| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealing device in which improvement in back pressure leak property is achieved. SOLUTION: By providing a groove 12a, connected with a groove 11a, on a side wall face 12 of a rubber ring 10 on the outboard side A of sealed fluid, the fluid is allowed to leak only with the elastic deformation of the rubber ring 10 without sliding thereof. |
