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公开(公告)号：US12007687B2
公开(公告)日：2024-06-11
申请号：US18324452
申请日：2023-05-26
IPC分类号： B29C64/00 , B22F10/00 , B22F10/85 , B22F12/00 , B22F12/82 , B29C64/10 , B29C64/106 , B29C64/176 , B29C64/182 , B29C64/20 , B29C64/205 , B29C64/227 , B29C64/245 , B29C64/25 , B29C64/255 , B29C64/30 , B29C64/307 , B29C64/386 , B29C64/393 , B29C64/40 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y40/10 , B33Y40/20 , B33Y50/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G03F7/00
CPC分类号： G03F7/001 , B22F10/00 , B22F10/85 , B22F12/00 , B22F12/82 , B29C64/00 , B29C64/10 , B29C64/106 , B29C64/176 , B29C64/182 , B29C64/20 , B29C64/205 , B29C64/227 , B29C64/245 , B29C64/25 , B29C64/255 , B29C64/30 , B29C64/307 , B29C64/386 , B29C64/393 , B29C64/40 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y40/10 , B33Y40/20 , B33Y50/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G03F7/00
摘要： Described are systems and methods for multi-material printing. The systems and methods can utilize a stereolithographic printing device, a moving stage, and a microfluidic device. The microfluidic device can include a plurality of reservoirs, each reservoir housing a different ink for printing, and a microfluidic chip. The microfluidic chip can include a chamber that comprises a plurality of inlets, a printing region, and one or more outlets as well as an elastic membrane.
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公开(公告)号：US11911964B2
公开(公告)日：2024-02-27
申请号：US15337779
申请日：2016-10-28
发明人： James A. DeMuth , Erik Toomre , Francis L. Leard , Kourosh Kamshad , Heiner Fees , Eugene Berdichevsky
IPC分类号： B29C64/264 , B29C64/153 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , B23K26/12 , B23K26/142 , B23K26/144 , B23K26/70 , B29C64/386 , B29C64/268 , B22F3/24 , B23K15/00 , B23K15/06 , B23K26/03 , B23K26/08 , B23K26/16 , B23K26/36 , B23K37/04 , B25J11/00 , G02B7/14 , G02B7/16 , G02B7/182 , G02B15/04 , G02B15/10 , G02B19/00 , G02F1/01 , G02F1/1333 , G02F1/135 , G05B17/02 , H01S5/40 , B22F10/00 , H01S5/00 , B22F12/33 , B22F12/44 , B22F12/70 , B22F12/00 , G02B27/10 , B22F10/28 , B22F10/70 , B22F12/30 , B22F12/88 , B22F12/90 , B22F10/34 , B22F10/36 , G02B26/08 , B23K26/00 , B23K26/082 , B23K101/00 , B23K101/24 , B23K103/00 , B23K101/02 , B29K105/00 , G02B27/28 , G07C3/14 , B22F10/73 , B22F12/17 , B22F12/20 , B22F12/41 , B22F12/45 , B22F12/53 , B22F10/47 , B22F10/32 , B22F10/50 , B22F10/64 , B22F10/10 , B33Y30/00 , B23K26/342 , B28B1/00 , G02B27/09 , G02B27/14 , G02B27/00
