| 摘要 |
Diving mask comprising a face-piece having, formed therein, one or more openings for housing one or more lenses, means for fixing the lenses inside the face-piece, and means for connecting the mask to the diver's head; said face-piece (1; 2; 3; 4) is formed by at least two portions (101, 501, 601, 701, 801; 102, 602; 103, 503; 104, 504) which are stably connected together, said two portions (101, 501, 601, 701, 801; 102, 602; 103, 503; 104, 504) being respectively made using two materials which are different at least from the point of view of the rigidity, one of the two materials being more rigid than the other one. |
