Gusset bag, spout-attached gusset bag, and method of manufacturing the same
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United States of America Patent
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Apr 25, 2017
Grant Date -
Jul 5, 2012
app pub date -
Aug 26, 2010
filing date -
Aug 26, 2009
priority date (Note) -
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Abstract
A gusset bag (10), having a pair of flat surface portions (11, 11) facing each other and a pair of side surface portions (12, 12) facing each other which are folded toward the inside, has a side edge sealing portion (13) in which the flat surface portion and the side surface portion are heat-sealed together at side edge portions thereof, and a folded-back portion (13c) in which all or a part of the side edge sealing portion in the width direction is folded back toward the flat surface portion or the side surface portion. The gusset bag and a spout-attached gusset bag (1) using the gusset bag have an excellent self-standing property, and causes one's hand to feel little pain even when being squeezed.
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