CPC分类号： B29C64/264 , B22F3/24 , B22F10/00 , B22F10/28 , B22F10/34 , B22F10/36 , B22F10/70 , B22F12/00 , B22F12/226 , B22F12/30 , B22F12/33 , B22F12/38 , B22F12/44 , B22F12/70 , B22F12/88 , B22F12/90 , B23K15/002 , B23K15/0006 , B23K15/0013 , B23K15/0026 , B23K15/0093 , B23K15/06 , B23K26/03 , B23K26/032 , B23K26/083 , B23K26/0846 , B23K26/123 , B23K26/127 , B23K26/1224 , B23K26/142 , B23K26/144 , B23K26/16 , B23K26/36 , B23K26/702 , B23K26/703 , B23K26/704 , B23K37/0426 , B25J11/00 , B29C64/153 , B29C64/268 , B29C64/386 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G02B7/14 , G02B7/16 , G02B7/1827 , G02B15/04 , G02B15/10 , G02B19/0028 , G02B19/0047 , G02B26/0816 , G02B27/108 , G02F1/0136 , G02F1/135 , G02F1/133362 , G05B17/02 , H01S5/005 , H01S5/4012 , B22F10/10 , B22F10/32 , B22F10/47 , B22F10/50 , B22F10/64 , B22F10/73 , B22F12/17 , B22F12/20 , B22F12/222 , B22F12/41 , B22F12/45 , B22F12/53 , B22F2003/247 , B22F2003/248 , B22F2998/10 , B22F2999/00 , B23K15/0086 , B23K26/0006 , B23K26/082 , B23K26/342 , B23K37/0408 , B23K2101/001 , B23K2101/008 , B23K2101/02 , B23K2101/24 , B23K2103/00 , B23K2103/42 , B23K2103/50 , B28B1/001 , B29K2105/251 , B33Y30/00 , G02B27/0068 , G02B27/0905 , G02B27/141 , G02B27/283 , G02B27/286 , G05B2219/49023 , G07C3/146 , Y02P10/25 , Y02P80/40 , B22F2999/00 , B22F10/00 , B22F2203/03 , B22F2999/00 , B22F12/41 , B22F2203/03 , B22F2999/00 , B22F10/20 , B22F2203/03
摘要： A method and an apparatus for collecting a powdered material after a print job in powder bed fusion additive manufacturing may involve a build platform supporting a powder bed capable of tilting, inverting, and shaking to separate the powder bed substantially from the build platform in a hopper. The powdered material may be collected in a hopper for reuse in later print jobs. The powder collecting process may be automated to increase efficiency of powder bed fusion additive manufacturing.
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公开(公告)号：US20230359117A1
公开(公告)日：2023-11-09
申请号：US18324452
申请日：2023-05-26
IPC分类号： G03F7/00 , B33Y80/00 , B29C64/106 , B33Y70/00 , B29C64/00 , B29C64/205 , B29C64/386 , B33Y40/20 , B29C64/176 , B33Y10/00 , B33Y40/10 , B29C64/245 , B29C64/25 , B33Y50/00 , B29C64/40 , B22F12/00 , B29C64/393 , B29C64/227 , B33Y40/00 , B22F10/00 , B29C64/255 , B33Y50/02 , B22F10/85 , B29C64/20 , B29C64/10 , B33Y30/00 , B29C64/30 , B29C64/307 , B33Y99/00 , B29C64/182 , B22F12/82
CPC分类号： G03F7/001 , B33Y80/00 , B29C64/106 , B33Y70/00 , B29C64/00 , G03F7/00 , B29C64/205 , B29C64/386 , B33Y40/20 , B29C64/176 , B33Y10/00 , B33Y40/10 , B29C64/245 , B29C64/25 , B33Y50/00 , B29C64/40 , B22F12/00 , B29C64/393 , B29C64/227 , B33Y40/00 , B22F10/00 , B29C64/255 , B33Y50/02 , B22F10/85 , B29C64/20 , B29C64/10 , B33Y30/00 , B29C64/30 , B29C64/307 , B33Y99/00 , B29C64/182 , B22F12/82
摘要： Described are systems and methods for multi-material printing. The systems and methods can utilize a stereolithographic printing device, a moving stage, and a microfluidic device. The microfluidic device can include a plurality of reservoirs, each reservoir housing a different ink for printing, and a microfluidic chip. The microfluidic chip can include a chamber that comprises a plurality of inlets, a printing region, and one or more outlets as well as an elastic membrane.
