| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrofusion joint which can maintain the thickness of an adhesive resin layer in injection molding and a method for producing the same.SOLUTION: An electrofusion joint 1 is formed by injection molding and comprises a crosslinked thermoplastic resin. The electrofusion joint comprises an adhesive resin layer 4 that is provided on the inner peripheral surface side of a joint joining part 3 and has a heating element 5 buried therein, and a protection ring 6 that is provided on a gate 11 side of a resin channel in the injection molding of the adhesive resin layer 4.SELECTED DRAWING: Figure 1 |
