RESPIRATOR IN FORM OF FILTERING FACE MASK WITH ROUND PERIMETER Russian patent published in 2017 - IPC A62B18/02 

Abstract RU 2608809 C1

FIELD: individual protection means.

SUBSTANCE: respirator comprises fastening assembly and mask case containing filtration structure with top part, lower part, upper section of perimeter, lower section of perimeter, front separation line, as well as first and second line of fastening, wherein first and second lines of fastening are located on opposite sides of mask case and connect upper part of mask case with its lower part, wherein first and second lines are made extended from front separation line to upper and lower sections of perimeter, wherein when mask case is laid in flat state, upper and lower sections of perimeter contain upper linear section and lower linear section, respectively arranged between first and second curved parts, arranged on opposite ends of upper and lower linear sections, wherein each of first and second curved parts in each of upper and lower sections of perimeter is extended from corresponding upper or lower linear section to first and second lines of fastening.

EFFECT: respirator in form of filtering face mask is disclosed.

13 cl, 7 dwg

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RU 2 608 809 C1

Authors

Duffy Dean R.

Dates

2017-01-24Published

2013-12-11Filed