| 摘要 |
Pipe part (1) provided with a spigot end part (2) which is designed for insertion into a socket end part having on the inside a sealing ring, the spigot end part (2) having an outer end-structure (3) which comprises in circumferential direction in alternating fashion radially inwardly situated sections (4), and, relative to these inwardly situated sections, radially outwardly directed protuberances (5). |
