| 摘要 |
A pipe-end protector, consisting of a plastics body (3) provided with a bore for accommodating the pipe-end (1) to be protected and having an interior cavity connecting by means of a filling duct (6) with a filling connection which is accessible from the outside and is provided with a one-way valve, a metal ring (4) preventing the outwards expansion of said body (3), said body (3) consisting of one piece of an elastic and strong plastics material, the metal ring (4) being a closed ring completely embedded in the plastics and being sufficiently flexible for following elastic deformations of the plastics body, the body portion (10) outside said ring (4) having a sufficient thickness for providing an elastic thrust protection, the expansion cavity (8) being defined by the inner wall of said ring (4), and the filling duct (6) situated in a depression (7) formed in an end face (11) of said body (3). |
