| 摘要 |
1. Escape filtering apparatus having : a protective hood (1) ; an internal half-mask (4), a face abutting portion of which is provided with a cutaway region (11) ; a respiratory filter (6), which is arranged externally of the hood in a receiving portion (5) which extends through material forming the protective hood (1) ; and a banded structure (8), which can be put on by means of lugs ; characterized in that the cutaway region (11) is bordered by a lip which forms a surface (10) for abutting the face of a wearer, in that the lip edge, which defines the cutaway region (11), is urged towards a wall of the mask and in that the mask wall, the lip and a support are constructed with a substantially triangularly-shaped cross-section and form a supporting section (13) which tapers off into a flap (15) which lies alongside the bridge of the nose. |
