Importance

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Abstract

A plate warmer having a heat storing core material for releasing heat to food serving supported thereon dishware over an extended period of time, i.e., in excess of thirty minutes, and a method of making said plate warmer. The heat storing material comprises beads of synthetic petroleum wax which are compressed to form a solid core having inwardly concave top and bottom surfaces and to expel air from the core. Top and bottom outer plate members are compressed to conform to the inwardly concave surfaces of the core and then sealed to define an airtight, waterproof cavity which is filled by the core. When the plate warmer is heated, the core expands outwardly against the concave walls of the outer plate members and the walls assume a substantially flat configuration wherein the cavity is enlarged to accommodate the expanded core material, the walls reassuming their inwardly concave configuration as the heat storing core material cools and releases heat through the top outer plate member to the dishware.

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First Claim