Patent ID: 7673437

Claim:
A method of applying a slider-zipper assembly to bag making film, said slider-zipper assembly comprising first and second profiled closure members that are mutually interlocked, and first and second zipper flanges respectively connected to and, at said connections, extending in substantially the same direction away from said first and second closure members when said zipper is closed, comprising the following steps: (a) placing a slider-zipper assembly on a first surface of a length of bag making film in a predetermined position, said bag making film having said first surface on one side thereof and a second surface on an opposite side thereof; (b) joining a portion of said first zipper flange to said first surface of said bag making film in a first zone of joinder while said slider-zipper assembly is in said predetermined position; (c) joining a portion of said second zipper flange to said first surface of said bag making film in a second zone of joinder while said slider-zipper assembly is in said predetermined position; and (d) advancing said bag making film with said slider-zipper assembly joined thereto toward a vertical form-fill-seal machine after steps (a) through (c) have been performed.