| 摘要 |
A plastics pipe part 1, both comprises a socket with an annular groove 3 for accommodating a head part 4 of a sealing member 3a as well as a sealing sleeve 5, to be accommodated in a sleeve receiving chamber 6. The head part 4 is retained by a self-centering retaining ring 9. The retaining ring 9 comprises two shoulders 11, 12, interconnected by a flexible connecting part 13, a free space 18 being present between bottom 19 of part 13 and opposite rounding 16 of the pipe part. |
