| 摘要 |
The invention relates to a pipe connection for gas pipes and water pipes, between a metal pipe end and a plastic pipe end. A connection which is permanently and reliably sealed and is corrosion-resistant between metal pipe ends and plastic pipe ends is formed in that a bell-like metal collar (4) is arranged in a sealed manner on the end of the metal pipe (2) in such a manner that an annular space (5) is formed between the larger internal diameter of the collar (4) and the end (3), which projects into the collar (4), of the metal pipe (2), in which annular space (5) a sealing ring (6) is arranged, and in that a collar-like injection moulding (9), which encloses the collar (4) of the metal pipe (2), is integrally formed on the end of the plastic pipe (1), the free internal diameter (10) of which injection moulding (9) corresponds to the internal diameter of the pipes (1, 2), and the external diameter of which injection moulding (9) is larger than the external diameter of the bell-like collar (4), the thermoplastic material of the injection moulding (9) filling the space between the free internal diameter (10) and the internal diameter of the bell-like collar (4), causing the sealing ring (6) to be prestressed. <IMAGE> |
