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    A METHOD FOR PRODUCING CROSS-LINKED RUBBER
    1.
    发明公开
    A METHOD FOR PRODUCING CROSS-LINKED RUBBER 审中-公开

    公开(公告)号：US20240209163A1

    公开(公告)日：2024-06-27

    申请号：US18555864

    申请日：2021-11-16

    申请人： BRIDGESTONE CORPORATION

    发明人： Yasuo OHSAWA ,  Norihiko KAGA

    IPC分类号： C08J3/24 ,  B29C35/04 ,  B29C64/147 ,  B29C64/30 ,  B29K7/00 ,  B29K105/24 ,  B29K507/04 ,  B33Y40/20

    CPC分类号： C08J3/247 ,  B29C35/041 ,  B29C64/30 ,  B33Y40/20 ,  C08J3/248 ,  B29C64/147 ,  B29K2007/00 ,  B29K2105/24 ,  B29K2507/04 ,  C08J2307/00

    摘要： This disclosure provides a method for producing a cross-linked rubber for the additively fabricated object that can be easily produced with good dimensional accuracy and simplicity, even using a general-purpose uncross-linked rubber composition. This producing method is a method for producing a cross-linked rubber, in which an additively fabricated object of uncross-linked rubber is heated in a liquid to produce an additively fabricated object of cross-linked rubber, wherein the method includes, heating the additively fabricated object of uncross-linked rubber within the range not exceeding the saturated vapor pressure by controlling the temperature and pressure of the liquid, obtaining the equivalent cross-linking amounts at regular intervals from the start of heating using the following Formula (1), accumulating them and calculating the cumulative cross-linking degree, and stopping the cross-linking reaction when the cross-linking degree of the additively fabricated object of cross-linked rubber reaches the required cross-linking degree.







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    Selective deposition-based additive manufacturing device and method of printing 3D parts with semi-crystalline materials
    2.
    发明授权
    Selective deposition-based additive manufacturing device and method of printing 3D parts with semi-crystalline materials 有权

    公开(公告)号：US11993006B2

    公开(公告)日：2024-05-28

    申请号：US17615366

    申请日：2020-05-29

    申请人： Evolve Additive Solutions, Inc.

    发明人： J. Samuel Batchelder ,  Eric Carl Stelter

    IPC分类号： B33Y10/00 ,  B29C64/147 ,  B29C64/218 ,  B29C64/295 ,  B29C64/321 ,  B33Y30/00 ,  B33Y40/20 ,  B33Y70/00

    CPC分类号： B29C64/147 ,  B29C64/218 ,  B29C64/295 ,  B29C64/321 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/20 ,  B33Y70/00

    摘要： A selective deposition-based additive manufacturing system capable of building a three-dimensional (3D) part utilizing a semi-crystalline polymeric material includes at least one electrostatographic engine configured to develop one or more layers of particles of semi-crystalline polymeric material corresponding to one or more slices of a 3D model of a 3D part. The system includes a transfer medium configured to receive the one or more layers of particles of the semi-crystalline polymeric material on a front side from the at least one electrostatographic engine and to move the one or more layers away from the electrostatographic engine and a platen configured to carry the 3D part or support being printed. The system includes a gantry coupled to the platen and configured to move the platen into registration with the one or more layers, and a heater configured to heat a top surface of the 3D part being printed to a transfuse temperature. The system includes a layer transfer assembly having a roller contacting a back side of the transfer medium and a driver configured to cause the layer to transfer from the front side of the transfer medium to the heated top surface of the part. The system includes a cooler configured to cool the heated semi-crystalline polymeric material at a maximum rate of at least 20° C. per second such that the semi-crystalline material is in a super-cooled state wherein the semi-crystalline polymeric material does not completely initially crystallize.

    Method of producing patterns, molds, and related products
    6.
    发明授权
    Method of producing patterns, molds, and related products 有权

    公开(公告)号：US11701818B2

    公开(公告)日：2023-07-18

    申请号：US17661202

    申请日：2022-04-28

    申请人： Thermwood Corporation

    发明人： Kenneth J. Susnjara

    IPC分类号： B29C64/147 ,  B29C64/30 ,  B33Y40/20 ,  B33Y10/00 ,  B29K101/10

    CPC分类号： B29C64/147 ,  B29C64/30 ,  B33Y10/00 ,  B33Y40/20 ,  B29K2101/10

    摘要： An additive manufacturing method includes removing material from a sheet to create a plurality of individual layer segments formed, placing at least two first layer segments adjacent to each other at the same height to form a first layer having a hollow interior, the at least two first layer segments defining a first portion of an exterior of a part, and placing at least one second layer segment above the at least two first layer segments to form a second layer having a hollow interior, the at least one second layer segment defining a second portion of the exterior of the part. The method includes attaching the first layer to the second layer and removing material from the first layer and from the second layer to form the part having a continuous surface that extends along the first layer and the second layer.

    HEIGHT CONTROL IN SELECTIVE DEPOSITION BASED ADDITIVE MANUFACTURING OF PARTS
    8.
    发明申请
    HEIGHT CONTROL IN SELECTIVE DEPOSITION BASED ADDITIVE MANUFACTURING OF PARTS 审中-公开

    公开(公告)号：US20190204769A1

    公开(公告)日：2019-07-04

    申请号：US16232585

    申请日：2018-12-26

    申请人： Evolve Additive Solutions, Inc.

    发明人： Andrew Rice ,  Zeiter Farah

    IPC分类号： G03G15/22 ,  G03G15/00 ,  B29C64/147 ,  B29C64/393

    CPC分类号： G03G15/224 ,  B29C64/147 ,  B29C64/393 ,  G03G15/50

    摘要： A method of operating a selective deposition based additive manufacturing system capable of producing a three-dimensional (3D) part includes developing a first layer using at least one electrostatography engine, transfusing the first layer on a part build surface using a transfusion assembly to build the 3D part in a layer-by-layer manner on a part build platform such that a portion of the first layer further builds a fiducial structure in a layer-by-layer manner on the part build platform, measuring a height of the fiducial structure, computing an error between the measured height of the fiducial structure and a target height, adjusting a parameter of the at least one electrostatography engine as a function of the error, developing a second layer using the at least one electrostatography engine in accordance with the adjusted parameter, and transfusing the second layer using the transfusion assembly to further build the 3D part.