FILTERING ABSORPTION BOX Russian patent published in 1998 - IPC

FIELD: medical engineering. SUBSTANCE: device has casing with neck part filled with absorption agent mixture, fixing network members, folded anti-aerosol filter manufactured from flexible material and cover. The casing has ring manufactured from semi-flexible material like polyethylene, fitted on the casing with prestress and having external thread. The cover has ring-shaped projection. Filter edge is fastened between the ring and ring-shaped projection of the cover. To fix the assemblage from outside, the box has threaded ring. EFFECT: enhanced effectiveness in protecting respiration organs under harmful production conditions. 1 dwg