SELF SHARPENING STEEL TOOTH CUTTING STRUCTURE |
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| 申请号 | PCT/US2009061235 | 申请日 | 2009-10-20 | 公开(公告)号 | WO2010048116A3 | 公开(公告)日 | 2010-07-22 |
| 申请人 | BAKER HUGHES INC; BUSKE ROBERT J; OVERSTREET JAMES L; | 发明人 | BUSKE ROBERT J; OVERSTREET JAMES L; | ||||
| 摘要 | An earth boring drill bit comprising a milled cutter having rows of teeth hardfacing guides on the cutter. Hardfacing is applied between adjacent teeth hardfacing guides to form a cutting element. The hardfacing may include an annular body with ridges that outwardly project from the body. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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