| 摘要 |
A plug connection for pipe with ribs, beads or the like, formed on the outside of a pipe member in a single-thread or multiple-thread fashion, with at least one annular sealing element disposed between the inserted pipe end and the overlapping pipe end or socket. The sealing element has a right-angled stepped shoulder having a dimension corresponding to the pitch. The stepped shoulder of the sealing element passes through a number of ribs corresponding to the number of threads. The ribs can be provided with grooves for the insertion of the sealing element; the sealing element can have a hollow cross section as well as having a shape, as viewed in cross section, of a semicircular external surface or a triangle with the tip thereof pointing outwardly. |
