초록 ▼

An expansible and disposable container for popping popcorn prepackaged with cooking oil therein in a microwave oven; such container being made of a material impervious to cooking oil and having its upper side provided with a pattern of weakness that serves as an excess vapor pressure release during

An expansible and disposable container for popping popcorn prepackaged with cooking oil therein in a microwave oven; such container being made of a material impervious to cooking oil and having its upper side provided with a pattern of weakness that serves as an excess vapor pressure release during the popping and which thereafter serves for convenient opening of the container so that the latter can be used as a serving tray.

대표청구항 ▼

A cooking bag comprising a fluid impervious and expansible container formed of a flexible sheet material, said sheet material being comprised of kraft paper having a fluid impervious coating of a synthetic resin on one side thereof, said one side of the paper being on the innermost side of the conta

A cooking bag comprising a fluid impervious and expansible container formed of a flexible sheet material, said sheet material being comprised of kraft paper having a fluid impervious coating of a synthetic resin on one side thereof, said one side of the paper being on the innermost side of the container, a common means for both venting the bag solely when fluid pressure exceeds a predetermined superatmospheric pressure that is less than that which will otherwise disrupt the integrity of the bag, and for opening after its contents are cooked, said common means comprising the sheet material having an intermittent line of scoring which comprises cut intervals spaced by unscored segments with said cut intervals being of a depth which extends through the paper layer and penetrates a fraction only of the resin coating, the remaining fractional thickness of the resin coating in the cut intervals having sufficient thickness to prevent food contaimination and sufficient strength to withstand bag expanding pressure but is frangible at a superatmospheric pressure that is less than that required to disrupt the integrity of the container thus allowing the intervals to open for the passage of steam or vapor therethrough while the unscored segments remain intact being manually rupturable when the bag is to be opened.