Package and method
First Claim
Patent Images
1. A package comprising:
- a bag formed of a material comprising at least one layer, the bag having an exterior portion, an interior portion, an oxygen barrier and a moisture barrier, and being capable of holding a vacuum; and
an item comprising a frangible material with a crush resistance or resistance to compression no less than about 7.0 PSIA, the item being held in the interior portion of the bag, the interior portion of the bag having less than about 1 ppm hexanal therein.
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Abstract
A package is provided, including a bag formed of a material comprising at least one layer, the bag having an exterior portion, an interior portion, an oxygen barrier and a moisture barrier, and being capable of holding a vacuum. Packaged therein is an item comprising a frangible material with a crush resistance or resistance to compression of less than about 7.0PSIA, the item being held in the interior portion of the bag. The interior portion of the bag has less than about 1ppm hexanal therein. A method for packaging the item is also provided.
67 Citations
76 Claims
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1. A package comprising:
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a bag formed of a material comprising at least one layer, the bag having an exterior portion, an interior portion, an oxygen barrier and a moisture barrier, and being capable of holding a vacuum; and
an item comprising a frangible material with a crush resistance or resistance to compression no less than about 7.0 PSIA, the item being held in the interior portion of the bag, the interior portion of the bag having less than about 1 ppm hexanal therein. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67)
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68. A method for vacuum packaging an item, the method comprising:
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providing a quantity of an item to be packaged comprising a frangible material with a crush resistance or resistance to compression no less than about 7.0 PSIA;
providing a bag capable of holding a vacuum;
filling the bag with the quantity of frangible material;
providing vacuum means, drawing a vacuum on the bag and exhausting the air from the package so the air pressure therein is less than atmospheric pressure; and
heat sealing the bag so that the vacuum is maintained therein and the bag has less than about 1 ppm hexanal therein. - View Dependent Claims (69, 70, 71, 72, 73, 74, 75)
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76. A method for packaging an item, the method comprising:
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providing a quantity of an item to be packaged comprising a frangible material selected from the group consisting of popped popcorn, snack chips, cereal flakes and cereal based flakes;
providing a semirigid bag formed of a material comprising at least one layer, the bag having an exterior portion, an interior portion, an oxygen barrier and a moisture barrier, and being capable of holding a vacuum, the semirigid bag further comprising an interior structure;
filling the bag with the quantity of frangible material;
exhausting the air from the package while filling the package with a gas selected from the group consisting of Nitrogen, Nitrous Oxide, Argon, Neon and mixtures thereof; and
heat sealing the bag so that the gas pressure is maintained therein and the bag has less than about 1 ppm hexanal therein.
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Specification