| 发明名称 |
COPPER-BASED SPINODAL ALLOY BEARINGS |
| 摘要 |
This invention relates to the use of copper-based spinodal alloys, for example, copper-nickel-tin alloys, for bearing surfaces formed between a journal shaft and a roller cutter cone of a sealed bearing rock bit. |
| 申请公布号 |
CA1238309(A) |
申请公布日期 |
1988.06.21 |
| 申请号 |
CA19850473398 |
申请日期 |
1985.02.01 |
| 申请人 |
SMITH INTERNATIONAL, INC. |
发明人 |
KAR, NARESHCHANDRA J. |
| 分类号 |
C22C9/00;E21B10/22;F16C33/12;(IPC1-7):E21B10/22 |
主分类号 |
C22C9/00 |
| 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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