RESPIRATOR HEADBAND Russian patent published in 2003 - IPC

FIELD: equipment for protecting individual's respiratory organ under hazardous industry conditions. SUBSTANCE: headband has headset manufactured from polymeric material and made in the form of convex oval-shaped ring with two central transverse connecting members arranged in symmetry with respect to headset small axis, flexible strip and units for fastening strip to headset. Fastening devices are made in the form slots of various section and are secured at both ends of headset aligned along larger axis thereof. Additional transverse connecting webs are positioned at both sides of central transverse connecting webs. Two central arced connecting webs of headset are interconnected at top part of arced portion through connecting member. Additional devices for fastening of flexible strip to headset are made in the form of paired slits, one pair on each side of headset and two pairs on connecting member. All mentioned fastening devices are extending along headset larger axis. EFFECT: simplified construction and wider range of materials used for manufacture thereof. 3 cl, 5 dwg