发明名称 FLEXIBLE PACKAGING SYSTEM AND METHOD OF USE TO ELIMINATE VALVED COFFEE BAG VACUUMIZATION DUE TO CHANGE IN ATMOSPHERIC PRESSURE
摘要 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.
申请公布号 US2014097118(A1) 申请公布日期 2014.04.10
申请号 US201314043179 申请日期 2013.10.01
申请人 FRES-CO SYSTEM USA, INC. 发明人 BEER JEFFREY SCOTT
分类号 B65D81/20 主分类号 B65D81/20
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