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
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