Patent ID: 6715262
Filing Date: 2004-04-06
Classification: B65B,B65D

Abstract:
A method of forming reclosable packages at a form, fill and seal (FFS) apparatus comprising the steps of:advancing a film of package making material longitudinally to form a tube while guiding opposite longitudinal edges of said film into a fin; feeding a zipper into said fin, said zipper including a first profile and a second profile, each of said profiles having an interlocking member engageable with an interlocking member of the other profile and an attached flange; guiding said zipper into position relative to the fin by capturing external surfaces of said first and second profile interlocking members within a first guide member positioned adjacent to said fin; feeding said flanges along opposite sides of a second guide member positioned within said fin while said interlocking members are captured within said first guide member; sealing a portion of each of said flanges respectively to an adjacent side of said fin while at least portions of said interlocking members are captured within said first guide member, wherein said first profile attached flange is longer than said second profile attached flange; peel sealing to the side of the fin adjacent to the second profile, a portion of the first profile flange that extends beyond the second profile flange; and attaching a slider to the zipper.