Patent ID: 8388882
Filing Date: 2013-03-05
Classification: A63B,B29C,B29L

Abstract:
1. A mold for forming a urethane cover as an outermost layer of a golf ball, comprising: at least two split molds that are separably joined with each other, and that include a cavity formed therein by the joining, the cavity being for forming the urethane cover; protrusions that are formed on a cavity surface of the split molds to form dimples of the golf ball; and a composite plating film that covers the cavity surface of the split molds, that comes into contact with a material of the urethane cover, and that contains a nickel-based matrix and fluororesin particles dispersed in the nickel-based matrix, wherein the cavity surface which is covered with the composite plating film has a Vickers hardness of approximately 200 to approximately 400.