Microwave corn popping package

Details Microwave corn popping package Microwave corn popping package

H - Electricity

05

B

H05B 6/80 (2006.01) B65D 81/34 (2006.01)

Patent

CA 2078323

An open-topped wide mouth paperboard tub (40) for popping popcorn in a microwave oven includes an upstanding side wall (12) which has a free edge (41) at the top and a lower edge (21) which rests on the oven floor. The tub (40) also includes a flat bottom wall (16) connected to the side wall (12) at an elevation spaced upwardly from its bottom edge (21) to define an air compartment between the bottom wall (16) and the oven floor. A microwave susceptor layer (48) is connected to the bottom wall (16) to assist in popping the popcorn. The lower edge (21) is uninterrupted to make possible a sealing engagement with the oven floor so that the air in the compartment becomes heated during cooking. A layer of unpopped kernels (50) rests on the bottom wall (16) in heat conductive relationship with the susceptor (48). A flexible cover (12') which is sealed to the free edge (41) expands upwardly as the kernels (50) pop to accommodate their expansion.

Un bac en papier cartonné largement ouvert au sommet (40) destiné à griller et éclater des grains de maïs dans un four à micro-ondes comprend une paroi latérale verticale (12) qui a un rebord libre (41) au sommet et un rebord inférieur (21) qui repose sur la base du four. Le bac (40) comprend aussi un fond plat (16) relié à la paroi latérale (12) à une hauteur verticalement espacée du rebord inférieur (21) afin de délimiter un compartiment à air entre le fond (16) et la base du four. Une couche sensible aux micro-ondes (48) est reliée au fond du bac (16) pour aider à griller et éclater les grains de maïs. Le rebord inférieur (21) est continu afin de permettre un contact étanche entre celui-ci et la base du four de sorte que l'air dans le compartiment se réchauffe au cours de la cuisson. Une couche de grains non grillés (50) repose sur le fond (16) en relation de thermoconductivité avec la couche sensible aux micro-ondes (48). Un couvercle souple (12') s'emboîtant de manière étanche sur le rebord libre (41) s'élargit vers le haut lorsque les grains (50) sautent afin d'accommoder leur dilatation.

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