| 摘要 |
Valve body (2) including an admission port (4) and a valve (6) located in the port (4), having a flap (10) with and edge (16) which can be displaced along the wall (8) of the port (4) and characterized in that at least the edge (16) of the flap (10) is coated with the deformable material (18) which contacts the wall (8) when the edge (16) is placed on the wall (8). |
