Rohrleitung

摘要

In order to improve a piping comprising at least one pipe (20) and reinforcement (26) on the outer wall (24) of each pipe in such a way as to increase the maximum permissible internal operating pressure, it is proposed that the reinforcement should be capable of expansion along the length of the pipe and capable of contracting radially in such a way that a bias pressure can be applied to the pipe around its circumference by the longitudinal expansion of the reinforcement.