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公开(公告)号:US4080681A
公开(公告)日:1978-03-28
申请号:US782328
申请日:1977-03-29
申请人: Hans H. Olrik , Hans C. L. Jacobsen
发明人: Hans H. Olrik , Hans C. L. Jacobsen
CPC分类号: E01D2/00 , E01D19/103 , E01D2/04 , E01F9/669 , E01D2101/34
摘要: A pedestrian bridge includes side, bottom and rail members formed of extruded aluminum box beams welded along edges to define a U-shaped bridge having lights in a longitudinal cavity in the rail members; a second embodiment is in the form of a close pipe of irregular hexagonal cross-section.
摘要翻译: 行人桥包括由沿着边缘焊接的挤压铝箱梁形成的侧壁,底部和轨道构件,以限定在轨道构件中的纵向空腔中具有灯的U形桥; 第二实施例是具有不规则六边形横截面的闭合管的形式。
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公开(公告)号:US3849237A
公开(公告)日:1974-11-19
申请号:US13239071
申请日:1971-04-08
申请人: ZETLIN L
发明人: ZETLIN L
CPC分类号: E01D1/00 , E01D2101/00 , E01D2101/26 , E01D2101/34 , E01D2101/40 , E04C2/34 , Y10T428/24149 , Y10T428/24661
摘要: A structural member entirely formed of sheet material suitably connected together along surface portions thereof. The sheet material is folded or otherwise formed into individual geometric shapes bonded to one another along overlying surfaces thereof.
摘要翻译: 一种完全由片材整体形成的结构件,其表面部分适当地连接在一起。 片材被折叠或以其它方式形成为沿其上表面彼此粘合的单个几何形状。
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公开(公告)号:US3181187A
公开(公告)日:1965-05-04
申请号:US10757961
申请日:1961-05-03
发明人: KAHN HARRY J
CPC分类号: E01D6/00 , E01D2/04 , E01D2101/26 , E01D2101/30 , E01D2101/34
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