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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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Inventor Inventor Assignee Assignee IPC IPC
121
EP3468774B1
ADDITIVE MANUFACTURING DEVICE INCLUDING A MOVABLE BEAM GENERATION UNIT OR DIRECTING UNIT
Publication/Patent Number: EP3468774B1 Publication Date: 2020-09-02 Application Number: 17726305.0 Filing Date: 2017-05-29 Inventor: Von, Burg Christian   Zeltner, Joscha   Solenicki, Dominik   Assignee: Sintratec AG   IPC: B29C64/153
122
CN111559077A
三维造型物的造型方法
Substantial Examination
Publication/Patent Number: CN111559077A Publication Date: 2020-08-21 Application Number: 201911134616.7 Filing Date: 2019-11-19 Inventor: 富田诚一   Assignee: 株式会社松浦机械制作所   IPC: B29C64/153 Abstract: 本发明提供一种提高粉末使用效率和刮刀工作效率的三维造型物的造型方法,包括造型台上侧的粉末层的形成和由激光进行的烧结,采用:工序1,将刮刀移动距离设定为不到达腔室壁部的短距离;工序2,在基于由工序1设定的移动距离的移动区域内,确定将与刮刀移动方向正交的方向的两端侧连接的壁部层、或在包围预定进行烧结的区域的状态下对于粉末供给部侧的端部从该区域的两侧连接的线状的壁部层的位置;工序3,通过以由工序1设定的移动距离移动刮刀而形成粉末层;工序4,对于由工序3形成的粉末层,通过照射激光束或电子束而形成烧结层,并且在由工序2确定的壁部层的位置通过照射激光束或电子束而形成壁部层;工序5,反复进行工序3和4。
123
CN111716715A
一种基于液相光驱动的激光微纳米沉积打印方法
Substantial Examination
Publication/Patent Number: CN111716715A Publication Date: 2020-09-29 Application Number: 202010406138.7 Filing Date: 2020-05-14 Inventor: 王雷   王霞   Assignee: 青岛科技大学   IPC: B29C64/153 Abstract: 本发明属于激光技术领域,涉及一种基于液相光驱动的激光微纳米沉积打印方法,将光驱动粉末材料浸入液体中,使用激光束辐照液体中的材料,利用光驱动实现材料在目标基底上的沉积打印;既具有喷墨打印等增材制造技术的便捷性和可设计性,同时又具有投影曝光技术的高精度和大面积高效制造等优势,是一种颠覆性的微纳米沉积打印技术,整个沉积打印过程简单高效,绿色环保,应用前景广阔。
124
US2020198011A1
METHOD FOR MANUFACTURING THREE-DIMENSIONAL SHAPED OBJECT
Publication/Patent Number: US2020198011A1 Publication Date: 2020-06-25 Application Number: 16/720,165 Filing Date: 2019-12-19 Inventor: Hideshima, Yasutoshi   Miyashita, Takeshi   Assignee: SEIKO EPSON CORPORATION   IPC: B22F3/105 Abstract: A method for manufacturing a three-dimensional shaped object by laminating a layer to manufacture the three-dimensional shaped object, the method including a layer forming step of forming the layer using a constituent material containing amorphous metal powder and a melting and solidifying step of irradiating the layer with a laser to melt and solidify the amorphous metal powder, in which in the melting and solidifying step, a melted and solidified portion obtained by melting and solidifying the amorphous metal powder by being irradiated with the laser is formed and irradiation of the laser is repeated so that at least one-half of a width of the melted and solidified portion overlaps, thereby allowing the layer to become a metal layer in which an amorphous region and a crystal region are formed in a mesh shape.
125
US2020023578A1
HOMOGENIZATION OF THE ENERGY INPUT
Publication/Patent Number: US2020023578A1 Publication Date: 2020-01-23 Application Number: 16/499,701 Filing Date: 2018-04-24 Inventor: Edelhäuser, Sebastian   Hümmeler, Ludger   Hofbauer, Peter   Schmitt, Christopher   Assignee: EOS GmbH Electro Optical Systems   IPC: B29C64/153 Abstract: A method for providing control data for a generative layer construction device has a first step of accessing a data record which, at least for a partial region of an object cross section, specifies in which temporal sequence an energy beam bundle is to be moved in scanning lines over the places of this partial region to scan the buildup material. In a second step, the data record is changed such that in at least one of the layers for the respective partial region of an object cross-section, a check is carried out to determine whether the scan time required to scan the buildup material along a scanning line falls below a predefined minimum duration tmin and either a lower energy density of the energy beam bundle during scanning of the buildup material along this scanning line is specified and/or a wait time is specified before the energy beam bundle is moved along a further scanning line.
