Hot fill container and closure and associated method

Details Hot fill container and closure and associated method Hot fill container and closure and associated method

2003-06-26

2009-11-24

Stashick, Anthony D (Department: 3781)

Bottles and jars

Closures

Barrier permeable to gas and impermeable to liquid

C215S308000, C215S341000, C220S256100, C220S361000, C220S364000, C220S373000, C220S303000

Reexamination Certificate

active

07621412

ABSTRACT:
A method for hot-filling and closing a polymer container is disclosed in which one of the closure for the container and the head space area of the container is provided with a hole covered with a hydrophobic air permeable membrane. The container is then filled with a hot liquid and the filled container is closed but for the air permeable component. The filled container is then cooled with the pressure between the interior of the container and the ambient pressure being equalized due to the air permeable membrane. Subsequent to cooling, an air-tight seal is provided over the membrane-covered hole. An associated container and closure cap is also disclosed.

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Print out of Performance Systematix, Inc. website (psix.com) description of Circumvent and Airfoil vented liner systems.

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