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Golf ball with multiple cover layers

  • US 8,128,515 B2
  • Filed: 04/15/2011
  • Issued: 03/06/2012
  • Est. Priority Date: 06/13/2002
  • Status: Expired due to Fees
First Claim
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1. A golf ball comprising:

  • a core;

    a cover disposed about the core, consisting essentially of;

    an inner cover layer having a first hardness, a first coefficient of friction, and a first flexural modulus, wherein the inner cover comprises a first polyurethane; and

    an outer cover layer disposed on the inner cover having a second hardness, a second coefficient of friction, and a second flexural modulus, wherein the second hardness differs from the first hardness by about 5 points or less, wherein the second coefficient of friction is greater than the first coefficient of friction, and wherein the outer cover layer comprises a second polyurethane.

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