| 发明名称 |
Process for rock bolting |
| 摘要 |
To anchor and secure rock masses, a longitudinal tube and rods are inserted in a borehole to be clamped hydraulically during insertion to form a friction anchor and additional clamping by the rods. The rods lie within grooves along the tube, for insertion into the borehole.
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| 申请公布号 |
EP1533472(A1) |
申请公布日期 |
2005.05.25 |
| 申请号 |
EP20040466032 |
申请日期 |
2004.11.19 |
| 申请人 |
ANKRA, SPOL. S R.O. |
发明人 |
PALONCY, LIBOR, ING.;HANZLIK, CESLAV, ING. |
| 分类号 |
E21D21/00;(IPC1-7):E21D21/00 |
主分类号 |
E21D21/00 |
| 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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