| 摘要 |
PROBLEM TO BE SOLVED: To obtain a resin pipe fusing jig capable of fusing a pipe large in SDR being the ratio of the diameter and wall thickness of the pipe under sufficient resin pressure without leaving a core in the pipe and capable of easily correcting the pipe to a perfect circle state. SOLUTION: A resin pipe fusing jig being a cylindrical body wherein an outer surface 4a is a parallel surface 4a and an inner surface 4c is set to be an inclined surface which increases in thickness toward one end 4b consists of split cylindrical bodies 4...4 formed by dividing the cylindrical body in the circumferential direction, a base plate 5 supporting each one end parts 4b of the split pieces 4 of the respective split cylindrical bodies 4 movably parallelly in the diameter direction of the cylindrical body, a conical trapezoidal member 6 with the outer periphery concentrically arranged in the space 7 surrounded by the split pieces 4 of the cylindrical body in a state that the inner surface 4c increasing in wall thickness toward to one end 4b is provided along the inclined surface, and a drive member 8 allowing the conical trapezoidal member 6 to forcibly approach and move in the direction of a base plate 5. |
