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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
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。