Microwave food package

Apparatus for and method of controlling heating of a foodstuff using microwave energy having a food package with a microwave shielding layer containing a plurality of apertures therein sized to permit entry of both evanescent microwave energy and propagating microwave energy into the interior of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RANDAL J. MONFORTON, HONG JI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J HANDLING THIN OR FILAMENTARY MATERIAL HUMAN NECESSITIES PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL STORING THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRANSPORTING
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Beschreibung
Zusammenfassung:	Apparatus for and method of controlling heating of a foodstuff using microwave energy having a food package with a microwave shielding layer containing a plurality of apertures therein sized to permit entry of both evanescent microwave energy and propagating microwave energy into the interior of the package with the microwave shielding layer being moved outward as the package expands due to generation of water vapor such that an interior volume of the package is subsequently protected against substantial evanescent microwave irradiation of the foodstuff during completion of the microwave heating cycle using propagating microwave energy to further heat the foodstuff.