FILTERING FACE RESPIRATOR HAVING OPTIMIZED FACIAL FILTER LOCATION

    公开(公告)号:EP3137173A4

    公开(公告)日:2018-02-14

    申请号:EP15785254

    申请日:2015-04-28

    申请人: SCOTT TECH INC

    IPC分类号: A62B23/02 A62B18/02

    CPC分类号: A62B23/02 A62B18/025

    摘要: A respiratory mask has a filter element that is optimally position relative to the inhale and exhale of a wearer's nose and mouth in relation to the size and shape of the filter allowing a direct pathway of the airflow between the wearer's nose and mouth to the filter. A non-permeable section, incorporated in the filter element, filtering structure, the sealing area or a combination thereof, is used to direct and channel the outer dispersed boundaries of the nasal and oral flow to the filter element. The optimally positioned filter coupled with channeling of the boundary flow through the filter element reduces residency time of exhaled breath in the mask.