GREEN-YELLOW COLOR GLASSES ABSORBING ULTRA-VIOLENT RADIATION, METHOD OF MANUFACTURING THESE GLASSES, AND APPLICATIONS FOR THE MANUFACTURE OF CONTAINERS

摘要

THE INVENTION CONCERNS COLORED LENSES ABSORBING ULTRA-PURPOSE RADIATION. /P P IT HAS THE OBJECT OF SILICOSODOCALCIC LENSES WITH A DOMINANT WAVELENGTH BETWEEN 565 AND 578NM, CONTAINING, BY WEIGHT, 0.18 TO 0 , 40 OF IRON EXPRESSED IN THE FORM OF FEO, 0.08 TO 0.20 OF CHROMIUM EXPRESSED IN THE FORM OF CRO, 0.01 TO 0.04 OF SULFIDES EXPRESSED IN THE FORM OF S, AND0 TO 0.015 OF COBALT EXPRESSED IN THE FORM OF COO . /P P THE GLASSES OF THE INVENTION ARE OF GREAT INTEREST, IN PARTICULAR FOR THE MANUFACTURE OF CONTAINERS FOR FOOD OR PHARMACEUTICAL PRODUCTS SENSITIVE TO ULTRA-PURPOSE RADIATION, OF WHICH THEY PROVIDE PROTECTION IN A VERY EFFECTIVE WAY.