Thermal retention device with outer covering receiving a warmer

Details Thermal retention device with outer covering receiving a warmer Thermal retention device with outer covering receiving a warmer

1998-02-25

1999-12-07

Jeffery, John A.

Electric resistance heating devices

Heating devices

With heat storage means

219528, 219387, 219530, 392346, 12626301, H05B 334

Patent

active

059996994

ABSTRACT:
A heat retention device in the form of a heating pad includes an electrically resistive coil contained within a volume. The coil terminates at an electric coupler which is external of the volume. A phase change material is contained within the volume in thermal conductivity with the resistive element.

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Ingrid Inc. advertisements for Thermal Bags (6 pages) (Date Unknown).

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