This process allows the zipper to be formed beneath the forming collar to avoid any drag during production. Allows easy changeover with minimal modifications.
Companies in this article
F/f/s retrofit
Presto Products (Appleton, WI) has introduced a patented technology for retrofitting draw bar vertical f/f/s equipment so that it can be used with Presto's Fresh-Trak® reclosable zipper.
Nov 30, 1994
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