发明名称 Hot-rolled concrete reinforcing bar, in particular reinforcing ribbed bar
摘要 In a hot-rolled concrete reinforcing bar of which the ribs are arranged along a helical line and form portions of a thread for screwing on an anchoring or connecting body provided with a counter thread a rib form and rib arrangement improved as regards the dynamic stressability of the thread connection is proposed.
申请公布号 US4922681(A) 申请公布日期 1990.05.08
申请号 US19880242729 申请日期 1988.09.09
申请人 DYCKERHOFF & WIDMANN AG;ARBED S.A. 发明人 RUSSWURM, DIETER;JUNGWIRTH, DIETER
分类号 B21B1/16;B21D39/04;E04C5/03;E04C5/12;E04C5/16;(IPC1-7):E04C5/03 主分类号 B21B1/16
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