EASILY EXPANDABLE, NONTRAPPING, FLEXIBLE PAPER, MICROWAVE PACKAGE

A flexible paper microwave package in the form of an easily expandable, nontrapping bag (18) is disclosed including a bottom wall (20) and a top wall (22) interconnected together adjacent their circular outer peripheries (20a, 22a) by first and second interconnection portions (26a, 26b). In one pref...

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Bibliographische Detailangaben
Hauptverfasser:	THOMPSON HUNT, MARSHA, D, MONFORTON, RANDAL, J, MARTUCH, THOMAS, J
Format:	Patent
Sprache:	eng ; fre
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 ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HANDLING THIN OR FILAMENTARY MATERIAL MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING UNPACKING
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Beschreibung
Zusammenfassung:	A flexible paper microwave package in the form of an easily expandable, nontrapping bag (18) is disclosed including a bottom wall (20) and a top wall (22) interconnected together adjacent their circular outer peripheries (20a, 22a) by first and second interconnection portions (26a, 26b). In one preferred form, the top wall (22) is formed from a first portion (22d) having an oval shaped access opening closed by an oval shaped closure portion (22e) interconnected by a seal (40) to the first portion (22d). The bottom and top walls (20, 22) expand into an opposing double domed shape as the food product is being popped, puffed, or expanded in the microwave oven. This domed shape of the bottom wall (22) keeps the food product huddled closer together and enhances the bag (18) to rock to maximize gravimetric separation. The bag (18) provides a serving bowl function when the peelable closure seal (40) has been opened providing access to the interior of the bag (18) and specifically to the popped, puffed or expanded food product located therein. An extension (42) integrally extends from the closure portion (22e) along the major axis of the oval shape. First and second pairs of extensions (54) integrally extend from diametric opposite sides of the bottom and top walls (20,22) and along the major axis of the oval shape. Slits (60,66,74) relieve the constraints of the extensions (54) to creasing and puckering of the bottom and top walls (20,22) as they expand into the opposing double dome shape. L'invention concerne un emballage en papier souple pour cuisson au four à micro-ondes sous forme d'un sachet non piégeant et facilement extensible (18). Cet emballage comprend une paroi inférieure (20) et une paroi supérieure (22) raccordées par leurs périphéries circulaires extérieures (20a, 22a) au moyen d'une première et d'une seconde parties de raccordement (26a, 26b). Dans une forme préférée, la paroi supérieure (22) est formée à partir d'une première partie (22d) comportant une ouverture d'accès de forme ovale fermée par une partie de fermeture (22e) de forme ovale et reliée à la première partie (22d) par un couvercle (40). Les parois inférieure et supérieure (20, 22) sont extensibles jusqu'à occuper une forme à deux dômes opposés, au moment où le produit alimentaire éclate, est soufflé ou se dilate dans le four à micro-ondes. Cette forme en dôme de la paroi inférieure (22) maintient le produit alimentaire sous une forme plus compacte et augmente les secousses du sachet (