Method of making form, fill, and seal bags
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United States of America Patent
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Mar 2, 2021
Grant Date -
Aug 17, 2017
app pub date -
Apr 21, 2017
filing date -
Oct 9, 2009
priority date (Note) -
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Abstract
A method is provided of making form fill and seal (FFS) bag formed at least in part from an open mesh material that includes filaments that intersect one another. At least some of the filaments are composite filaments having a carrier portion of a relatively high melting point and a bonding portion of a relatively low melting point, the bonding portion of each composite filament being thermally bonded to other filaments at points of intersection. The material may be a non-woven fabric that contains at least two layers of weft filaments that may be bordered on one or both sides by a layer of warp filaments. When compared to other open mesh materials, the open mesh material disclosed herein has a superior combination of some or all of high strength, light weight, high dimensional stability, and openness.
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