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
| Title | Year | Author | Number | 
|---|---|---|---|
| FILTERING HALF-MASK FOR PROTECTION AGAINST AEROSOLS AND DUST | 2013 | 
 | RU2550329C2 | 
| OBTURATOR FOR RESPIRATOR MADE OF FIBROUS FILTERING MATERIALS | 1992 | 
 | RU2014855C1 | 
| DEVICE FOR PROTECTING RESPIRATORY APPARATUS | 2003 | 
 | RU2250120C2 | 
| RESPIRATOR | 1992 | 
 | RU2023454C1 | 
| SEMIMASK FOR RESPIRATOR | 2001 | 
 | RU2186597C1 | 
| APPARATUS AND METHOD FOR PROTECTING RESPIRATORY ORGANS | 2001 | 
 | RU2202387C2 | 
| DUST-PROOF RESPIRATOR | 1992 | 
 | RU2068284C1 | 
| RESPIRATOR | 1995 | 
 | RU2090225C1 | 
| RESPIRATOR | 2005 | 
 | RU2297259C2 | 
| RESPIRATOR | 1992 | 
 | RU2060738C1 | 
Authors
Dates
2004-07-27—Published
2003-10-23—Filed