This process allows the zipper to be formed beneath the forming collar to avoid any drag during production. Allows easy changeover with minimal modifications.
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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.
This process allows the zipper to be formed beneath the forming collar to avoid any drag during production. Allows easy changeover with minimal modifications.