Cutting tape and packaging bag with cutting tape
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United States of America Patent
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May 6, 2014
Grant Date -
Oct 21, 2010
app pub date -
Nov 7, 2008
filing date -
Nov 8, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A cutting tape includes a leading portion, a first base, a second base and a seal layer. The leading portion is welded on a sealant layer with the seal layer interposed therebetween. The first base and the second base, which are laminated on the leading portion, respectively include thin laminated portions and body portions to be welded on the sealant layer. The laminated portions are welded on the leading portion. The body portions respectively have a substantially trapezoidal cross section projecting toward the sealant layer and having an inclined surface adjacent to the leading portion.
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