Self-regulating heating cable compositions therefor, and method

Details Self-regulating heating cable compositions therefor, and method Self-regulating heating cable compositions therefor, and method

1990-05-23

1992-06-16

Reynolds, Bruce A.

Electric heating

Heating devices

With heating unit structure

219528, 219529, 219549, 219553, 219535, 29611, 156 85, 156 87, 338 22R, 252511, 252512, H05B 310

Patent

active

051226413

ABSTRACT:
A method for producing a self-regulating heating cable is provided. A first conductive constituent is cryogenically cooled to a temperature at least as low as its glass transition temperature, and ground into first conductive pellets. A second conductive constituent is cryogenically cooled to a temperature at least as low as its glass transition temperature and ground into second conductive pellets. The first and second conductive pellets are combined to obtain a mixture which is extruded over a pair of conductive wires to form a cable.

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