Easily openable fastener tape, packaging bag with easily openable fastener tape, and method of manufacturing easily openable fastener tape
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United States of America Patent
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Jun 17, 2014
Issued Date -
N/A
app pub date -
Sep 28, 2007
filing date -
Oct 2, 2006
priority date (Note) -
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Abstract
A belt-shaped base of a male member of a zipper tape attached on an inner surface of a bag body includes a main body provided with an engagement portion, a thin portion connected to an opening-side of the main body, a thick portion connected to an opening-side of the thin portion and a projecting portion provided on the thick portion. A female member is also provided with the same arrangement. When the zipper tape is fused with the bag body, a gap is provided between the thin portion and a film of the bag body and between the thin portion and a film of the bag body, so that the thin portions are easily bent.
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