| 摘要 |
PURPOSE: A mold for baseballs or softballs and a molding method thereof are provided to improve the quality and production efficiency of baseballs or softballs. CONSTITUTION: A mold for baseballs or softballs comprises two mold members(30,40) which correspond to the outer shape of a ball. Two mold members are combined with each other and comprise a hollow unit which forms the outer shape of a sphere. In the upper part of two mold members, input grooves(33,43) are formed. The hollow of the sphere is formed by combining two molds. A material injection channel is formed by combining two input grooves.
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