RESPIRATOR FOR PROTECTION FROM HAZARDOUS GASES, VAPORS AND AEROSOLS Russian patent published in 2001 - IPC

FIELD: equipment for protecting individual's respiratory and visual organs. SUBSTANCE: respirator has filtering-absorbing system including pack of flexible filtering and absorbing materials. Filtering-absorbing system is made in the form of filtering mask having body joined to protective goggles, self-contained rubber obturator, and rubber member positioned under mask. Two symmetrical folds are formed on mask body in the vicinity of forehead and chin portions. Width of each fold in forehead portion makes 11 plus and minus 1% and in chin portion 22 plus and minus 1% of body perimeter. Respirator of such construction may be used in industrial and agricultural enterprises with hazardous working conditions connected with handling of paint-and-varnish materials, toxic chemicals, fertilizers etc. EFFECT: increased efficiency and simplified construction. 2 dwg, 2 tbl