Armored cable having mineral insulation

Details Armored cable having mineral insulation Armored cable having mineral insulation

1985-12-17

1987-08-25

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Conductive armor or sheath

29614, 174118, 338238, H01B 716

Patent

active

046894438

ABSTRACT:
An armored cable having mineral insulation, comprising a metal central conductor and a cylindrical hollow metal sheath between which a powdered refractory insulating material is interposed, characterized in that the mineral insulating material is a mixture of 10 to 30% by weight of magnesium oxide (MgO) and 70 and 90% by weight of silicon oxide (SiO.sub.2).

REFERENCES:
patent: 222943 (1843-05-01), Lepetit
patent: 1127281 (1915-02-01), Read
patent: 2351056 (1944-06-01), Lepetit
patent: 2669636 (1954-02-01), Rawles
patent: 3297818 (1967-01-01), McCleery
patent: 4087777 (1978-05-01), Clasen et al.

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