126
EP3618989A1
SUCTION DEVICE FOR ADDITIVE PRODUCTION
Publication/Patent Number: EP3618989A1 Publication Date: 2020-03-11 Application Number: 18730302.9 Filing Date: 2018-06-04 Inventor: Ott, Michael   Rule, David   Assignee: Siemens Aktiengesellschaft   IPC: B22F3/105
127
US202047409A1
APPARATUS FOR ADDITIVELY MANUFACTURING THREE-DIMENSIONAL OBJECTS
Publication/Patent Number: US202047409A1 Publication Date: 2020-02-13 Application Number: 20/191,629 Filing Date: 2019-03-06 Inventor: DÖhler, Tim   Assignee: Concept Laser GmbH   IPC: B29C64/393 Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective irradiation and consolidation of layers of a build material (3) which can be consolidated by means of an energy source (4), comprising a build material application unit (9) that is adapted to receive, in particular powdery, build material (3) and adapted to apply at least one build material layer in a build plane (8), wherein a determination device (17) with at least one determination unit (18) connected in advance to the build material application unit (9) with respect to the build material flow direction (20), wherein the determination unit (18) is adapted to determine at least one build material parameter of at least one part of the build material (3) provided to the build material application unit (9).
128
US202047410A1
ADDITIVE PRODUCTION PROCESS USING A MIXED THERMOPLASTIC CONSTRUCTION MATERIAL
Publication/Patent Number: US202047410A1 Publication Date: 2020-02-13 Application Number: 20/181,660 Filing Date: 2018-04-23 Inventor: Reichert, Peter   Achten, Dirk   Wagner, Roland   Mettmann, Bettina   BÜsgen, Thomas   Kessler, Michael   Assignee: Covestro Deutschland AG   IPC: C08L75/06 Abstract: The present invention relates to a method for producing an object, comprising the step of producing the object according to an additive production process from a construction material, wherein the construction material comprises a mixture of a plurality of powdery thermoplastic materials which are different from one another due to at least one mechanical property and at least one thermoplastic material is a thermoplastic polyurethane material. The invention also relates to an object obtained according to said method.
129
US2020307072A1
METHOD FOR FORMING A THREE-DIMENSIONAL BODY HAVING REGIONS OF DIFFERENT DENSITIES
Publication/Patent Number: US2020307072A1 Publication Date: 2020-10-01 Application Number: 16/097,751 Filing Date: 2017-05-04 Inventor: Gacek, Matthew   Rehrig, Paul W.   Sender, Michael   Assignee: SAOMT-GOBAIN CERAMICS & PLASTICS, INC.   IPC: B29C64/153 Abstract: A method for continuously forming a three-dimensional body from a mixture, wherein the mixture can comprise solid particles and a radiation curable material. The method allows the continuous production of a three-dimensional body having at least one first region and at least one second region, wherein the at least one first region and the at least one second region can be different from each other based upon one or more criteria, such as density, content of solid particles, or average particle size.
130
US2020290280A1
METHOD FOR THE TREATMENT OF RESIDUAL THERMOPLASTIC POWDERS
Publication/Patent Number: US2020290280A1 Publication Date: 2020-09-17 Application Number: 16/815,656 Filing Date: 2020-03-11 Inventor: Alves, Bruno   Assignee: Ford Global Technologies, LLC   IPC: B29C64/357 Abstract: A method for the treatment of residual thermoplastic powder from an additive manufacturing process includes, in one step of the process, a powder that includes the residual powder is provided and compressed into granules as raw material for a primary shaping process. A pressing apparatus with two roller elements rotating in opposite directions and having lateral surfaces adjacent to one another in a pressing area is used to compress the powder into the granules. The lateral surfaces each having a plurality of molding elements assigned to one another in pairs such that the powder is compressed into granules in the pressing area. A cam mechanism positioned within one of the roller elements and configured to deflect the plurality of molding elements radially as a function of an angle of rotation of the roller element can be included.
131
US2020139622A1
Unknown
Publication/Patent Number: US2020139622A1 Publication Date: 2020-05-07 Application Number: 16/593,021 Filing Date: 2019-10-04 Inventor: Lampalzer, Ralf   Assignee: LAMPALZER, Ralf   IPC: B29C64/153 Abstract: In an apparatus for selective laser melting and/or laser sintering with a mounting base, that has at least one chamber, wherein the at least one chamber is a building chamber and/or a powder reservoir chamber for a powder, the saving of powder results in an increase in the possible uses of the apparatus, in that the apparatus further comprises at least one fitting element, wherein in operation, the at least one fitting element is located in the at least one building chamber, wherein in a first configuration the at least one fitting element is vertically movable relative to the main body and in a second configuration the at least one fitting element is fixedly connected to the mounting base.
