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    CASTING MOLD HEIGHT CHANGING UNIT, FLASKLESS MOLDING MACHINE, AND CASTING MOLD HEIGHT CHANGING METHOD
    8.
    发明公开
    CASTING MOLD HEIGHT CHANGING UNIT, FLASKLESS MOLDING MACHINE, AND CASTING MOLD HEIGHT CHANGING METHOD 审中-公开

    公开(公告)号：EP3656484A1

    公开(公告)日：2020-05-27

    申请号：EP18834651.4

    申请日：2018-04-13

    申请人： Sintokogio, Ltd.

    发明人： TAKASU Shuji ,  KOMIYAMA Takayuki

    IPC分类号： B22C15/28 ,  B22C11/00 ,  B22C15/02

    摘要： A flaskless molding machine includes an upper flask, a lower flask capable of clamping a match plate with the upper flask, a filling frame connectable to the lower flask, a first squeeze board movable into and out from the upper flask, a second squeeze board movable into and out from the filling frame, a filling frame cylinder moving the filling frame relative to the second squeeze board, a squeeze cylinder integrally moving the filling frame, the second squeeze board, and the filling frame cylinder, and a control unit configured to control the filling frame cylinder and the squeeze cylinder. A mold height changing unit includes a stopper limiting a stroke length of the filling frame cylinder to a predetermined length.

    SURFACE TREATMENT METHOD FOR METALLIC SOLID STRUCTURES
    10.
    发明公开
    SURFACE TREATMENT METHOD FOR METALLIC SOLID STRUCTURES 审中-公开

    公开(公告)号：EP3520964A1

    公开(公告)日：2019-08-07

    申请号：EP17855753.4

    申请日：2017-09-14

    申请人： Sintokogio, Ltd.

    发明人： KIBAYASHI Hideyuki ,  SAKAI Shigekazu

    IPC分类号： B24C1/04 ,  B22F3/16 ,  B24C3/32 ,  B24C11/00 ,  B33Y40/00 ,  B33Y80/00

    摘要： [Purpose]
    To provide a surface treatment method of removing surface defects of a metallic three-dimensional product manufactured by a three-dimensional modeling method.
    [Solution]
    According to the present invention, there is provided a surface treatment method of removing surface defects of a metallic three-dimensional product W manufactured by a three-dimensional modeling method, the surface treatment method including the steps of preparing the three-dimensional product, and injecting a first injecting material toward a surface of the three-dimensional product to make the first injecting material hit against the surface, wherein the first injecting material is particles having corners, and the level difference between layers of a three-dimensional product surface is removed by the corners.