Heated personal care appliances

Details Heated personal care appliances Heated personal care appliances

1984-03-16

1985-02-12

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1057, 219 1077, 219222, H05B 610

Patent

active

044993552

ABSTRACT:
There is disclosed induction heated personal care appliances such as hair rollers, curling irons and massagers. The appliance is generally cylindrical and made of plastic. It has either a high permeability cylinder attached tightly on its inner surface, or has the high permeability material as a particulate filler in the plastic. The induction heater is a non-conducting plastic cylindrical well with from 20 to 60 turns of an insulated wire coiled around its outer perimeter. The coil is powered by an oscillator and produces about 1 to 100 kHz.

REFERENCES:
patent: 491313 (1893-02-01), Jenkins
patent: 2181274 (1939-11-01), Jackson et al.
patent: 2561609 (1951-07-01), Briggs
patent: 3206573 (1965-09-01), Anderson et al.
patent: 3665939 (1972-05-01), Laing
patent: 3696819 (1972-10-01), Jensen
patent: 3973100 (1976-08-01), Flanagan
patent: 4004596 (1977-01-01), Hyland
patent: 4109667 (1978-08-01), Quirk

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