Freezer to microwave oven bag

Details Freezer to microwave oven bag Freezer to microwave oven bag

B - Operations, Transporting

65

D

217/14

B65D 81/34 (2006.01) B29C 65/00 (2006.01) B29C 65/02 (2006.01) B65D 30/00 (2006.01)

Patent

CA 1159022

Abstract A disposable or reusable and reclosable thermoplastic bag capable of being compactly stored as a food container in freezers, yet capable of standing with an upright spout in a microwave oven for non-spill thawing and cooking of food contained in the bag. The bag is formed of two wing-shaped pouches on either side of the upright spout. A preferred closure of a zipper type is provided in the spout which is adapted to automatically open to vent vapors from the bag upon softening of its thermoplastic structure during the cooking stage. The bag preferably has inner and outer skin layers of different heat-softening temperature responses so that peripheral sealing is effected only with the inner skin layers, allowing the wing-shaped pouches to be formed from a gussetted bottom without sealing of the outer layer plies facing one another. 27,752A-F

370580

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