Food or edible material: processes – compositions – and products – Packaged or wrapped product
Patent
1980-07-28
1982-11-09
Weinstein, Steven L.
Food or edible material: processes, compositions, and products
Packaged or wrapped product
150 1, 229 61, 229DIG14, 493189, 493243, 493936, 426113, 426118, 426410, 426412, B65D 3018
Patent
active
043584667
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. The preferred closure is a zipper type which can automatically vent 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 layers, allowing the wing-shaped pouches to be formed out of a gussetted bottom without sealing of the outer layer plies facing one another.
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Hessenaur, Jr. Lloyd E.
The Dow Chemical Company
Weinstein Steven L.
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