发明名称 |
TENSIONABLE CABLE BOLT |
摘要 |
A tensionable mine roof cable bolt having a resin grouted upper portion and a mechanical anchor. The cable bolt is rotated during installation in a mine roof bore hole to mix resin and engage the mechanical anchor with the rock. A drivehead press fitted onto the lower end of the cable may be stripped off the bolt upon tensioning of the bolt to a predetermined load.
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申请公布号 |
CA2281240(C) |
申请公布日期 |
2003.04.22 |
申请号 |
CA19992281240 |
申请日期 |
1999.08.31 |
申请人 |
JENNMAR CORPORATION |
发明人 |
STANKUS, JOHN C.;TAYLOR, KENDAL L. |
分类号 |
E21D;E21D21/00;(IPC1-7):E21D21/00 |
主分类号 |
E21D |
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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