| 发明名称 |
METHOD OF FABRICATION OF ROCK BIT INSERTS |
| 摘要 |
<p>A method of fabricating a rock bit insert which has improved wear characteristics is disclosed. Selected surfaces of the insert are implanted with a harder grade of tungsten carbide and sintered thereto. The special insert then would find application in the gage row of, for example, a roller cone rock bit.</p> |
| 申请公布号 |
CA1170028(A) |
申请公布日期 |
1984.07.03 |
| 申请号 |
CA19810379267 |
申请日期 |
1981.06.08 |
| 申请人 |
SMITH INTERNATIONAL, INC. |
发明人 |
GARNER, LLOYD L. |
| 分类号 |
B22F7/06;E21B10/52;E21B10/56;E21B10/567;(IPC1-7):B22F7/00;C04B35/56 |
主分类号 |
B22F7/06 |
| 代理机构 |
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代理人 |
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| 主权项 |
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