Llc Electromagnetic print nozzle for direct-write additive manufacturing with resistive renditions
KR101878298B1 (ko) * 2016-09-08 2018-07-13 주식회사 포던테크 3d 프린터용 필라멘트 제조 장비
JP6837792B2 (ja) * 2016-09-30 2021-03-03 ローランドディー．ジー．株式会社 三次元造形装置におけるヘッド機構
US11554533B2 (en) 2017-05-04 2023-01-17 Lehigh University Additive manufacturing system with tunable material properties
ES2924883T3 (es) * 2018-01-18 2022-10-11 Arctic Biomaterials Oy Impresión 3D reforzada con fibra
JP7184079B2 (ja) 2018-04-26 2022-12-06 三菱ケミカル株式会社 ポリアミド系３次元プリンタ用材料
CN112203829B (zh) 2018-06-06 2023-05-02 三菱化学株式会社 三维打印机用材料
US20220016837A1 (en) * 2018-11-14 2022-01-20 Stratasys, Inc. Filament drive mechanism for use in additive manufacturing system and method of printing 3d part
US11267199B2 (en) 2018-11-14 2022-03-08 Stratasys, Inc. Filament drive and loading method for 3D printer
US11760001B2 (en) 2019-03-29 2023-09-19 Stratasys, Inc. Filament supply with sealed connector for use with a 3D printer
JPWO2021095769A1 (de) 2019-11-12 2021-05-20
US11485085B2 (en) 2020-01-21 2022-11-01 Stratasys, Inc. Low pull force filament delivery system
CN112759879B (zh) * 2020-12-30 2022-04-08 广东顺德顺炎新材料股份有限公司 用于3d打印的低翘曲的asa复合材料及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317368A (en) * 1963-12-20 1967-05-02 United Shoe Machinery Corp Composite thermoplastic adhesives
DE3346254A1 (de) * 1983-12-21 1985-07-11 Kyocera Corp., Kyoto Einrichtung zum ueberziehen mit wachs
US4804110A (en) * 1986-01-08 1989-02-14 Charles R. Sperry Apparatus, method and article for applying a melted adhesive
US5121329A (en) 1989-10-30 1992-06-09 Stratasys, Inc. Apparatus and method for creating three-dimensional objects
US6030199A (en) * 1998-02-09 2000-02-29 Arizona Board Of Regents, Acting For And On Behalf Of Arizona State University Apparatus for freeform fabrication of a three-dimensional object

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0189714A1 *

Also Published As

Publication number Publication date
AU2000274589A1 (en) 2001-12-03
EP1286822A1 (de) 2003-03-05
ATE281924T1 (de) 2004-11-15
DE60015813D1 (de) 2004-12-16
CA2411022A1 (en) 2001-11-29
JP2003534121A (ja) 2003-11-18
EP1286822B1 (de) 2004-11-10
WO2001089814A1 (en) 2001-11-29
JP2003534159A (ja) 2003-11-18
CA2411025A1 (en) 2001-11-29
AU2000249562A1 (en) 2001-12-03
WO2001089714A1 (en) 2001-11-29

Similar Documents

Publication Publication Date Title
EP1286787A1 (de) Austragskopf und verfahren zum austrag von erstarrendem material
US11691340B2 (en) Three-dimensional modeling apparatus and three-dimensional modeling method
US10076880B2 (en) Material deposition systems with four or more axes
CN1284634C (zh) 给物体表面涂覆精加工覆盖物的系统和方法及用该方法涂覆的产品
DE69509597T3 (de) Hohler behälter mit inerter oder undurchlässiger innerer oberfläche durch plasmaunterstütze oberflächereaktion oder in situ polymerisation
EP2650101B1 (de) Rollenförderer für Kunststoffvorformlinge
US10449710B2 (en) Methods and apparatus for compressing material during additive manufacturing
EP2819789B1 (de) VERFAHREN ZUR HERSTELLUNG EINES WÄLZLAGERKÄFIGS, INSBESONDERE FÜR GROßWÄLZLAGER SOWIE VORRICHTUNG ZUR DURCHFÜHRUNG DES VERFAHRENS
WO2015019053A1 (en) Extrusion-based additive manufacturing system and method
GB2350807A (en) Coating articles having internal bores
US11420391B2 (en) Cleaning mechanism for 3D printer
CN1036153A (zh) 把涂料涂敷到细长材料上的方法及设备
KR102021417B1 (ko) 방사형 토출 노즐을 구비한 3d 프린터 장치
US20200139634A1 (en) Fdm printer and method with force feedback for printing non-uniform filaments
CN110337358B (zh) 用于具有可变排出速率的3d打印的打印头、方法和系统
CN112088084B (zh) 混色喷嘴
US4964891A (en) Programmably controlled fiber glass strand feeders and improved methods for making glass fiber mats
CA2028423C (en) Programmably controlled fiber glass strand feeders and improved methods for making glass fiber mats
DE102013101727A1 (de) Gehäuse mit einer Rotationsreibschweißnaht
CN113771362A (zh) 用于在增材制造期间操作多喷嘴挤出机的系统和方法
KR101914705B1 (ko) 고분자 복합 재료를 활용한 3d 입체물 제조 로봇 시스템
KR102041980B1 (ko) 헤드 유닛
EP1412304B1 (de) Verfahren zur herstellung von mikrostrukturierten, keramischen körpern und entsprechend hergestellte mikrostrukturierte körper
US20190381729A1 (en) Multi-material fabrication with direct-write additive manufacturing
KR101944748B1 (ko) 고분자 복합 재료를 활용한 3d 입체물 및 이의 제조 로봇 시스템

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20021213

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17Q First examination report despatched

Effective date: 20040506

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20041117