Reclosable packaging using a low-tack adhesive fastener
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United States of America Patent
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Nov 22, 2016
Grant Date -
Jan 31, 2013
app pub date -
Jul 28, 2011
filing date -
Jul 28, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A flexible film package having an adhesive based reclosable fastener having a flexible film substrate forming a plurality of package walls sealed to form an interior cavity for receiving a product; the plurality of walls having at least two opposing flexible walls; a package mouth, initially sealed, to permit access to the interior cavity; a low tack pressure sensitive adhesive (LTPSA) layer disposed on each of an exterior surface of the parallel walls, the LTPSA sized and oriented in positions to oppose one another at a plurality of positions when the package is reclosed to allow progressively decreased size of the interior cavity as product is removed; and wherein a bond strength of the LTPSA to the flexible film substrate is greater than an adhesion between LTPSA areas. The mouth can be formed by a peelable seal or by a defined area of weakness.
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