FIELD: personal protection.
SUBSTANCE: invention relates to the field of personal protection, in particular to face masks, and can be used for individual protection of the respiratory system from harmful gases and airborne infections. The protective mask contains the mask itself and a means for fixing it on the head, a perforated case, a filter element, air inlet and outlet valves. The filter element is represented by a disposable mask with directional impregnation. The disposable mask is installed outside the perforated pencil case and secured to the latter by means of fastening elements of the disposable mask on the user's face. A protective screen is connected to the inner surface of the mask above the exhalation valve to direct exhaled air to the air release valve and cut off the air flow from the disposable mask.
EFFECT: improved usability.
1 cl, 11 dwg
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Authors
Dates
2023-11-21—Published
2023-03-09—Filed