Flush-face elevator door
    1.
    发明授权
    Flush-face elevator door 失效
    冲洗式电梯门

    公开(公告)号:US3838245A

    公开(公告)日:1974-09-24

    申请号:US31626172

    申请日:1972-12-18

    申请人: HARRIS PREBLE CO

    IPC分类号: B23K9/007 B23K9/025 B23K9/00

    CPC分类号: B23K9/007 B23K9/0256

    摘要: A flush-face freight elevator door is produced by welding a face plate, at least about 0.090 inches thick, to the members of a frame in the disclosed order, thereby producing a door substantially free of distortion or ''''oil-canning.

    摘要翻译: 通过以所公开的顺序将至少约0.090英寸厚的面板焊接到框架的构件来生产平面货物电梯门,由此产生基本上没有变形或“油罐”的门。