FLEXIBLE PACKAGING SYSTEM AND METHOD OF USE TO ELIMINATE VALVED COFFEE BAG VACUUMIZATION DUE TO CHANGE IN ATMOSPHERIC PRESSURE
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United States of America Patent
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Issued Date -
Apr 10, 2014
app pub date -
Oct 1, 2013
filing date -
Oct 4, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A packaging system and method of use for packaging coffee in individual valved packages is disclosed. The individual valved packages are disposed within a secondary package formed of a flexible material and including a one-way pressure relief valve. The valve of the secondary package is set to open so that the secondary package internal pressure never drops below the operating pressure of the primary package degassing valves. The secondary package is disposed within a rigid container, e.g., a corrugated carton. The system and method enables shipping of the coffee packages permitting them to degass without vacuumization (bricking) irrespective of changes in atmospheric pressure encountered during the transport of the system.
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