| 摘要 |
The invention concerns a hat-shaped connection sleeve (5) for the fluid-tight joining of house service connections to a sewer pipe (1) relined with a thermoplastic inliner (3). The connection sleeve (5) comprises a thermoplastic flange (6) in the centre of which is a recess (15) whose shape and dimensions correspond approximately to the visible cross-section of the house service connection. A flat structure, which is shaped to form a tube and consists of thermoplastic fibres or threads, such as a non-woven, woven or knitted fabric or the like, is bonded at its ends in the region of the recess (15) to the flange (6). According to an alternative embodiment, the flange (6) comprises an integrally formed or bonded-on connection piece (7) to which the flat structure shaped in the manner of a tube is bonded. The invention further concerns a method for the fluid-tight joining of house service connections to a sewer pipe (1) relined with a thermoplastic inliner (3). To this end, the hat-shaped connection sleeve (5) is bonded by its flange (6) to the thermoplastic inliner (3) and the flat structure, impregnated with a hardenable agent, is pressed against the inner wall of the house service connection and bonded thereto. |
