GUSSET BAG AND SPOUT-ATTACHED GUSSET BAG
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Dec 20, 2016
filing date -
Aug 26, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A gusset bag includes: a pair of flat surface portions facing each other; and a pair of side surface portions facing each other and folded inward of the gusset bag. A containing portion used to contain an object is formed using the flat surface portions and the side surface portions. The gusset bag has a side edge-sealing portion in which a side edge portion of a flat surface portion of the flat surface portions and a side edge portion of a side surface portion of the side surface portions are heat-sealed together, and a folded-back portion in which the entire side edge-sealing portion is folded back and affixed to the flat surface portion or the side surface portion that forms the containing portion. The peel strength of the folded-back portion is lower than the peel strength of the side edge-sealing portion.
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