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Multi-layer core golf ball

  • US 8,556,748 B2
  • Filed: 10/22/2012
  • Issued: 10/15/2013
  • Est. Priority Date: 02/06/2004
  • Status: Expired due to Term
First Claim
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1. A golf ball comprising:

  • an inner core having a compression of less than about 60;

    at least one intermediate layer surrounding the inner core;

    at least one outer core layer surrounding the intermediate layer, having a hardness of at least about 55 Shore D and a specific gravity greater than a specific gravity of the inner core; and

    a cover surrounding the at least one outer core layer having a Shore D hardness of at least 60;

    wherein at least one of the inner core, intermediate layer and outer core layer comprises a partially or fully neutralized ionomer;

    wherein the inner core has a hardness less than a hardness of the at least one outer core layer; and

    wherein a specific gravity of the cover is less than the specific gravity of the at least one outer core layer.

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