| 发明名称 |
Parallel girder, in particular, for mine and tunnel supports. |
| 摘要 |
In a process to add structural strength to a tunnel lining, the lining is strengthened by twin rods (2) held in tension by anchorage clamps (4) secured in the surrounding rock by pins inserted through apertures (7). The wire rods (2) terminate in threads and locknuts (9). |
| 申请公布号 |
ZA200405125(B) |
申请公布日期 |
2005.05.25 |
| 申请号 |
ZA20040005125 |
申请日期 |
2004.06.28 |
| 申请人 |
BOCHUMER EISENHUETTE HEINTZMANN GMBH & CO. KG. |
发明人 |
LOTHAR DOMANSKI;RUDI PODJADTKE;FRANZ-JOSEF WUNDERLICH |
| 分类号 |
E21D11/00;E21D11/10 |
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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| 地址 |
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