Releasable Heat Seal Wrapper
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United States of America Patent
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Issued Date -
Mar 26, 2009
app pub date -
Sep 26, 2007
filing date -
Sep 26, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An easy-open wrapper is in the form of a thin sheet having a heat sealable, polymeric material surface and a coating thereon, and a foldable end flap for folding and closing, and the end flap has a heat activated sealant thereon to form one or more heat activated seals bonding to the coating on the polymeric material surface and holding the end flap closed. The sealant has a heat activated tear strength or adhesive bond strength, or both, substantially less than that of the polymeric material surface to open a closed end flap by tearing or de-bonding the sealant without tearing the polymeric material surface.
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