Patent ID: 9744735
Date: 2017-08-29
CPC Classifications: A63B,B29C,B29D,B29L

Claim:
1. A method for forming a golf ball, comprising: providing a core member comprising a core of a golf ball into a cavity of a mold so that the core member is supported by a movable holding pin disposed in the cavity of the mold; forming a layer on an outer periphery of the core member by injecting a material of the layer into the cavity of the mold; retracting the holding pin from the cavity into the mold during the injection of the material until a tip end face of the holding pin which is in contact with the core member is located at a depth of at least about 0.2 mm from a cavity wall surface of the mold so that a portion projecting from a surface of the layer is formed by the tip end face of the holding pin, the projecting portion having a height of at least about 0.2 mm; and removing the projecting portion from the surface of the layer.