A method for the production of high-quality glasses means parts made of sheet material made of plastic cured

摘要

A spectacle frame blank is stamped out of the heated material e.g. acetate with precise contours, the blank is then placed in a die whose stamping press parts have front and rear surfaces negatively worked so that when closed the cavity corresponds to the frame blank, after stamping the side arms and nose pads are added and the whole frame polished and finished.