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公开(公告)号：US20230356466A1
公开(公告)日：2023-11-09
申请号：US18353452
申请日：2023-07-17
发明人： James A. DeMuth , Erik Toomre , Francis L. Leard , Kourosh Kamshad , Heiner Fees , Eugene Berdichevsky
IPC分类号： B29C64/264 , B29C64/153 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , B23K26/12 , B23K26/142 , B23K26/144 , B23K26/70 , B29C64/386 , B29C64/268 , B22F3/24 , B23K15/00 , B23K15/06 , B23K26/03 , B23K26/08 , B23K26/16 , B23K26/36 , B23K37/04 , B25J11/00 , G02B7/14 , G02B7/16 , G02B7/182 , G02B15/04 , G02B15/10 , G02B19/00 , G02F1/01 , G02F1/1333 , G02F1/135 , G05B17/02 , H01S5/40 , B22F10/00 , H01S5/00 , B22F12/33 , B22F12/44 , B22F12/70 , B22F12/00 , G02B27/10 , B22F10/28 , B22F10/70 , B22F12/30 , B22F12/88 , B22F12/90 , B22F10/34 , B22F10/36 , G02B26/08
CPC分类号： B29C64/264 , B29C64/153 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , B23K26/1224 , B23K26/142 , B23K26/144 , B23K26/702 , B23K26/703 , B23K26/704 , B29C64/386 , B29C64/268 , B22F3/24 , B23K15/0006 , B23K15/0013 , B23K15/002 , B23K15/0026 , B23K15/0093 , B23K15/06 , B23K26/03 , B23K26/032 , B23K26/083 , B23K26/0846 , B23K26/123 , B23K26/127 , B23K26/16 , B23K26/36 , B23K37/0426 , B25J11/00 , G02B7/14 , G02B7/16 , G02B7/1827 , G02B15/04 , G02B15/10 , G02B19/0028 , G02B19/0047 , G02F1/0136 , G02F1/133362 , G02F1/135 , G05B17/02 , H01S5/4012 , B22F10/00 , H01S5/005 , B22F12/33 , B22F12/44 , B22F12/70 , B22F12/38 , G02B27/108 , B22F10/28 , B22F10/70 , B22F12/226 , B22F12/30 , B22F12/88 , B22F12/90 , B22F10/34 , B22F10/36 , B22F12/00 , G02B26/0816 , B23K15/0086 , B23K26/0006
摘要： A method of additive manufacture is disclosed. The method may include restricting, by an enclosure, an exchange of gaseous matter between an interior of the enclosure and an exterior of the enclosure. The method may further include running multiple machines within the enclosure. Each of the machines may execute its own process of additive manufacture. While the machines are running, a gas management system may maintain gaseous oxygen within the enclosure at or below a limiting oxygen concentration for the interior.
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公开(公告)号：US11781101B2
公开(公告)日：2023-10-10
申请号：US16674815
申请日：2019-11-05
IPC分类号： B29C64/00 , C12M1/12 , C12N5/00 , A61K9/48 , B33Y30/00 , C12N5/071 , B33Y99/00 , B22F12/00 , B29C64/255 , B29C64/386 , B33Y40/00 , B22F12/82 , B29C64/40 , B29C64/182 , B33Y50/02 , B29C64/20 , B29C64/227 , B33Y40/10 , B29C64/25 , B22F10/85 , B29C64/205 , B29C64/393 , B29C64/10 , B33Y50/00 , B29C64/30 , B29C64/245 , B29C64/176 , B29C64/307 , B33Y40/20 , B33Y10/00 , B22F10/00 , G01N33/483 , B33Y80/00 , B33Y70/00
CPC分类号： C12M25/14 , A61K9/4825 , A61K9/4833 , A61K9/4866 , B22F10/00 , B22F10/85 , B22F12/00 , B22F12/82 , B29C64/00 , B29C64/10 , B29C64/176 , B29C64/182 , B29C64/20 , B29C64/205 , B29C64/227 , B29C64/245 , B29C64/25 , B29C64/255 , B29C64/30 , B29C64/307 , B29C64/386 , B29C64/393 , B29C64/40 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y40/10 , B33Y40/20 , B33Y50/00 , B33Y50/02 , B33Y99/00 , C12N5/0068 , C12N5/0691 , B33Y70/00 , B33Y80/00 , G01N33/4833
摘要： A 3D-printed in vitro model biological microenvironment in examples discussed below may have one or more of the following features: (a) a gel matrix 3D-printed scaffold, wherein the gel matrix comprises a chemical composition configured to culture a first type of live cells, (b) a target chemical disposed at one or more locations within the gel matrix, the target chemical forming a chemical depot from which a chemical gradient is created within the gel matrix, (c) a conduit disposed within the gel matrix and defining a lumen comprising a second type of live cells, wherein the conduit is configured to enable at least some of the first type of live cells to migrate through the conduit and facilitate flow of at least: some of the live cells to an outlet of the conduit, or enable introduction of at least one of other cells, Achemical mediators, or drugs into the 3D-printed microenvironment.
