Patent ID: 6884208

Claim:
A method of manufacture comprising the following steps: (a) joining a first portion of a length of film material to a back of a length of a first flangeless zipper strip having a first closure profile on its front; (b) joining a second portion of said length of film material to a back of a length of a second flangeless zipper strip having a second closure profile on its front, said first and second closure profiles of said respective lengths of said first and second zipper strips being interlockable to form a length of string zipper assembly; (c) after steps (a) and (b), removing a first unattached marginal portion of said length of film material that extends beyond said joined first portion of said length of film material, leaving a first tail portion of said length of film material unattached to said first flangeless zipper strip; and (d) after step (c), joining said first tail portion of said length of film material to said first flangeless zipper strip.