FILTERING-ABSORBING CARTRIDGE Russian patent published in 1999 - IPC

FIELD: production of devices for protecting respiratory organs of individuals working under hazardous conditions. SUBSTANCE: filtering-absorbing cartridge has plastic casing with cover, charge, grids, antiaerosol filter and dustproof tampon. Charge, tampon and filter are fastened by means of two grids and cover provided with annular bead and/or slots of predetermined profile conforming with bead and/or slots of similar profile on inner surface of casing. Such construction provides reliable attachment of charge and filter in casing. EFFECT: simplified cartridge equipping process, increased efficiency and reduced sizes of cartridge. 4 dwg