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.
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
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