Flexible bags – With closure – Bag walls designed to be rolled together or folded on common...
Patent
1996-08-23
1998-06-30
Weinstein, Steven
Flexible bags
With closure
Bag walls designed to be rolled together or folded on common...
426106, 426107, 426113, B65D 3324
Patent
active
057723311
ABSTRACT:
A microwave and oven safe packaging is provided which may be repeatedly resealed. The packing includes a top panel, a back panel, side panels and a bottom panel which define an enclosure in which a food item may be placed. The top and bottom panels have a top and a bottom, and the tops of the top and bottom panels are positionable substantially adjacent each other to define a top of the packaging. A non-metallic, flexible closure is provided which may be used to repeatedly close the package. The closure includes an elongate inner portion which extends generally parallel to the sides of the package. The inner portion is adhered to the bag front panel and is spaced from the top of the panel. An upper portion has a free and a fixed end. The upper portion is adhered to the bottom of the inner portion at its fixed end. The upper portion is longer than the inner portion and its free end extends beyond the top of the package to be wrapped about the top of the package and adhered to the back panel of the packaging. The free end of the closure upper portion is provided with adhesive applied to its inner surface. The adhesive is made of a material which may be repeatedly adhered to and removed from the package back panel. In an alternative, a single elongated portion forms the entire enclosure to secure the packaging in closure. The packaging preferably includes a heat resistant film, such as a polyester or polyethylene film. Preferably, the packaging is treated with a grease and/or oil treatment to prevent grease and oils from seeping or leaking through the bag. The grease and oil treatments include fluorocarbons and related polymers which are added to the pulp from which the paper package is made.
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Irace John J.
Maffit Terry E.
Denk Paul M.
Packaging Concepts Inc.
Weinstein Steven
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