Electric heating – Metal heating – Of cylinders
Patent
1977-09-28
1979-03-13
Grimley, Arthur T.
Electric heating
Metal heating
Of cylinders
99DIG14, 126390, 220450, 229 35MF, 426107, H05B 906, B65D 8500
Patent
active
041444388
ABSTRACT:
An improved microwave energy moderating bag for enclosing, for instance, foodstuff such as a beef roast to be cooked at relatively high power in a microwave oven so that the foodstuff can be uniformly cooked to a predetermined degree of doneness without being repositioned and without having to vary the power level during the cooking interval. The improved bag is of the type fabricated from a laminated sheet comprising two laminae of thermoplastic films and a perforated foil lamina of microwave reflective material such as, for example, aluminum foil. The improved bag comprises an improved pouch-type top closure and duplex side seams. Both static and dynamic embodiments of the invention are disclosed: a static embodiment being dimensionally stable as opposed to a dynamic embodiment which is heat shrinkable by virtue of comprising a heat shrinkable thermoplastic film. Such a dynamic embodiment is so constructed that it transitions from being substantially transparent to microwave energy to being substantially less transparent to microwave energy as its temperature is increased: for instance, during a cooking cycle in a microwave oven.
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Gelman Stephanie S.
Guilloty Haydee R.
Maguire, Jr. Edward J.
Gorman John V.
Grimley Arthur T.
Slone Thomas J.
The Procter & Gamble & Company
Witte Richard C.
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