发明名称 |
Apparatus for manufacturing an insulated conductor in metal tubing |
摘要 |
An apparatus for making a length of insulated electrical cable in a metal tubing by providing a vertically extending pipe, a metal tubing positioned in the pipe, an enlarged extension tube and a crossover connected to the top of the tubing. A piston pig connected to an insulated wire is lowered by gravity and fluid pressure through the extension tube, crossover and metal tubing.
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申请公布号 |
US5979881(A) |
申请公布日期 |
1999.11.09 |
申请号 |
US19980162908 |
申请日期 |
1998.09.29 |
申请人 |
KENDALL, JR., CLARENCE E. |
发明人 |
KENDALL, JR., CLARENCE E. |
分类号 |
E21B17/20;H01B13/22;H02G1/08;(IPC1-7):B66F3/24 |
主分类号 |
E21B17/20 |
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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