RESPIRATOR Russian patent published in 1996 - IPC

FIELD: individual equipment for protecting respiratory organs. SUBSTANCE: respirator has carcass half-mask whose portion adhering to nose is composed of two parts defined by upper transverse stiffening rib, from which two parallel ribs go over to thin plates running around bridge and wings of nose and further into half-mask obturation strips sealing intraorbital region and cheeks. Portions of ribs and obturation strips adjacent to nose and intraorbital region as well as to locations joining with upper rib are provided with corner plates. EFFECT: increased efficiency, improved protective qualities and simplified construction. 2 cl, 4 dwg