Patent ID: 6652436
Filing Date: 2003-11-25
Classification: B65B,B65D,Y10S

Abstract:
A method of making reclosable packages each having a slider zipper assembly, comprising the steps of:advancing a web of plastic film packaging material in a direction along a longitudinal axis thereof; forming openings in said plastic film packaging material; applying a plurality of profile strip fastener assemblies to said plastic film material transversely of said longitudinal axis, said profile strip fastener assemblies being positioned in respective alignment with said openings along said longitudinal axis; each of said fastener assemblies comprising a pair of interlocking profile strips, said fastener assemblies being spaced apart by a distance corresponding to the length of each of said reclosable packages being formed; applying a slider to each of said fastener assemblies through a respective one of said openings so that movement of each said slider along the length of the respective one of said fastener assemblies moves said pair of profile strips thereof into and out of interlocking engagement; and joining opposite side edges of said plastic film material to form a tube, and forming seals transversely of said tube to form a top seal and a bottom seal for each of said packages, wherein said fastener assemblies are applied to a surface of said plastic film material which becomes an inside surface of said tube, each said slider being applied to a portion of the respective fastener assembly which is exposed through the respective one of said openings from a side of said plastic film material opposite said surface through the respective opening defined by said plastic film material.