| 摘要 |
Coupling piece (1) for an outer end of a multilayered conduit (28), comprising a coupling pipe (2), which is provided on the outer side with a radially upright wall (4), wherein the wall is widened in axial direction at a radial distance from the outer side of the body, wherein the outer side of the coupling pipe, the upright wall and the widened portion (6) enclose an annular insertion space (22) into which the outer end of the conduit can be directly inserted, and wherein the radial distance (d1) between the widened portion of the wall and the outer side of the coupling pipe at the position of the entry to the insertion space is such that it is equal to or greater than the wall thickness of the conduit, wherein an inner diameter of the coupling pipe increases in outward direction at the exit (25). |
