Food heating and cooking receptacle

Electric heating – Heating devices – Combined with container – enclosure – or support for material...

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Details

219386, 219430, 219436, 219439, 219543, F27D 1102

Patent

active

040630684

ABSTRACT:
A portable food serving receptacle capable of heating chilled or frozen food to cooking or serving temperatures and automatically maintaining food at serving temperature. The receptacle consists of thin metallic walls and utilizes a flexible heating element of electrical and thermal insulating material. The heating element is adhered to the metallic walls of an inner dish of the receptacle. The insulating material of the heating element forms a laminated structure in which the electrical resistor is embedded. The walls of the receptacle have a substantially higher thermal conductivity than the laminate. The rate of heat flow from the heating element to the interface of the food and metallic walls of the receptacle is controlled by the thermal insulating characteristics of the laminate so that gradients of heat entering any given point of the food are substantially equal and are maintained at temperature levels below the scorching temperature of the food.

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