Implements or apparatus for applying pushing or pulling force – Method or apparatus for placement of conductive wire – By fluid pressure differential in conduit
Patent
1998-09-29
1999-11-09
Scherbel, David A.
Implements or apparatus for applying pushing or pulling force
Method or apparatus for placement of conductive wire
By fluid pressure differential in conduit
B66F 324
Patent
active
059798815
ABSTRACT:
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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Scherbel David A.
Shanley Daniel G.
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