SIMPLIFIED PREVENTIVE PROTECTION APPARATUS Russian patent published in 2001 - IPC

FIELD: rescue service equipment. SUBSTANCE: apparatus for individual protection of respiratory organs has mask with attachment system, expiration unit, device arranged below mask, and flexible filtering and absorbing system composed of pack of absorbing materials. Mask is made of transparent polymer material formed as truncated cone with attachment system in its lower part and expiration unit, intercommunication means in its upper part. Expiration unit has expiration valve. Intercommunication means is free from membrane. Device arranged below mask is provided with inhalation valve. Detachable conical filtering-absorbing system is arranged above mask and has two inhalation branch pipes with valves hermetically attached at both sides to mask cheek portions. EFFECT: simplified construction and improved consumer properties. 1 dwg, 1 tbl