Golf balls having non-uniform core structures with metal-containing centers
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United States of America Patent
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Apr 25, 2017
Issued Date -
N/A
app pub date -
Dec 29, 2015
filing date -
Sep 7, 2012
priority date (Note) -
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Abstract
Multi-piece golf balls having a solid core and cover are provided. The ball contains a small, heavy inner core and surrounding outer core layer. The inner core preferably contains metal materials such as copper, steel, brass, tungsten, titanium, nickel, iron, tin, and bronze particles dispersed in a thermoset or thermoplastic polymeric matrix. Preferably, the polymeric matrix comprises polybutadiene rubber. The outer surface of the inner core preferably has a non-uniform structure and includes projecting members. For example, the outer surface may contain multiple projecting ribs with gaps located between the ribs. The ball includes a cover surrounding the core structure. The cover may be multi-layered.
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