Flexible self-limiting heating cable

Details Flexible self-limiting heating cable Flexible self-limiting heating cable

1980-06-24

1982-01-05

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With heating unit structure

29611, 174106SC, 174107, 174120SC, 219504, 219528, 219548, 219212, 252511, 264174, 338 22R, 338214, H05B 354

Patent

active

043095968

ABSTRACT:
A heating cable having spaced helically wound conductor wires separated by a layer of positive temperature coefficient material which functions as a self-limiting heating element. At least one of the conductor wires is helically disposed on a stranded core of insulating fibers which have been coated and impregnated with conductive carbon.

REFERENCES:
patent: 2575987 (1951-11-01), York et al.
patent: 2581212 (1952-01-01), Spooner, Jr. et al.
patent: 3344385 (1967-09-01), Bartos et al.
patent: 3359524 (1967-12-01), Gallacher et al.
patent: 3757088 (1973-09-01), Osborn
patent: 3858144 (1974-12-01), Bedard et al.
patent: 3861029 (1975-01-01), Smith-Johannseh et al.
patent: 4200973 (1980-05-01), Farkas

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