| 发明名称 |
SELF-DRILLING ANCHOR |
| 摘要 |
<p>An embodiment of the invention includes a self-drilling anchor. The self-drilling anchor includes a drill rod with a first end and a second end and a drill bit attached to the first end of the drill rod. The self-drilling anchor also includes an expansion shell located over the drill rod near the first end and adjacent to the drill bit and a rod sleeve located over the drill rod and adjacent to the expansion shell.</p> |
| 申请公布号 |
CA2698543(A1) |
申请公布日期 |
2009.03.19 |
| 申请号 |
CA20082698543 |
申请日期 |
2008.09.15 |
| 申请人 |
LONGYEAR TM, INC. |
发明人 |
MARONEY, GEOFFERY JOHN;FITZGERALD, SEAN |
| 分类号 |
F16B13/04;E04B1/48;F16B25/10 |
主分类号 |
F16B13/04 |
| 代理机构 |
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代理人 |
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