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    FLUID TREATMENT OF 3D PRINTED OBJECTS
    2.
    发明申请
    FLUID TREATMENT OF 3D PRINTED OBJECTS 审中-公开

    公开(公告)号：WO2021021129A1

    公开(公告)日：2021-02-04

    申请号：PCT/US2019/044106

    申请日：2019-07-30

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： VEGA VELASCO, Miguel ,  TORRES PINERO, Alejandro ,  GALDEANO CASTILLO, Eduard

    IPC: B29C64/379 ,  G01G17/00 ,  B33Y40/20

    Abstract: Apparatus is described comprising a chamber (101), which further comprises an interior (130), a sensor (102), a fluid dispenser (103) and a controller (104). A 3D printed object can be disposed in the chamber (101). The sensor (102) is arranged to weigh the chamber (101) or the whole contents of the chamber (101). The fluid dispenser (103) is arranged to dispense fluid into the interior (130) of the chamber (101) and the controller (104) can determine the weight of the 3D printed object and control the fluid dispenser (103). A system and a non-transitory machine-readable storage medium encoded with instructions executable by a processor.

    MOVEMENT OF A BUILD UNIT IN A 3D PRINTER
    3.
    发明申请
    MOVEMENT OF A BUILD UNIT IN A 3D PRINTER 审中-公开

    公开(公告)号：WO2021015745A1

    公开(公告)日：2021-01-28

    申请号：PCT/US2019/043073

    申请日：2019-07-23

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： GALDEANO CASTILLO, Eduard ,  MOLINER CLEMENTE, Guillermo ,  TORRES PINERO, Alejandro

    IPC: B29C64/245 ,  B33Y30/00

    Abstract: A 3D printer comprises a printing machine to accommodate a build unit in a print position and a conveyor to move the build unit into the print position and out of the print position. The conveyor is to move the build unit vertically downward into the print position and to move the build unit vertically downward out of the print position. The 3D printer is to move a build platform of the built unit vertically downward relative to the a frame of the build unit as successive layers of build material are formed on the build platform and are selectively processed while the build unit is in the print position.

    THREE-DIMENSIONAL PRINTING
    6.
    发明申请
    THREE-DIMENSIONAL PRINTING 审中-公开

    公开(公告)号：WO2019199329A1

    公开(公告)日：2019-10-17

    申请号：PCT/US2018/027609

    申请日：2018-04-13

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： VELASCO, Miguel Vega ,  TORRES PINERO, Alejandro ,  GARCES, Pedro Garcia

    IPC: B29C64/165 ,  B29C64/40 ,  B33Y30/00

    Abstract: Disclosed herein are compositions for three-dimensional printing. In some examples, disclosed herein are kits, compositions, parts, methods, and systems for three-dimensional printing. In an example, disclosed is a method of three-dimensional printing comprising: (I) forming a perimeter membrane, wherein the perimeter membrane comprises a powder build material; and (II) forming a pre-part, wherein the pre-part comprises the powder build material, a fusing agent, and a detailing agent, wherein the perimeter membrane is removably connected to at least a portion of the pre-part.

    OBJECT DECAKING
    10.
    发明申请
    OBJECT DECAKING 审中-公开

    公开(公告)号：WO2021177932A1

    公开(公告)日：2021-09-10

    申请号：PCT/US2020/020590

    申请日：2020-03-02

    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

    Inventor： MOLINER CLEMENTE, Guillermo ,  GALDEANO CASTILLO, Eduard ,  TORRES PINERO, Alejandro

    IPC: B29C64/35

    Abstract: The invention relates to a decake apparatus. The decake apparatus has a chamber with a base to support a build cake. The build cake includes a build object and non-solidified build material. The apparatus includes a distributor from which to force a fluidisation medium into a lower portion of a build cake supported on the base to fluidise non-solidified build material around the build object so that the build object sinks through the fluidised non-solidified build material towards the base. The also includes a material outlet through which non-solidified build material can be removed from the chamber.

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