Golf ball
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United States of America Patent
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N/A
Issued Date -
Jul 15, 2010
app pub date -
Jan 12, 2009
filing date -
Jan 12, 2009
priority date (Note) -
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Abstract
A golf ball is provided with a compression deformation of 2 mm and 4 mm and has a core made from a thermoplastic material, an intermediate layer made from a thermoset material, and at least one cover layer. The COR of the core falls between 0.78 and 0.89 and is higher than that of the whole golf ball. In this way, the golf ball has long flight distance and good hitting feel to fit both of the amateur golfers, whose swing speed is lower, and the low-handicap or professional golfers, whose swing speed is higher.
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