초록 ▼

A packaging system for preserving perishable moisture-containing items comprising a shrinkable barrier bag comprising at least one compartment, and a one-way valve disposed in the wall of the barrier bag, sealing means for closing the barrier bag, a carbon dioxide gas source gas disposed within the

A packaging system for preserving perishable moisture-containing items comprising a shrinkable barrier bag comprising at least one compartment, and a one-way valve disposed in the wall of the barrier bag, sealing means for closing the barrier bag, a carbon dioxide gas source gas disposed within the barrier bag, a clear transparent oxygen-permeable container disposed within the barrier bag, for containment of perishable moisture containing items, and a water-containing pad disposed within the barrier bag for providing humidity within the barrier bag.

대표청구항 ▼

1. A packaging system for preserving perishable moisture-containing items comprising a barrier bag having at least one compartment, sealing means for closing said barrier bag, a non-oxidizing gas disposed within said barrier bag, a water-containing pad disposed within said barrier bag, and means for

1. A packaging system for preserving perishable moisture-containing items comprising a barrier bag having at least one compartment, sealing means for closing said barrier bag, a non-oxidizing gas disposed within said barrier bag, a water-containing pad disposed within said barrier bag, and means for venting gases and water vapor from said barrier bag.2. The packaging system as recited in claim 1 further comprising a container disposed within said barrier bag.3. The packaging system as recited in claim 2, wherein said container is comprised of a clear transparent material.4. The packaging system as recited in claim 2, wherein said container is comprised of an oxygen permeable material.5. The packaging system as recited in claim 4, wherein said oxygen permeable material is oriented polystyrene.6. The packaging system as recited in claim 4, wherein said oxygen permeable material is poly(ethylene terephthalate).7. The packaging system as recited in claim 2, wherein said non-oxidizing gas is selected from the group consisting of carbon dioxide, nitrogen, and mixtures thereof.8. The packaging system as recited in claim 7, wherein said non-oxidizing gas is carbon dioxide.9. The packaging system as recited in claim 8, wherein said carbon dioxide further comprises solid carbon dioxide disposed within said barrier bag.10. The packaging system as recited in claim 7, wherein said non-oxidizing gas is nitrogen. 11. The packaging system as recited in claim 7, wherein said non-oxidizing gas is a mixture of carbon dioxide and nitrogen.12. The packaging system as recited in claim 1, wherein said means for venting gases and water vapor from said barrier bag is a pressure relief valve.13. The packaging system as recited in claim 1, wherein said sealing means for closing said barrier bag is a heat seal.14. The packaging system as recited in claim 1, wherein said barrier bag is a heat shrinkable barrier bag.15. The packaging system as recited in claim 1, wherein said water containing pad comprises a wafer of open cell foam.16. The packaging system as recited in claim 15, wherein said open cell foam is made from a resin selected from the group consisting of polyethylene, polyvinyl chloride, polyacrylonitrile, poly(ethylene terephthalate), polystyrene, rubber-modified polystyrene, ethylenepolystyrene, interpolymers, polypropylene, polyurethane, polyisocyanurate, epoxy, urea formadehyde, rubber latex, silicone, fluropolymer or copolymers thereof or blends thereof.17. The packaging system as recited in claim 1, wherein said water containing pad comprises a layer of hydrophilic fabric.18. The packaging system as recited in claim 1, wherein said water containing pad comprises a superabsorbent polymer.19. The packaging system as recited in claim 1, wherein said water containing pad comprises an inorganic salt. 20. The packaging system as recited in claim 19, wherein wherein said inorganic salt is selected from the group consisting of anhydrous copper sulfate, calcium chloride, and zinc chloride, and mixtures thereof.21. A packaging system for preserving perishable moisture-containing items comprisinga shrinkable barrier bag comprising at least one compartment, and a one-way valve disposed in the wall thereof;sealing means for closing said barrier bag;a carbon dioxide gas source gas disposed within said barrier bag;a clear transparent oxygen-permeable container disposed within said barrier bag, for containment of perishable moisture containing items; anda water-containing pad disposed within said barrier bag for providing humidity within said barrier bag.22. The packaging system as recited in claim 21, wherein said carbon dioxide comprises solid carbon dioxide disposed within said barrier bag.23. The packaging system as recited in claim 21, wherein said sealing means for closing said barrier bag is a heat seal.24. The packaging system as recited in claim 21, wherein said water containing pad comprises a wafer of open cell foam.25. The packaging system as recited in claim 21, wherein said water containing pad comprises a layer of hydrophilic fabric.26. The packaging system as recited in claim 21, wherein said water containing pad comprises a superabsorbent polymer. 27. The packaging system as recited in claim 21, wherein said water containing pad comprises an inorganic salt.