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公开(公告)号：US20230302729A1
公开(公告)日：2023-09-28
申请号：US18317369
申请日：2023-05-15
发明人： James A. DeMuth , Erik Toomre , Francis L. Leard , Kourosh Kamshard , Heiner Fees , Eugene Berdichevsky
IPC分类号： B29C64/264 , B29C64/153 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , B23K26/12 , B23K26/142 , B23K26/144 , B23K26/70 , B29C64/386 , B29C64/268 , B22F3/24 , B23K15/00 , B23K15/06 , B23K26/03 , B23K26/08 , B23K26/16 , B23K26/36 , B23K37/04 , B25J11/00 , G02B7/14 , G02B7/16 , G02B7/182 , G02B15/04 , G02B15/10 , G02B19/00 , G02F1/01 , G02F1/1333 , G02F1/135 , G05B17/02 , H01S5/40 , B22F10/00 , H01S5/00 , B22F12/33 , B22F12/44 , B22F12/70 , B22F12/00 , G02B27/10 , B22F10/28 , B22F10/70 , B22F12/30 , B22F12/88 , B22F12/90 , B22F10/34 , B22F10/36 , G02B26/08
CPC分类号： B29C64/264 , B29C64/153 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , B23K26/1224 , B23K26/142 , B23K26/144 , B23K26/702 , B23K26/703 , B23K26/704 , B29C64/386 , B29C64/268 , B22F3/24 , B23K15/0006 , B23K15/0013 , B23K15/002 , B23K15/0026 , B23K15/0093 , B23K15/06 , B23K26/03 , B23K26/032 , B23K26/083 , B23K26/0846 , B23K26/123 , B23K26/127 , B23K26/16 , B23K26/36 , B23K37/0426 , B25J11/00 , G02B7/14 , G02B7/16 , G02B7/1827 , G02B15/04 , G02B15/10 , G02B19/0028 , G02B19/0047 , G02F1/0136 , G02F1/133362 , G02F1/135 , G05B17/02 , H01S5/4012 , B22F10/00 , H01S5/005 , B22F12/33 , B22F12/44 , B22F12/70 , B22F12/38 , G02B27/108 , B22F10/28 , B22F10/70 , B22F12/226 , B22F12/30 , B22F12/88 , B22F12/90 , B22F10/34 , B22F10/36 , B22F12/00 , G02B26/0816 , B23K15/0086 , B23K26/0006
摘要： A manipulator device such as a robot arm that is capable of increasing manufacturing throughput for additively manufactured parts, and allows for the manipulation of parts that would be difficult or impossible for a human to move is described. The manipulator can grasp various permanent or temporary additively manufactured manipulation points on a part to enable repositioning or maneuvering of the part.
