Patent ID: 6099451
Filing Date: 2000-08-08
Classification: B31B

Abstract:
A method of manufacturing a bag with a reclosable zipper, the method comprising the steps of:(a) providing an elongated web of bag film having a longitudinal axis and a width in a direction perpendicular to the axis;(b) providing a zipper segment including male and female strips of zipper engaged so that the zipper segment is in a closed condition, the zipper segment having a length approximately one-half the width of the web, one of the male and female strips including a flange;(c) providing a zipper placement head having a support strip;(d) inserting the zipper segment into the placement head, and supporting the zipper segment flange with said support strip so that the zipper segment extends generally perpendicular to the axis and so that the zipper segment extends only partially across the web;(e) moving the placement head and zipper segment generally perpendicular to and toward the web;(f) sealing one of the male and female strips of the zipper segment to the web;(g) removing the zipper segment from the placement head; and(h) folding the web over the other of the male and female strips of the zipper segment and sealing the web thereto so as to form a bag with the zipper in the mouth of the bag.