MOLD FOR GOLF BALL

摘要

PURPOSE:To obtain a mold for a golf ball, which has favorable temperature efficiency and cooling time at the time of injection or compression molding can be shortened. CONSTITUTION:In a mold 2 possessing a cavity 22 for molding a golf ball, a temperature controlling pipe part 12 is formed so that a distance L between a wall of the pipe part and wall surface of a cavity is within 5mm.