| 摘要 |
1. Rotary seal formed, on the one hand, by a piece a part at least of which forms an annular stop and, on the other hand, by a bellows (10) ending, on one side, in a free edge adapted to bear against said stop and, on the other side, in a sheath (9, 9'), said piece and said sheath being adapted to clamp and to be locked respectively on a shaft (1) and on the end of a tube (2) surrounding a part of said shaft, or conversely, characterized in that said stop (15, 15') is formed by a ring made from a hard and polished material (13, 13') bonded to the end of a sheath (16, 16') made from a rubbery material adapted to surround and to be locked on the shaft (1) or on the end of the tube (2). |
