ES233420A3 - Improvements introduced in the manufacture of staples intended for zipper closures (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Perfections introduced in the manufacture of staples destined to zip fasteners that are characterized in that a roll of thread or metal profile is laminated, then subjected to a polishing, anodizing or coloring and to a drawing to obtain the nose or nipple of hook of the staple ; next, using a progressive tool, a central perforation is performed centered on the side edges and below the nose, as well as a posterior cut in the form of an inverted t that puts the hole in communication with the outside of the staple, leaving this open in the form of a and introducing and housing in that perforation the cord or edge of the tape to which they have to be sewn, proceeding to the fastening of the staple on the cord, by laterally pressing the claws produced for their final unión. It is optionally provided that the staples obtained are loose, joining the tape separately and by any mechanical means. (Machine-translation by Google Translate, not legally binding)