Patent ID: 7634892
Filing Date: 2009-12-22
Classification: B31B,B65D,Y10S

Abstract:
1. A method of manufacture comprising the following steps: (a) placing first and second portions of a length of a first web on opposing sides of a volume of space; (b) prior or subsequent to the performance of step (a), joining said first portion of said length of said first web to a back of a length of a first flangeless zipper strip having a first closure profile on its front, thereby forming a first zone of joinder; (c) prior or subsequent to the performance of step (a), joining said second portion of said length of said first web to a back of a length of a second flangeless zipper strip having a second closure profile on its front, thereby forming a second zone of joinder, respective major portions of said first and second closure profiles of said respective lengths of said first and second zipper strips being interlockable with each other; (d) inserting a slider onto said lengths of said first and second flangeless zipper strips, said first portion of said length of said first web passing between said back of said length of said first flangeless zipper strip and a first sidewall of said slider, and said second portion of said length of said first web passing between said back of said length of said second flangeless zipper strip and a second sidewall of said slider; (e) placing a separating plate between third and fourth portions of said length of said first web, said third portion of said length of said first web being disposed lower than said first portion of said length of said first web, while said fourth portion of said length of said first web is disposed lower than said second portion of said length of said first web; (f) subsequent to the performance of steps (a) through (e), concurrently joining a first portion of a length of a second web to said third portion of said length of said first web to form a third zone of joinder and joining a second portion of said length of said second web to said fourth portion of said length of said first web to form a fourth zone of joinder, a portion of said second web extending above said slider after completion of step (f); and (g) prior or subsequent to the performance of step (f), removing a third portion of said length of said second web to form a first opening that is situated so that at least a portion of said slider is exposed through said first opening after steps (a) through (f) have been performed.