Process for pouch forming with optimized fill-accuracy and headspace
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United States of America Patent
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Feb 23, 2016
Grant Date -
Aug 26, 2010
app pub date -
Feb 17, 2010
filing date -
Feb 25, 2009
priority date (Note) -
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Abstract
This invention discloses a process for forming a pouch having an evacuated headspace containing a flowable material. The process relates to optimizing both, the evacuation of the headspace in the pouch and the accuracy of the flowable material filled in the pouch. Specifically, the present invention employs a process that includes a multiple-step or a continuous compression of the pouch headspace to accomplish the goals. Also disclosed is a vertical form-fill-seal apparatus for forming a pouch containing a flowable material and having an evacuated headspace.
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