Face-like heating device

Details Face-like heating device Face-like heating device

1989-08-07

1991-04-09

Envall, Jr., Roy N.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219543, 219548, 219553, H05B 326

Patent

active

050066960

ABSTRACT:
Disclosed is a face-like heating device using an organic PTC thermistor plate having at least one pair of electrodes formed on one major surface thereof and a soaking plate made of a material having a thickness in the range of 0.1 mm to 0.3 mm and having thermal conductivity of 0.4 cal cm.sup.-1 S.sup.-1 deg.sup.-1 or higher adhered to the other major surface thereof.

REFERENCES:
patent: 3976854 (1976-08-01), Ishikawa
patent: 4034207 (1977-07-01), Tamada
patent: 4037082 (1977-07-01), Tamada
patent: 4482801 (1984-11-01), Habata
patent: 4631391 (1986-12-01), Tiepke

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