Method for forming laminate for microwave oven package

Details Method for forming laminate for microwave oven package Method for forming laminate for microwave oven package

1992-04-21

1993-06-22

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156634, 156656, 1566591, 156665, B44C 122, C23F 100

Patent

active

052214192

ABSTRACT:
A laminate structure useful for incorporating into a package structure for the microwave cooking of foodstuffs for consumption comprises an outer layer polymeric material, an outer layer of microwave transparent material, a grid layer having an electroconductive surface surrounding transmissive apertures located between the outer layers, and a thin layer of electroconductive material of sufficient thickness so that a portion of incident microwave energy is converted to thermal energy also located between the outer layers. The structure is useful in providing controlled surface heating and microwave transmittance to achieve a more uniformly heated product employing less structural material than the prior art.

REFERENCES:
patent: 4230924 (1980-10-01), Brastad et al.
patent: 4398994 (1983-08-01), Beckett
patent: 4552614 (1985-11-01), Beckett
patent: 4927991 (1990-05-01), Wendt et al.

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