| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of water entrance and residue in a circular gap between a pipe end of a resin pipe and an outer peripheral surface of the metal pipe, and corrosion of the metal pipe caused by the residual water, in the case that the end of the resin pipe is directly and externally fitted to the end of the metal pipe. SOLUTION: An end of a flexible resin pipe 12 is externally fitted to an end of a metal pipe 10 from an axial direction for connection. In such a connection structure, an elastic ring 60 is fitted into a circular gap 58 between a flare portion 56 at the end of the resin pipe 12 and an outer peripheral surface of the metal pipe 10. It is thus possible to prevent water from entering the gap and also prevent water residue in the gap 58. |
