Patent ID: 6820395
Filing Date: 2004-11-23
Classification: B31B,B65B,B65D

Abstract:
A method of manufacturing a reclosable bag comprising the steps of:moving a continuous length of thermoplastic film; and attaching a fastener sequentially and crosswise with respect to the direction of movement of said film, said fastener comprising a first strip containing at least one reclosable profile interlocked with another reclosable profile that is complementary thereto and contained by a second strip, which will be subsequently attached to said film and a slider for opening and closing said fastener; wherein said first strip contains one web extending substantially laterally on one side of the profile contained thereon, said web forming a U-shape in cross-section with respect to the longitudinal direction of the first strip before said web extends toward and supports said second strip; wherein the web is attached to the film at a portion of the first strip away from said profiles and wherein portions of said first strip immediately adjacent to said profiles are free of attachment to the film.