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公开(公告)号：US11674207B2
公开(公告)日：2023-06-13
申请号：US17455118
申请日：2021-11-16
发明人： Robert Swartz , John Bayldon , Buckley Crist , Eugene Gore
IPC分类号： C22C47/02 , C22C47/06 , C22C47/20 , C22C49/14 , B33Y30/00 , B33Y40/00 , B29C64/194 , B29C64/205 , B29C64/165 , B22F10/10 , B22F12/00 , B22F10/66 , B22F7/04 , B29C67/00 , B33Y10/00 , B33Y80/00 , B29C64/112 , B22F10/73 , B22F12/53 , B22F10/62 , B22F3/02 , B22F3/10 , B22F7/06 , B22F7/08
CPC分类号： C22C47/025 , B22F7/04 , B22F10/10 , B22F10/66 , B22F12/00 , B29C64/165 , B29C64/194 , B29C64/205 , B29C67/00 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y80/00 , C22C47/062 , C22C47/20 , C22C49/14 , B22F3/02 , B22F3/1035 , B22F3/1039 , B22F7/062 , B22F7/08 , B22F10/62 , B22F10/73 , B22F12/53 , B22F2007/045 , B22F2201/01 , B22F2998/10 , B22F2999/00 , B29C64/112 , Y02P10/25 , B22F2998/10 , B22F10/10 , B22F3/02 , B22F3/1035 , C22C47/20 , B22F2998/10 , B22F10/10 , B22F3/02 , B22F3/1039 , C22C47/20 , B22F2999/00 , B22F10/10 , B22F7/08 , B22F2201/01 , B22F2999/00 , B22F10/10 , B22F7/062 , B22F2201/01
摘要： A method, product, apparatus, and article of manufacture for the application of the Composite Based Additive Manufacturing (CBAM) method to produce objects in metal, and in metal fiber hybrids or composites. The approach has many advantages, including the ability to produce more complex geometries than conventional methods such as milling and casting, improved material properties, higher production rates and the elimination of complex fixturing, complex tool paths and tool changes and, for casting, the need for patterns and tools. The approach works by slicing a 3D model, selectively printing a fluid onto a sheet of substrate material for each layer based on the model, flooding onto the substrate a powdered metal to which the fluid adheres in printed areas, clamping and aligning a stack of coated sheets, heating the stacked sheets to melt the powdered metal and fuse the layers of substrate, and removing excess powder and unfused substrate.
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公开(公告)号：US20240342988A1
公开(公告)日：2024-10-17
申请号：US18753760
申请日：2024-06-25
发明人： James A. DeMuth , Erik Toomre , Francis L. Leard , Kourosh Kamshad , Heiner Fees , Eugene Berdichevsky
IPC分类号： B29C64/264 , B22F3/24 , B22F10/00 , B22F10/10 , B22F10/28 , B22F10/32 , B22F10/34 , B22F10/36 , B22F10/47 , B22F10/50 , B22F10/64 , B22F10/70 , B22F10/73 , B22F12/00 , B22F12/17 , B22F12/20 , B22F12/30 , B22F12/33 , B22F12/41 , B22F12/44 , B22F12/45 , B22F12/53 , B22F12/70 , B22F12/88 , B22F12/90 , B23K15/00 , B23K15/06 , B23K26/00 , B23K26/03 , B23K26/08 , B23K26/082 , B23K26/12 , B23K26/142 , B23K26/144 , B23K26/16 , B23K26/342 , B23K26/36 , B23K26/70 , B23K37/04 , B23K101/00 , B23K101/02 , B23K101/24 , B23K103/00 , B25J11/00 , B28B1/00 , B29C64/153 , B29C64/268 , B29C64/386 , B29K105/00 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G02B7/14 , G02B7/16 , G02B7/182 , G02B15/04 , G02B15/10 , G02B19/00 , G02B26/08 , G02B27/00 , G02B27/09 , G02B27/10 , G02B27/14 , G02B27/28 , G02F1/01 , G02F1/1333 , G02F1/135 , G05B17/02 , G07C3/14 , H01S5/00 , H01S5/40
CPC分类号： B29C64/264 , B22F3/24 , B22F10/00 , B22F10/28 , B22F10/34 , B22F10/36 , B22F10/70 , B22F12/00 , B22F12/226 , B22F12/30 , B22F12/33 , B22F12/38 , B22F12/44 , B22F12/70 , B22F12/88 , B22F12/90 , B23K15/0006 , B23K15/0013 , B23K15/002 , B23K15/0026 , B23K15/0093 , B23K15/06 , B23K26/03 , B23K26/032 , B23K26/083 , B23K26/0846 , B23K26/1224 , B23K26/123 , B23K26/127 , B23K26/142 , B23K26/144 , B23K26/16 , B23K26/36 , B23K26/702 , B23K26/703 , B23K26/704 , B23K37/0426 , B25J11/00 , B29C64/153 , B29C64/268 , B29C64/386 , B33Y10/00 , B33Y40/00 , B33Y50/02 , B33Y70/00 , B33Y80/00 , B33Y99/00 , G02B7/14 , G02B7/16 , G02B7/1827 , G02B15/04 , G02B15/10 , G02B19/0028 , G02B19/0047 , G02B26/0816 , G02B27/108 , G02F1/0136 , G02F1/133362 , G02F1/135 , G05B17/02 , H01S5/005 , H01S5/4012 , B22F2003/247 , B22F2003/248 , B22F10/10 , B22F10/32 , B22F10/47 , B22F10/50 , B22F10/64 , B22F10/73 , B22F12/17 , B22F12/20 , B22F12/222 , B22F12/41 , B22F12/45 , B22F12/53 , B22F2998/10 , B22F2999/00 , B23K15/0086 , B23K26/0006 , B23K26/082 , B23K26/342 , B23K37/0408 , B23K2101/001 , B23K2101/008 , B23K2101/02 , B23K2101/24 , B23K2103/00 , B23K2103/42 , B23K2103/50 , B28B1/001 , B29K2105/251 , B33Y30/00 , G02B27/0068 , G02B27/0905 , G02B27/141 , G02B27/283 , G02B27/286 , G05B2219/49023 , G07C3/146 , Y02P10/25 , Y02P80/40
