Method and apparatus for manufacturing an insulated conductor in

Details Method and apparatus for manufacturing an insulated conductor in Method and apparatus for manufacturing an insulated conductor in

1996-07-31

1999-01-05

Culver, Horace M.

Metal working

Method of mechanical manufacture

Electrical device making

29728, 29234, H01B 1320, H01B 1322

Patent

active

058550623

ABSTRACT:
A method and apparatus for making a length of cable including placing a length of pipe forming a closed chamber into a bore hole, placing a length of metal tubing into the pipe, attaching a piston pig to an electrically conductive wire and inserting the pig into the metal tubing and applying a differential pressure to the piston pig for controlling the movement of the pig and conductor through the tubing, and removing the combination of the tubing and wire from the pipe for later use.

REFERENCES:
patent: 2359532 (1944-10-01), Searle
patent: 2823153 (1958-02-01), Bunnell et al.
patent: 2831656 (1958-04-01), Grieve
patent: 3245139 (1966-04-01), Scolaro
patent: 3373244 (1968-03-01), Holland
patent: 3672196 (1972-06-01), Levacher et al.
patent: 3778878 (1973-12-01), Bindari
patent: 4126927 (1978-11-01), Woodward et al.

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