Electrically conductive self-regulating article

Details Electrically conductive self-regulating article Electrically conductive self-regulating article

1979-03-26

1981-07-07

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

29611, 219549, 338212, 338 22R, 252511, 264105, 428214, H05B 334

Patent

active

042776732

ABSTRACT:
The method of manufacturing, composition and product described herein utilize highly electrically resistive carbon black alone or with low resistivity carbon black to form a self-limiting electrically resistive semi-conductor which presents a positive temperature co-efficient of resistance, the methods which are described providing significantly shortened anneal times, manufacturing ease and reliability.

REFERENCES:
patent: 3412358 (1968-11-01), Hummul et al.
patent: 3435401 (1969-03-01), Epstein
patent: 3793716 (1974-02-01), Smith-Johannsen
patent: 3823217 (1974-07-01), Kampe
patent: 3861021 (1975-01-01), Smith-Johannsen et al.
patent: 3900654 (1975-08-01), Stinger
patent: 3914363 (1975-10-01), Bedard et al.
patent: 4169816 (1979-10-01), Tsien
patent: 4177446 (1979-12-01), Diaz

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