FILTERING RESPIRATORY FACE MASK WITH FRAME, WHICH IS SUPPORT FOR BREATHING VALVE Russian patent published in 2011 - IPC A62B7/10 

Abstract RU 2433845 C1

FIELD: medicine.

SUBSTANCE: invention relates to filtering respiratory face masks, which are worn by people to prevent penetration of substances or particles in user's breathing ways. Filtering face respiratory mask 10 contains system of fastening straps 14, base of mask 12 and breathing valve 38. Base of mask 12 contains support structure 16, which includes frame 32. Breathing valve 38 is fastened to mask base by fastening to said frame.

EFFECT: frame located on mask base grants goof base for fastening to mask base of breathing valve.

20 cl, 8 dwg

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RU 2 433 845 C1

Authors

Martin Filip Dzh.

Khenderson Kristofer P.

Dates

2011-11-20Published

2008-08-19Filed