发明名称 Concrete component anchor piece hoisting head - has plastics disc on circular plate with loop and threaded connecting piece
摘要 <p>The lifting head for anchor units on prefabricated concrete components enables them to be connected to a lifting appliance for transport or installation; it incorporates eye-loop and connecting piece. The loop (14) is formed onto a round disc (11), which has a threaded botl or socket formed or welded on a connecting piece (18). There is an elastic compressible plastic disc (20) on the remainder of the disc's surface. Its upper side (12) is arched in a convex shape, while the outsides of the loop are arched in a concave shape, crossing over into the disc's upper side.</p>
申请公布号 DE2741674(A1) 申请公布日期 1979.03.22
申请号 DE19772741674 申请日期 1977.09.16
申请人 MICHEL,REINHOLD 发明人 MICHEL,REINHOLD
分类号 E04G21/14;(IPC1-7):04G21/14 主分类号 E04G21/14
代理机构 代理人
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