Sealed thermostatic heater

Details Sealed thermostatic heater Sealed thermostatic heater

1975-11-19

1977-08-30

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

219504, 338 22R, H01C 702

Patent

active

040457630

ABSTRACT:
A sealed thermostatic heater for use in a hair curling iron which uses a positive temperature coefficient (PTC) thermistor as a heat source together with a wire-wound heater, coated heater or ceramic heater.

REFERENCES:
patent: 1279321 (1918-09-01), Gardner
patent: 3023295 (1962-02-01), Johnson

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