PROTECTIVE MASK, INNER WALL, COVER AND OUTER WALL FOR PROTECTIVE MASK, AND METHOD FOR DECREASING AIR MIXING BY MEANS OF PROTECTIVE MASK Russian patent published in 2001 - IPC

FIELD: protective devices used in performing welding works. SUBSTANCE: protective mask positioned in front of user's face has at least one supporting device adapted for retaining of protective mask and equipped with at least one air reflector for diverting exhaled air by guiding effect and kinetic energy of exhaled air from region adjacent to user's nose and mouth. Inhaled air is supplied to mentioned region in directions other than that through which exhaled air is guided. Such construction allows inhaled and exhaled air flows to be separated. EFFECT: simplified construction and effective diversion of exhaled air from under protective mask. 15 cl, 12 dwg