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Heat Accumulators

Thermal-retention-device-with-outer-covering-receiving-a-warmer-and-food-to-be-heated

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Thermal retention device with outer covering receiving a warmer and food to be heated

Details

Inventors: Hyatt, Gary F.;
Assignee: Vesture Corporation (Asheboro, NC)
Primary Examiner: Jeffery; John A.
Assistant Examiner:
Attorney, Agent or Firm: Merchant & Gould P.C.

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.

DETAILED DESCRIPTION According to a preferred embodiment of the present invention, a thermal retention device is disclosed which includes an envelope for defining an enclosed volume.
An electrically resistive element is disposed within the envelope and terminates at an electric coupler which is adapted for coupling to an external source of electric power.
A phase change material is contained within the envelope in thermal conductivity with the resistive-element.

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