| 发明名称 |
THERMAL ROCK FRAGMENTATION APPLICATION IN NARROW VEIN EXTRACTION |
| 摘要 |
A free-blast method for extracting ore from an ore vein deposit wherein the vein is extracted by causing the ore comprised between the rock walls bordering t he vein to spall into fragments. The ore fragments are recuperated as by aspiration and subsequently processed to retrieve the precious mineral.
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| 申请公布号 |
CA2412792(A1) |
申请公布日期 |
2004.05.26 |
| 申请号 |
CA20022412792 |
申请日期 |
2002.11.26 |
| 申请人 |
ROCMEC INTERNATIONAL INC. |
发明人 |
BRISEBOIS, DONALD |
| 分类号 |
E21C25/58;E21C37/16;(IPC1-7):E21C41/22;E21C41/00 |
主分类号 |
E21C25/58 |
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