摘要： A method of additive manufacture suitable for large and high resolution structures is disclosed. The method may include sequentially advancing each portion of a continuous part in the longitudinal direction from a first zone to a second zone. In the first zone, selected granules of a granular material may be amalgamated. In the second zone, unamalgamated granules of the granular material may be removed. The method may further include advancing a first portion of the continuous part from the second zone to a third zone while (1) a last portion of the continuous part is formed within the first zone and (2) the first portion is maintained in the same position in the lateral and transverse directions that the first portion occupied within the first zone and the second zone.
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公开(公告)号：US11993831B1
公开(公告)日：2024-05-28
申请号：US17127796
申请日：2020-12-18
IPC分类号： C22C21/00 , B22F10/10 , B22F10/20 , B22F10/31 , B22F10/36 , B22F12/00 , B22F12/40 , C22C1/04 , C22C5/06
CPC分类号： C22C21/00 , B22F10/10 , B22F10/20 , B22F10/31 , B22F10/36 , B22F12/00 , B22F12/40 , C22C1/0416 , C22C5/06 , B22F2203/00 , B22F2301/00 , C22C2202/00
摘要： Printable high-strength alloys, including aluminum alloys can be produced in an additive manufacturing process. Such alloys can include aluminum-silver (“Al—Ag”) alloys that are produced by a laser melting process using a powder bed fusion. The results of the process and the characteristics of the produced alloy can be determined by controlling at least an energy beam power, an energy beam speed, and/or an energy beam size. The operational parameters can be controlled with high precision to produce a printable, high-strength aluminum alloy.
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10.发明授权公开(公告)号：US11980943B2
公开(公告)日：2024-05-14
申请号：US17382850
申请日：2021-07-22
IPC分类号： B22F5/04 , B22F3/00 , B22F7/06 , B22F10/28 , B22F12/57 , B22F12/58 , B29C64/153 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y40/10 , B22F10/73 , B22F12/63
CPC分类号： B22F5/04 , B22F3/003 , B22F7/06 , B22F10/28 , B22F12/57 , B22F12/58 , B29C64/153 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y40/10 , B22F10/73 , B22F12/63 , B22F2203/15 , B22F2207/01 , B22F2301/15 , B22F2303/405 , B22F2998/10 , B22F2999/00 , Y02P10/25 , B22F2999/00 , B22F12/57 , B22F1/00 , B22F2999/00 , B22F10/28 , B22F2207/01 , B22F2999/00 , B22F12/58 , B22F2203/15 , B22F2999/00 , B22F12/00 , B22F1/09
摘要： A device for fabricating a three-dimensional part by selectively melting a powder bed, the device including a first tank for containing a first powder and provided with a first powder dispenser valve, a second tank for containing a second different powder and provided with a second powder dispenser valve, a first and a second monitoring device for monitoring the quantity of first powder delivered by the first valve and the quantity of second powder delivered by the second valve, a mixer chamber in communication with the first and second valves and including a third powder dispenser valve, and a mixer for mixing the powder particles in the chamber, a support for receiving the powder delivered by the third valve and on which the parts is to be fabricated, a powder spreader for spreading powder on the support, and a heater member for locally melting the powder spread on the support.
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