| 发明名称 |
HEAT-TREATED STEEL ALLOY WIRELINE DRILL RODS, AND METHOD OF MAKING THE SAME |
| 摘要 |
<p>HEAT TREATED STEEL ALLOY WIRELINE DRILL RODS, AND METHOD OF MAKING THE SAME Unitary heat-treated steel alloy wireline drill rods are manufactured by heating the tubing therein at both ends and then quenching the same in order to obtain the desired hardness for the ends thereof.</p> |
| 申请公布号 |
CA1207643(A) |
申请公布日期 |
1986.07.15 |
| 申请号 |
CA19840446710 |
申请日期 |
1984.02.03 |
| 申请人 |
J.K.S. INDUSTRIES INC. |
发明人 |
SUMMERS, HERBERT D. |
| 分类号 |
C21D9/28;(IPC1-7):C21D9/28 |
主分类号 |
C21D9/28 |
| 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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