Coupling sleeve for connecting a metal pipe and a resin hose

摘要

A connecting member 20 made of elastomer, the connecting member having a molded surface, is employed, and a metal tube 30 and a resin tube 40 are fixed to both ends thereof. The resin tube 40 has an annular protrusion 42 on the outer periphery face of a connecting end 41, and press-fitted into the connecting member 20 or cure bonded, thereby being fixed to the connecting member without employing a tightening member. In addition, a one-way valve integral with or independent from the connecting member 20 can be disposed between the metal tube 30 and the resin tube 40 fixed to the connecting member 20.