To provide a mold for molding a pipe joint having a core extraction mechanism which is simple in structure and excellent in maintenance.

In a mold for forming the hollow part of a pipe joint A with a fixed mold 1 and movable molds 4a, 4b attached contactably/separably to the side of the fixed mold 1, on the fixed mold 1 side of the movable molds 4a, 4b, a rotary piece 8 for forming the small-diameter bend of the pipe joint A is pivoted through a pin 9, and a cylinder 13 which protrudes a rod 12 in the direction of the movable mold 4a with the outside movement of the movable molds 4a, 4b and rotates the rotary piece 8 is formed in the rotary piece 8.