To provide a mold for shaping a ball for baseball or softball, and shaping method thereof, capable of reducing a manufacturing cost for the ball for baseball or softball, and capable of satisfying outward appearance demands for the ball.
The shaping mold is characterized in: having two 8-shaped mold members corresponding to the outside shape of the ball; forming the outside shape of a sphere by curving and coupling the two mold members together, and also forming a hollow part in an inner part; providing projecting material injection grooves which communicate with inner parts of the two mold members in upper ends thereof; forming air ventilation grooves which communicate with the inner parts of the mold members on both sides of the injection grooves; forming a spherical hollow part by coupling the two mold members each other; simultaneously forming a material injection channel by coupling the two material injection grooves; and forming an air ventilation channel by coupling the two air ventilation grooves.
JPS60225581A | 1985-11-09 | |||
JPS60128660U | 1985-08-29 | |||
JPH08173576A | 1996-07-09 | |||
JPH05317527A | 1993-12-03 | |||
JPS62299281A | 1987-12-26 | |||
JPS54166968U | 1979-11-24 |