132
US2020079009A1
METHOD AND DEVICE FOR PRODUCING A THREE-DIMENSIONAL OBJECT
Publication/Patent Number: US2020079009A1 Publication Date: 2020-03-12 Application Number: 15/743,167 Filing Date: 2016-07-14 Inventor: Paternoster, Stefan   Grünberger, Stefan   Assignee: EOS GmbH Electro Optical Systems   IPC: B29C64/153 Abstract: A method for producing a three-dimensional object by layer-wise applying and selectively solidifying a building material in powder form includes the steps of applying a layer of the building material over a working plane and selectively solidifying the layer at positions that correspond to a cross-section of the object to be produced by introducing energy and repeating the steps of applying and selectively solidifying until the object is completed. By doing so, the application step is carried out such that the application device moves at least twice over an area to be coated without an intermediate irradiation, and the step of selectively solidifying is carried out with an irradiation device that emits a radiation suited to solidify the building material.
133
EP3626433A1
METHOD FOR CALIBRATING AN IRRADIATION DEVICE
Publication/Patent Number: EP3626433A1 Publication Date: 2020-03-25 Application Number: 18195570.9 Filing Date: 2018-09-19 Inventor: Klaußner, Tim   Dicken, Christian   Gärber, Bertram   Assignee: Concept Laser GmbH   IPC: B29C64/153 Abstract: Method for calibrating an irradiation device (2) of an apparatus (1) for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam (6, 10), which irradiation device (2) comprises at least two irradiation units (3, 4), wherein a first irradiation unit (3) is adapted to generate at least one first energy beam (6) and guide the first energy beam (6) via a first beam guiding unit (7) in a first guiding region of a build plane (8), wherein a second irradiation unit (4) is adapted to generate at least one second energy beam (10) and guide the second energy beam (10) via a second beam guiding unit (11) in a second guiding region of a build plane (8), comprising the steps: - guiding one of the at least two energy beams (6, 10) via the corresponding irradiation unit (3, 4) to a determination region (15), preferably a part of a build plane (8), for generating a calibration pattern (18, 19) - imaging at least one part of the determination region (15) to an on-axis determination unit (12, 14) of the at least one other irradiation unit (3, 4) - determining a position of the calibration pattern (18, 19) in the determination region (15) on basis of the image of the at least one part of the determination region (15) - generating calibration information relating to a calibration status of at least one part of the irradiation device (2) based on the position of the calibration pattern (18, 19).
134
EP3744503A1
SHAPING POWDER
Publication/Patent Number: EP3744503A1 Publication Date: 2020-12-02 Application Number: 18902030.8 Filing Date: 2018-09-06 Inventor: Sendan, Hiroyuki   Yabu, Tadahiro   Fukagawa, Yukihiro   Murayama, Kenta   Shiromaru, Tomohiro   Miyatani, Toshio   Kondou, Masahiro   Hamada, Hiroyuki   Assignee: DAIKIN INDUSTRIES, LTD.   IPC: B29C64/153 Abstract: The present invention provides a shaping material for a powder bed fusion method, comprising a powder of a fluororesin.
