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Method for manufacturing multi-piece golf ball and a mold

  • US 20040130064A1
  • Filed: 01/08/2003
  • Published: 07/08/2004
  • Est. Priority Date: 01/08/2003
  • Status: Abandoned Application
First Claim
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1. A mold for forming an outer layer of a multi-piece golf ball comprising upper and lower parts of the mold each having one, two or more semispherical concave portions, and a middle part of the mold arranged therebetween when necessary, the middle part of the mold comprising semispherical convex portions having a radius smaller than that of the mold cavity formed by concave portions of the upper and lower parts of the mold, and a plate-like separator having a size that can cover the concave portions of the upper and lower parts of the mold, the semispherical convex portions being disposed, on both surfaces of the separator in positions corresponding to the concave portions of the upper and lower parts of the mold.

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