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    LOCALIZED HEATING TO IMPROVE INTERLAYER BONDING IN 3D PRINTING
    1.
    发明申请
    LOCALIZED HEATING TO IMPROVE INTERLAYER BONDING IN 3D PRINTING 审中-公开
    局部加热改善3D打印中的层间粘合

    公开(公告)号：WO2017210490A1

    公开(公告)日：2017-12-07

    申请号：PCT/US2017/035551

    申请日：2017-06-01

    Applicant: AREVO, INC.

    Inventor： REESE, Riley ,  BHEDA, Hemant ,  SHAH, Paren

    IPC: B29C67/00 ,  B33Y30/00 ,  B33Y10/00

    Abstract: The present disclosure provides methods for printing at least a portion of a three- dimensional (3D) object, comprising receiving, in computer memory, a model of the 3D object. Next, at least one filament material from a source of the at least one filament material may be directed towards a substrate that is configured to support the 3D object, thereby depositing a first layer corresponding to a portion of the 3D object adjacent to the substrate. A second layer corresponding to at least a portion of the 3D object may be deposited. The first and second layer may be deposited in accordance with the model of the 3D object. At least a first energy beam from at least one energy source may be used to selectively melt at least a portion of the first layer and/or the second layer, thereby forming at least a portion of the 3D object.

    Abstract translation: 本公开提供了用于打印三维（3D）对象的至少一部分的方法，包括在计算机存储器中接收3D对象的模型。 接下来，来自至少一种细丝材料的来源的至少一种细丝材料可被引导朝向被配置为支撑3D对象的衬底，由此沉积对应于邻近衬底的3D对象的一部分的第一层。 可以沉积对应于3D对象的至少一部分的第二层。 第一和第二层可以根据3D对象的模型进行沉积。 可以使用来自至少一个能量源的至少第一能量束来选择性地熔化第一层和/或第二层的至少一部分，由此形成3D物体的至少一部分。

    CROSS-LINKABLE THERMOPLASTIC POLYMERIC MATERIALS FOR USE IN ADDITIVE MANUFACTURING
    2.
    发明申请
    CROSS-LINKABLE THERMOPLASTIC POLYMERIC MATERIALS FOR USE IN ADDITIVE MANUFACTURING 审中-公开

    公开(公告)号：WO2019182998A1

    公开(公告)日：2019-09-26

    申请号：PCT/US2019/022815

    申请日：2019-03-18

    Applicant: AREVO, INC.

    Inventor： BHATT, Sanjiv ,  BHEDA, Hemant

    IPC: B29C64/118 ,  B29C64/393 ,  B29C64/30 ,  B33Y40/00 ,  B33Y50/02 ,  B33Y70/00 ,  B33Y10/00 ,  B29K105/08 ,  B29K101/12

    Abstract: The present disclosure provides methods and systems for printing at least a portion of a three-dimensional (3D) object. In an example, at least one feedstock may be directed from a source of the at least one feedstock towards a base. The at least one feedstock may comprise a polymeric material and a cross-linking agent. The cross-linking agent may be in an inactive state. Next, first layer of the at least one feedstock may be deposited adjacent to a second layer previously deposited adjacent to the base. The first layer may correspond to at least a portion of the 3D object. During or subsequent to deposition adjacent to the second layer, the cross-linking agent in the first layer may be in an active state to induce cross-linking between the polymeric material in the first layer and a polymeric material in the second layer.

    SYSTEMS AND METHODS FOR STRUCTURALLY ANALYZING AND PRINTING PARTS
    5.
    发明申请
    SYSTEMS AND METHODS FOR STRUCTURALLY ANALYZING AND PRINTING PARTS 审中-公开
    用于结构分析和印刷零件的系统和方法

    公开(公告)号：WO2018031594A1

    公开(公告)日：2018-02-15

    申请号：PCT/US2017/045986

    申请日：2017-08-08

    Applicant: AREVO, INC.

    Inventor： WOYTOWITZ, Peter ,  MANTHA, Chandrashekar ,  MONDESIR, Wiener ,  BHEDA, Hemant

    IPC: B29C64/393 ,  B29C64/118 ,  B33Y10/00 ,  B33Y50/02

    Abstract: The present disclosure provides methods and systems for performing analysis on a part for printing. The method may comprise receiving, in computer memory, a computer model of the part and partitioning the computer model of the part into at least (i) a first region comprising one or more voids and (ii) a second region that is filled with a representation of a material for forming the part, to yield a partitioned computer model. At least a first mesh may be generated in the first region and at least a second mesh may be generated in the second region to yield a mesh array in the partitioned computer model. The mesh array, including the first mesh and the second mesh, may be to determine one or more properties of the part. The mesh array may be used to generate a print head toolpath usable to print the part.

    Abstract translation: 本公开提供了用于对用于打印的部件执行分析的方法和系统。 该方法可以包括在计算机存储器中接收该部件的计算机模型并且将该部件的计算机模型至少划分为（i）包括一个或多个空隙的第一区域和（ii）填充有 用于形成部件的材料的表示，以产生分区的计算机模型。 可以在第一区域中生成至少第一网格，并且可以在第二区域中生成至少第二网格以在分区计算机模型中生成网格阵列。 包括第一网格和第二网格的网格阵列可以用于确定部件的一个或多个属性。 网格阵列可用于生成可用于打印零件的打印头刀具路径。

    STRUCTURAL SEWING AND OVERMOLDING
    6.
    发明申请
    STRUCTURAL SEWING AND OVERMOLDING 审中-公开

    公开(公告)号：WO2019139838A1

    公开(公告)日：2019-07-18

    申请号：PCT/US2019/012461

    申请日：2019-01-07

    Applicant: AREVO, INC.

    Inventor： BHEDA, Hemant

    IPC: B29C70/24 ,  B29C64/147

    Abstract: The illustrative embodiment comprises the sewing of fibers into a sewing substrate (600, 700), which is then overmolded, to enable the manufacture of strong and lightweight articles (200) with complex geometries.

    FREE-SPACE 3D PRINTER
    8.
    发明申请
    FREE-SPACE 3D PRINTER 审中-公开

    公开(公告)号：WO2019139816A3

    公开(公告)日：2019-07-18

    申请号：PCT/US2019/012215

    申请日：2019-01-03

    Applicant: AREVO, INC.

    Inventor： BHEDA, Hemant

    IPC: B33Y10/00 ,  B33Y30/00 ,  B29C64/245 ,  B29C64/118 ,  B33Y80/00

    Abstract: A technique for additive manufacturing that avoids the necessity of having a build plate. The illustrative embodiment comprises two anchor plates (111-1, 111-2) from which a structure is constructed that forms at least the initial support for the object to be manufactured. The envelope of the structure can be a cylinder, a box, an n-sided prism, a hyperboloid of one sheet, a cone, the frustum of a cone, a pyramid, and the frustum of a pyramid.

    FREE-SPACE 3D PRINTER
    9.
    发明申请
    FREE-SPACE 3D PRINTER 审中-公开

    公开(公告)号：WO2019139816A2

    公开(公告)日：2019-07-18

    申请号：PCT/US2019/012215

    申请日：2019-01-03

    Applicant: AREVO, INC.

    Inventor： BHEDA, Hemant

    Abstract: A technique for additive manufacturing that avoids the necessity of having a build plate. The illustrative embodiment comprises two anchor plates from which a structure is constructed that forms at least the initial support for the object to be manufactured. The envelope of the structure can be a cylinder, a box, an n -sided prism, a hyperboloid of one sheet, a cone, the frustum of a cone, a pyramid, and the frustum of a pyramid.

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