Patent ID: 8556622

Claim:
A mold for injection molding comprising a stationary-side mold plate and a movable-side mold plate, in which a cavity is formed between the stationary-side mold plate and the movable-side mold plate, and an injection-molded article is injection-molded by charging the cavity with a melted resin, wherein a pin mounting hole in which a pin-shaped pin member is inserted and mounted is formed in a side-wall surface, the side-wall surface being an inner wall surface other than an inner wall surface perpendicular to a mold-removal direction of the injection-molded article among inner wall surfaces of the cavity, and on the side-wall surface in which the pin mounting hole is formed, a protruding portion protruding from the side-wall surface is formed in a surface area located on an opposite side in the mold-removal direction with respect to the pin mounting hole.