| 发明名称 |
EXPANDABLE ROCK BOLT AND ROCK BOLTING SYSTEM |
| 摘要 |
<p>The present invention is related to a rock bolt ( 7 ), expandable by means of a pressure media, for insertion into a borehole. The expandable bolt ( 7 ) comprises a connection unit ( 8 ) with means ( 11 ) for detachable interaction with an expansion means ( 10 ) for expansion of the rock bolt ( 7 ), as well as with a suspension element ( 16 ). The connection unit is designed with such external dimensions so that it may be inserted into the bore-hole. The invention also relates to such a rock bolting system.</p> |
| 申请公布号 |
EP1623095(A1) |
申请公布日期 |
2006.02.08 |
| 申请号 |
EP20040732532 |
申请日期 |
2004.05.12 |
| 申请人 |
ATLAS COPCO ROCK DRILLS AB |
发明人 |
KANFLOD, MORGAN;OEBERG, FREDRIK |
| 分类号 |
E21D21/00;E21F17/02;(IPC1-7):E21D21/00 |
主分类号 |
E21D21/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
