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Mold for manufacturing golf balls and golf balls

  • US 20090023520A1
  • Filed: 07/19/2008
  • Published: 01/22/2009
  • Est. Priority Date: 07/20/2007
  • Status: Active Grant
First Claim
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1. A mold for manufacturing golf balls, comprising:

  • an upper mold and a lower mold separable from each other having a spherical cavity inside thereof;

    wherein a plurality of convex portions for forming dimples are provided in the inner surface of the cavity;

    at least one of the plurality of convex portions lies over the equator of the cavity;

    a parting line, which corresponds to the boundary between the upper mold and the lower mold, extends along the inner surface of the cavity,the parting line comprises first lines extending along the peripheries of the convex portions lying over the equator and second lines connecting the first lines, andthe first line is situated apart from the periphery by a distance of 0.1 to 0.5 mm.

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