| 摘要 |
The sleeve (1) has a hollow cylinder-shaped sleeve body (2) whose end is provided with a spherical or segment-like structured connecting area (5) as a thickening part. The connecting area is provided with a round cross section. Axial direction of the cross section in the connecting area is provided with an elastic rounding seal element (6). End parts of the sleeve body are provided with connecting areas. A seal element is arranged in a rounding flute (7) on the sleeve body. The seal element protrudes on the sleeve body in the radical direction. |
