RECONFIGURABLE FULL FACEMASK HAVING A CARTRIDGE MODULE FOR RESPIRATORY PROTECTION Russian patent published in 2018 - IPC A62B18/02 

FIELD: rescue service; fire fighting means.

SUBSTANCE: invention includes a mask lens that is coupled to the face seal and disposed within the lens opening, wherein said mask lens comprises an edge of the passage that forms a passage for the cartridge through a mask lens, an inner side and an outer side opposite to the inner side. Cartridge module including at least one of a filter and an air supply regulator, wherein said cartridge unit is located within said cartridge passageway and is bounded by said passage edge of said mask lens and a fixing element including a first working surface that directly contacts the lens of the mask, second working surface, which directly contacts the cartridge unit, rotation of said fixing element on the inside of the mask lens secures the mask lens and the cartridge unit in fixed positions relative to each other.

EFFECT: full face mask to be worn by a person comprises a face seal adapted to be in direct contact with a human face, said face seal forming a lens opening.

18 cl, 8 dwg