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    Liquefier assembly for additive manufacturing systems, and methods of use thereof
    72.
    发明授权
    Liquefier assembly for additive manufacturing systems, and methods of use thereof 有权
    用于添加剂制造系统的液化装置及其使用方法

    公开(公告)号：US09327447B2

    公开(公告)日：2016-05-03

    申请号：US14046290

    申请日：2013-10-04

    Applicant: Stratasys, Inc.

    Inventor： J. Samuel Batchelder ,  William J. Swanson ,  Kevin C. Johnson

    IPC: B29C69/00 ,  B29C67/00 ,  B33Y30/00

    CPC classification number: B29C67/0085 ,  B29C47/802 ,  B29C64/106 ,  B29C64/20 ,  B29C67/0055 ,  B29K2105/0067 ,  B33Y30/00

    Abstract: A liquefier assembly for use in an additive manufacturing system, which includes a rigid member having a gap, a liquefier tube operably disposed in the gap, one or more heater assemblies disposed in the gap in contact with the liquefier tube, and configured to heat the liquefier tube in a zone-by-zone manner, preferably one or more thermal resistors disposed in the gap between the rigid member and the heater assemblies, and preferably one or more sensors configured to operably measure pressure within the liquefier tube. The one or more heater assemblies may be operated to provide dynamic heat flow control.

    Abstract translation: 一种用于添加剂制造系统的液化器组件，其包括具有间隙的刚性构件，可操作地设置在间隙中的液化器管，设置在与液化器管接触的间隙中的一个或多个加热器组件， 液化器管以逐区方式，优选地设置在刚性构件和加热器组件之间的间隙中的一个或多个热电阻器，并且优选地，一个或多个传感器被配置为可操作地测量液化器管内的压力。 可以操作一个或多个加热器组件以提供动态热流控制。

    SYSTEM AND METHOD FOR 3D CONSTRUCTION PRINTING
    77.
    发明申请
    SYSTEM AND METHOD FOR 3D CONSTRUCTION PRINTING 审中-公开

    公开(公告)号：US20200149269A1

    公开(公告)日：2020-05-14

    申请号：US16188892

    申请日：2018-11-13

    Applicant: Stratasys, Inc.

    Inventor： S. Scott Crump ,  J. Samuel Batchelder ,  Susan M Hayes Jacobson

    IPC: E04B1/35 ,  B28B1/00

    Abstract: A large-scale additive manufacturing system for printing a structure includes an extrusion system and a knitting system. The extrusion system includes a nozzle configured to receive a supply of structural material and to selectively dispense the structural material in flowable form, and a first gantry configured to move the nozzle along toolpaths defined according to a structure to be printed such that structural material may be dispensed along the toolpaths to print a series of structural layers, wherein the series of structural layers bond together to form all or a portion of the structure. The knitting system includes a tow feeder configured to feed a supply of tow material to a location proximate a current course of loops extending above an upper surface of a current structural layer or extending above a base surface in regions where no structural layer has been printed, and a hooking device configured to engage the tow material and bring it through the current course of loops to form a subsequent course of loops interwoven with the current course of loops. A controller is configured to operate the knitting system to form additional subsequent courses of loops each interwoven with a current course of loops after each of the series of structural layers are printed, wherein the interwoven courses of loops create a reinforcement network of knitted loops embedded in the structure, and wherein the series of structural layers are tied together.

    Liquefier assembly with multiple-zone plate heater assembly
    79.
    发明授权
    Liquefier assembly with multiple-zone plate heater assembly 有权

    公开(公告)号：US10131131B2

    公开(公告)日：2018-11-20

    申请号：US14046301

    申请日：2013-10-04

    Applicant: Stratasys, Inc.

    Inventor： J. Samuel Batchelder ,  William J. Swanson ,  Kevin C. Johnson

    IPC: B29C69/00 ,  B33Y30/00 ,  B29C67/00

    Abstract: A liquefier assembly for use in an additive manufacturing system, which includes a rigid member having a gap, a liquefier tube operably disposed in the gap, one or more heater assemblies disposed in the gap in contact with the liquefier tube, and configured to heat the liquefier tube in a zone-by-zone manner, preferably one or more thermal resistors disposed in the gap between the rigid member and the heater assemblies, and preferably one or more sensors configured to operably measure pressure within the liquefier tube. The one or more heater assemblies may be operated to provide dynamic heat flow control.

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