发明名称 |
TENSIONABLE CABLE TRUSS SUPPORT SYSTEM |
摘要 |
A cable truss support system for supporting the roof of a mine includes two cables each having an end secured in the roof of a mine. The other ends of the cables are connected by a twisted ring anchor and are secured to the anchor by wedges through which the cables pass.
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申请公布号 |
CA2253077(A1) |
申请公布日期 |
1999.06.19 |
申请号 |
CA19982253077 |
申请日期 |
1998.11.05 |
申请人 |
DYCKERHOFF & WIDMANN AG |
发明人 |
LONG, LAWRENCE E. |
分类号 |
E21D11/00;(IPC1-7):E21D23/00;E21D17/00 |
主分类号 |
E21D11/00 |
代理机构 |
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代理人 |
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主权项 |
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