Flame retardant inside wiring cable made with an annealed metal

Details Flame retardant inside wiring cable made with an annealed metal Flame retardant inside wiring cable made with an annealed metal

1977-10-25

1979-05-15

Reynolds, Bruce A.

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

174102R, 174121A, H01B 720, H01B 734

Patent

active

041549767

ABSTRACT:
This inside wiring cable has insulated conductors surrounded by one or more layers of heat-resistant tape covered by a protective metal sheath which is preferably made of longitudinally folded metal strip with the seam welded and the tube metal then reduced in diameter down into intimate contact with the core and annealed. The cable is fire-resistant so that it does not spread fire. The metal sheath prevents any "afterburn."

REFERENCES:
patent: 2141910 (1938-12-01), Hayman
patent: 2697772 (1954-12-01), Kinghorn
patent: 2795640 (1957-06-01), Crandall
patent: 2803730 (1957-08-01), Kinghorn
patent: 3291891 (1966-12-01), Sharp
patent: 3303270 (1967-02-01), Shelton
patent: 3356790 (1967-12-01), Pollizzano et al.
patent: 3529340 (1970-09-01), Pollizzano et al.
patent: 3558801 (1971-01-01), Eilhardt
patent: 3928210 (1975-12-01), Peterson
patent: 3941908 (1976-03-01), Valia et al.
patent: 4064359 (1977-12-01), Peterson et al.

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