Freezer to microwave oven bag
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United States of America Patent
Stats
-
Nov 9, 1982
Issued Date -
N/A
app pub date -
Jul 28, 1980
filing date -
Apr 11, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
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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