发明名称 |
ROTATIONAL DRILL BITS AND DRILLING APPARATUSES INCLUDING THE SAME |
摘要 |
A roof-bolt drill bit may include a bit body that is rotatable about a central axis and at least one cutting element mounted to the bit body. The at least one cutting element may include a cutting face, a cutting edge adjacent the cutting face, a back surface opposite the cutting face, and at least one coupling feature positioned adjacent the at least one cutting element. The at least one cutting element may be secured to the bit body by the at least one coupling feature. |
申请公布号 |
CA2812075(A1) |
申请公布日期 |
2012.02.23 |
申请号 |
CA20112812075 |
申请日期 |
2011.08.11 |
申请人 |
DOVER BMCS AQUISITION CORPORATION;MYERS, RUSSELL ROY;COX, E. SEAN |
发明人 |
MYERS, RUSSELL ROY;COX, E. SEAN |
分类号 |
E21B10/633 |
主分类号 |
E21B10/633 |
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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