H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 6/80 (2006.01) B65D 81/34 (2006.01) B65D 81/38 (2006.01)
Patent
CA 2474927
The combination of insulating material with microwave interactive food packaging for enhanced cooking properties is disclosed. An insulating microwave packaging material (200) and a method of making the same are also disclosed. In one embodiment, the insulating microwave packaging material (200) is formed by bonding a microwave interactive material substrate (205) that creates sensible heat upon exposure to microwave energy to a second substrate (210) along bond lines (212) arranged in a pattern to form closed cells (214). Upon impingement of the insulating microwave packaging material (200) by microwave energy in a microwave oven, the closed cells (214) expand to form insulating pockets (216). One side of the insulating pocket (216) bulges and lofts above the opposite side. When a food product is situated on the insulating microwave packaging material (200), the insulating pockets (216) insulate the food product from the microwave oven environment.
L'invention porte: sur une combinaison d'un matériau isolant et d'un emballage de produits alimentaires réagissant aux micro-ondes permettant d'améliorer les propriétés culinaires; et sur un matériau d'emballage isolant pour micro-ondes (200) pour micro-ondes et son procédé de fabrication. Dans une exécution ledit matériau (200) d'emballage de matériau est formé en soudant un premier substrat (205) de matériau chauffant sous l'effet des micro-ondes à un deuxième substrat (210) le long de lignes de soudure (212) tracées de manière à former des cellules fermées (214) qui soumises aux micro-ondes se dilatent de manière à former des poches isolantes (216) dont l'un des côtés s'enfle et saille du côté opposé. Lorsqu'un produit alimentaire est placé sur le matériau isolant (200), les poches isolantes (216) ainsi formées l'isolent de l'environnement du four à micro-ondes.
Cole Lorin R.
Lafferty Terrence P.
Middleton Scott W.
O'hagan Brian
Robison Richard G.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Graphic Packaging International Inc.
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