| 摘要 |
The protective, respiratory, full mask has an inner mask (6) sealing sufficiently on the face, the inner mask (6) having two inhaling valves (8) in its mask wall and an exhaling valve (11) connected to the outside. The mask body (2) including the filter holder (3), the viewing window (4) and the sealing lip (5), and the inner mask (6) including the two inhaling valves (8) and the exhaling valve (11) without valve discs (10), is an injection-moulded product made of a transparent flexible material, and both the valve discs (10) and the mask junction (7) are mounted on the injection- moulded product. <IMAGE> |
