Patent ID: 9499309
Filing Date: 2016-11-22
CPC Classification: B31B,B65B,B65D

Claim Text:
1. A flexible film package having an adhesive based reclosable fastener, comprising: 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 to permit access to the interior cavity, wherein the package mouth is initially sealed; a low tack pressure sensitive adhesive (LTPSA) layer consisting of a partial portion of a length transverse to the package mouth of each of an exterior surface of the at least two opposing flexible walls, the LTPSA layers sized and oriented at least in part in opposite positions to one another when the package is open and 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 layers to the flexible film substrate is greater than an adhesion between LTPSA layers.