Zipper tape and packaging bag with zipper tape
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United States of America Patent
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Feb 11, 2014
Grant Date -
Jun 23, 2011
app pub date -
Aug 25, 2009
filing date -
Aug 26, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A seal base, which is thicker than a thick portion and is bondable to an inner surface of a bag body, is continuously connected to one of belt-like bases of a zipper tape via a belt-like cutting portion that is thinner than the thick portion and separates a containing space from an outside. A first linking portion having a first corner (a) is defined by a cutting outer surface of the cutting portion and a seal outer continuous surface of the seal base. A second linking portion having a second corner (b) is defined by a contained cutting surface of the cutting portion and a contained seal continuous surface of the seal base.
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