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Injection mold for golf balls and method for preparing golf balls

  • US 5,874,038 A
  • Filed: 10/30/1997
  • Issued: 02/23/1999
  • Est. Priority Date: 11/01/1996
  • Status: Expired due to Term
First Claim
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1. In an injection mold for golf balls comprising a pair of separable mold segments each having an inner surface and a peripheral surface, the mold segments being mated at their peripheral surfaces along a parting line so that their inner surfaces define a spherical cavity, a plurality of dimple-forming projections formed on the inner surfaces of the mold segments, and a plurality of tubular gates disposed in the peripheral surfaces of the mold segments and in fluid communication with the cavity,the improvement wherein at least four gates are disposed, the peripheral surfaces of the mold segments are corrugated except for the areas where the gates are disposed, and dimple-forming projections are disposed at the corrugations so as to lie across the parting line.

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