Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath
Patent
1981-02-25
1983-03-29
Mayewsky, Volodymyr Y.
Electricity: conductors and insulators
Conduits, cables or conductors
Conductive armor or sheath
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.
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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
Lebouc Luc
Marmignon Jean
Les Cables de Lyon
Mayewsky Volodymyr Y.
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