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公开(公告)号:US06474029B1
公开(公告)日:2002-11-05
申请号:US09412743
申请日:1999-10-05
IPC分类号: E04C320
CPC分类号: E04C2/20 , E01C5/20 , E01C2201/12 , E01C2201/167 , E04H17/16
摘要: A roadway or fence comprises a series of panels linked together by means of flexible joints. A series of the panels is prevented from separating into discrete panels by means of a compression rod. Lengths of the panels thus connected are secured to further such lengths using a coupling device.
摘要翻译: 道路或围栏包括通过柔性接头连接在一起的一系列面板。 通过压缩杆防止一系列面板分离成离散面板。 使用联接装置将如此连接的面板的长度固定到另外的长度上。
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公开(公告)号:US06581343B1
公开(公告)日:2003-06-24
申请号:US09806979
申请日:2001-06-18
申请人: Luigi Metelli
发明人: Luigi Metelli
IPC分类号: E04C320
CPC分类号: E04B7/022 , E04B7/06 , E04B7/063 , E04C3/205 , E04C3/22 , E04C5/165 , Y10T403/341 , Y10T403/5706 , Y10T403/7056
摘要: The invention concerns a girder in reinforced concrete that has a flat intrados (11) and a flat or sloping extrados (12), which consists of two symmetrical halves or girders (13, 14) with adjacent parts that meet in a plane mid-way (15), perpendicular to the intrados, and equipped, near the extrados (12), with connecting plates for bolting (16) and, near the intrados (11), with a joint device (17) that has bars which are parallel to the intrados.
摘要翻译: 本发明涉及一种钢筋混凝土中的梁,其具有平坦的内部(11)和平坦或倾斜的外部(12),其由两个对称的半部或桁材(13,14)组成,相邻部分在中间的平面 (15),垂直于内部,并在附件(12)附近装有用于螺栓连接的连接板(16),并且在内部(11)附近具有连接装置(17),该连接装置具有平行于 intrados。
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