Receptacles – Receptacle having flexible – removable inner liner – Means for venting air trapped between the liner and its...
Patent
1991-01-28
1992-10-20
Moy, Joseph Man-Fu
Receptacles
Receptacle having flexible, removable inner liner
Means for venting air trapped between the liner and its...
222105, 222183, 220403, 220712, 220714, B65D 9004, B67B 726
Patent
active
051562952
ABSTRACT:
A carton construction for paperboard cartons such as those adapted to certain fruit juices or other potable liquids which require a barrier to protect the liquid. Present paperboard cartons for such liquids often include polymeric barrier layer materials and foils laminated to the paperboard or other stiff, foldable and resilient sheet material. Such barrier layer/foil materials increase the difficulty of recycling the paperboard after container use. Further, during the carton forming/sealing process, the polymeric surfaces of the container are heated to activate a heat sealable bond. This heating tends to crystallize the polymer and generate polymeric odors that are transmitted to the liquid product. These difficulties are overcome in the present invention by a bag and spout construction wherein the bag and spout are removed from the carton after use, thus permitting recycling of both the paperboard carton and the bag. In those situations requiring aseptic packaging of the liquid, the bag can be presterilized prior to its filling.
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Bernstein Linda A.
Gordon Robert L.
Doyle Michael J.
International Paper Company
Man-Fu Moy Joseph
Zielinski Walt Thomas
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