Shielded mining cable

Details Shielded mining cable Shielded mining cable

1979-10-01

1982-01-26

Kucia, Richard R.

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

174106SC, 174117F, 174120SC, H01B 708

Patent

active

043130291

ABSTRACT:
A high-voltage electrical power cable comprises a substantially flat core (10) having a plurality of flexible power conductors (11), and insulating body (14) surrounding each power conductor, a ground wire (12), an insulated ground check wire (13); an outer jacket (20) surrounding the core; and a layer of semi-conducting material (30, 30a, 30b, and 30c) extruded about and in contact with the core. The ground wire is covered with a semi-conductive material in contact with the extruded layer to provide a current path to ground.

REFERENCES:
patent: 2558929 (1951-07-01), Bunish
patent: 2689268 (1954-09-01), Peck
patent: 2981788 (1961-04-01), Bunish
patent: 3621118 (1971-11-01), Bunish
patent: 3660592 (1972-05-01), Anderson
patent: 3707595 (1972-12-01), Plate
patent: 3792192 (1974-02-01), Platte
patent: 4002820 (1977-01-01), Paniri
patent: 4008367 (1977-02-01), Sundorhauf

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