Cable for prospecting

Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath

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Details

174102E, 174106R, 174107, 174115, H01B 718

Patent

active

043784640

ABSTRACT:
A cable for prospecting, said cable including a core of conductor wires (3) surrounded by insulating material (4) and by armour (7, 8) formed by at least one layer of helically wound steel wires. It includes, from its center to its periphery, inside the armour, an axial monofilament (2) made of a polymer that withstands high temperatures, said monofilament forming the insulation of an inner conductor (1), an outer conductor (5) and a sheath (6) made of a thermoplastic substance that withstands high temperatures, said inner conductor serving a different electrical function than said core of conductor wires.

REFERENCES:
patent: 3286022 (1966-11-01), Hvizd, Jr.
patent: 3482034 (1969-12-01), Rhoades et al.
patent: 3758704 (1973-09-01), Naud
patent: 3772454 (1973-11-01), Donecker
patent: 3773109 (1973-11-01), Eberline
patent: 4028660 (1977-06-01), Pitts, Jr.
patent: 4079190 (1978-03-01), Jones et al.
patent: 4081602 (1978-03-01), Panire et al.
patent: 4250351 (1981-02-01), Bridges

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