FIELD: devices affording protection of person's breathing apparatus against duct, gas, smoke, vapor and harmful chemical agents.
SUBSTANCE: respirator includes half-mask with nose clip and means for respirator securing on person's head. Half-mask has pocket for nose clip arrangement and connection seam for connecting two parts of half-mask blank. Connection seam is located in mask chin region and has smoothly rounded contour of chin region transition into region mating person's bridge of nose. Half-mask is made of rectangular blank having extension in intermediate area of one of the longest blank sides to create pocket for nose clip after extension bending.
EFFECT: increased reliability and usability.
8 cl, 2 dwg
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Authors
Dates
2004-07-27—Published
2003-10-23—Filed