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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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