| 发明名称 |
ROCK BIT CUTTER CONSTRUCTION |
| 摘要 |
<p>ROCK BIT CUTTER CONSTRUCTION A conical cutter for a rolling cutter drill bit is disclosed wherein the cutter body is manufactured from a through-hardening grade of steel which has been heat treated to optimum hardness with a selectively surface hardened bearing area.</p> |
| 申请公布号 |
CA1165757(A) |
申请公布日期 |
1984.04.17 |
| 申请号 |
CA19800363871 |
申请日期 |
1980.11.03 |
| 申请人 |
REED TOOL COMPANY (DELAWARE) |
发明人 |
MINTON, JAMES A.;GILBERT, GEORGE J. |
| 分类号 |
E21B10/08;(IPC1-7):E21B10/08 |
主分类号 |
E21B10/08 |
| 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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