plastic strapping foer framstaellning of profiled persiennsegment and foerfarande foer's framstaellning

摘要

A synthetic resin strip intended for use in the manufacture of profiled Venetian blind slats (2). The strip is formed with grooves (4) on its inner face in the areas thereof where, after the final treatment of the strip said inner strip face is to exhibit a bend. The grooves (4) are produced either directly in the extrusion process proper or they are cut out in the strip material after the extrusion.