Hygienic protection for aeronautical mask comprises flexible lip for positioning mask on face and protection film, insulating skin from lip, having zone placed outside lip having structural part sealing lip and film

摘要

The facial mask which encloses the mouth and nose of the wearer (P) comprises a rigid shell held by fasteners on the wearer's face, an air inlet pipe and a flexible lip (2) for positioning the mask on the user's face. A thin elastic hygienic protection film (3) insulates the wearer's skin (1) from the lip. The film comprises a zone (1) placed outside the lip and having a structural part (5) ensuring sealing between the lip and the film. It has a zone (2) placed over all the outer part of the lip and a zone (3) which, under the effect of air pressure (PA) inside the mask is plated against the wearer's skin