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Solid golf ball

  • US 6,416,425 B1
  • Filed: 07/10/2000
  • Issued: 07/09/2002
  • Est. Priority Date: 07/09/1999
  • Status: Expired due to Term
First Claim
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1. A multilayer solid golf ball comprising a core and a cover of four layers, characterized in that a first layer of the cover enclosing the core has a Shore D hardness of at least 55, a second layer of the cover enclosing the first layer has a Shore D hardness of up to 45, the difference in hardness between a third layer of the cover enclosing the second layer and the second layer is at least 5 Shore D units, and a fourth layer of the cover enclosing the third layer is made harder than the third layer.

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