135
CN209955317U
3D打印机
Grant
Title (English): 3 d Printers
Publication/Patent Number: CN209955317U Publication Date: 2020-01-17 Application Number: 201821527164.X Filing Date: 2018-09-18 Inventor: 吴敏   刘业   蒋荣归   Assignee: 深圳升华三维科技有限公司   IPC: B29C64/153 Abstract: 本实用新型公开一种3D打印机,所述3D打印机包括:工作台,用于铺设粉体材料的工作台;红外激光器,包括功率调节模块,用于控制所述红外激光器的输出功率;投影组件,所述投影组件包括DMD芯片,所述DMD芯片将所述功率调节模块调节后的激光光束投影到所述工作台,以对所述工作台上铺设的粉体材料进行加热;控制系统,用于控制所述DMD芯片的投影形状和所述功率调节模块。本实用新型技术方案能够降低所述DMD芯片的工作温度。
136
CN110799289A
用于增材制造的抽吸设备
Substantial Examination
Title (English): Suction equipment for material augmentation
Publication/Patent Number: CN110799289A Publication Date: 2020-02-14 Application Number: 201880042701.8 Filing Date: 2018-06-04 Inventor: M·奥特   D·鲁尔   Assignee: 西门子股份公司   IPC: B22F3/105 Abstract: 本发明涉及一种用于针对增材制造在粉末床(PB)上方引导保护气体(SG)的设备(100)。设备包括用于将保护气体(SG)引入到粉末床(PB)的气体入口(14)和用于除去保护气体(SG)的固定的气体出口(12),其中,设备(100)进一步被配置为在粉末床(PB)上方层状地引导保护气体(SG),并且其中,设备(100)还具有出气口(10),该出气口(10)被布置为可以平行于粉末床平面移动,以用于在部件的增材制造期间从构建室(BR)抽吸出保护气体。本发明还涉及一种用于引导保护气流的方法。
137
US202023578A1
HOMOGENIZATION OF THE ENERGY INPUT
Publication/Patent Number: US202023578A1 Publication Date: 2020-01-23 Application Number: 20/181,649 Filing Date: 2018-04-24 Inventor: Edelhäuser, Sebastian   Hofbauer, Peter   Schmitt, Christopher   Hümmeler, Ludger   Assignee: EOS GmbH Electro Optical Systems   IPC: B29C64/153 Abstract: A method for providing control data for a generative layer construction device has a first step of accessing a data record which, at least for a partial region of an object cross section, specifies in which temporal sequence an energy beam bundle is to be moved in scanning lines over the places of this partial region to scan the buildup material. In a second step, the data record is changed such that in at least one of the layers for the respective partial region of an object cross-section, a check is carried out to determine whether the scan time required to scan the buildup material along a scanning line falls below a predefined minimum duration tmin and either a lower energy density of the energy beam bundle during scanning of the buildup material along this scanning line is specified and/or a wait time is specified before the energy beam bundle is moved along a further scanning line.
138
US2020047410A1
ADDITIVE PRODUCTION PROCESS USING A MIXED THERMOPLASTIC CONSTRUCTION MATERIAL
Publication/Patent Number: US2020047410A1 Publication Date: 2020-02-13 Application Number: 16/605,977 Filing Date: 2018-04-23 Inventor: Achten, Dirk   BÜsgen, Thomas   Mettmann, Bettina   Kessler, Michael   Reichert, Peter   Wagner, Roland   Assignee: COVESTRO DEUTSCHLAND AG   IPC: B29C64/153 Abstract: The present invention relates to a method for producing an object, comprising the step of producing the object according to an additive production process from a construction material, wherein the construction material comprises a mixture of a plurality of powdery thermoplastic materials which are different from one another due to at least one mechanical property and at least one thermoplastic material is a thermoplastic polyurethane material. The invention also relates to an object obtained according to said method.
139
US2020230876A1
SINTER POWDER CONTAINING A MINERAL FLAME RETARDANT FOR PRODUCING MOULDED BODIES
Publication/Patent Number: US2020230876A1 Publication Date: 2020-07-23 Application Number: 16/652,839 Filing Date: 2018-10-01 Inventor: Gabriel, Claus   Herle, Natalie Beatrice Janine   Meier, Thomas   Roth, Michael   Assignee: BASF SE   IPC: B29C64/153 Abstract: The present invention relates to a process for producing a shaped body, wherein, in step i), a layer of a sinter powder (SP) comprising at least one mineral flame retardant inter alia is provided and, in step ii), the layer provided in step i) is exposed. The present invention further relates to a process for producing a sinter powder (SP) and to a sinter powder (SP) obtainable by this process. The present invention also relates to the use of the sinter powder (SP) in a sintering process and to shaped bodies obtainable by the process of the invention.
140
US2020114574A1
RESIN POWDER AND METHOD OF MANUFACTURING SOLID FREEFORM FABRICATION OBJECT
Publication/Patent Number: US2020114574A1 Publication Date: 2020-04-16 Application Number: 16/563,590 Filing Date: 2019-09-06 Inventor: Kamoda, Kiichi   Saito, Akira   Aman, Yasutomo   Iwatsuki, Hitoshi   Assignee: KAMODA, Kiichi   SAITO, Akira   AMAN, Yasutomo   IWATSUKI, Hitoshi   IPC: B29C64/153 Abstract: A resin powder contains a resin contains columnar particles, wherein the proportion of the columnar particles having a ratio (L/W) of less than 1 is 50 percent by volume or more in the total volume of the resin powder, where W represents the width in the radial direction of the columnar particles and L represents the length in the axis direction of the columnar particles.