发明名称 |
Hardfacing rock bit cones for erosion protection |
摘要 |
A roller cone for a rock bit is disclosed. The cone includes a cone substrate and hardfacing applied by a welding process in grooves on the exterior surface of the cone substrate. The cone also includes hardfacing applied by a thermal spraying process to insert lands on the exterior surface of the cone substrate.
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申请公布号 |
US2001015290(A1) |
申请公布日期 |
2001.08.23 |
申请号 |
US20010757297 |
申请日期 |
2001.01.09 |
申请人 |
SUE J. ALBERT;SLAUGHTER ROBERT H.;CARIVEAU PETER T. |
发明人 |
SUE J. ALBERT;SLAUGHTER ROBERT H.;CARIVEAU PETER T. |
分类号 |
E21B10/52;(IPC1-7):E21B10/46 |
主分类号 |
E21B10/52 |
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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