Rectangular multi-substrate vertical form, fill, and seal bag and method and apparatus for forming and filling same
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United States of America Patent
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Jun 21, 2016
Grant Date -
Feb 26, 2015
app pub date -
Nov 21, 2012
filing date -
Nov 21, 2012
priority date (Note) -
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Abstract
A VFFS bag is provided that is dimensionally stable, aesthetically pleasing, and renders items stored in it highly visible. The bag includes first and second gusseted side walls that span a depth of the bag and front and rear walls that span a width of the bag. The bag has a substantially rectangular closed bottom end. In order to maximize the viewabilty of stored items and reduce the amount of film material in the bag, the bag has a depth to width ratio of at least 1.5:1 at the bottom of the bag. Stability is enhanced by sizing the gussets such that they closely approach but do not overlap a line longitudinally bisecting the bag. A VFFS machine and its method of operation also are disclosed.
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