发明名称 |
MINE SHAFT SINKING |
摘要 |
In a method of sinking a mine shaft, the shaft is excavated and lined from a sinking stage and the previously excavated and lined shaft is simultaneously equipped from an equipping stage which is located above the sinking stage and which follows the sinking stage down the shaft. In this way, considerable time savings can be achieved in the sinking of the shaft. |
申请公布号 |
AU7525391(A) |
申请公布日期 |
1991.10.24 |
申请号 |
AU19910075253 |
申请日期 |
1991.04.18 |
申请人 |
ANGLO AMERICAN CORPORATION OF SOUTH AFRICA LIMITED |
发明人 |
BRUCE ALEXANDER SOBEY;MALCOLM ERNEST GREENWAY;HELMUT TEERMAN;BERNADUS JOZEFUS DOST;SIDNEY GIBSON |
分类号 |
E21C41/00;E21D;E21D1/03;E21D1/06 |
主分类号 |
E21C41/00 |
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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