MULTI-PIECE SOLID GOLF BALL
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United States of America Patent
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Issued Date -
Dec 15, 2016
app pub date -
Apr 25, 2016
filing date -
Jun 11, 2015
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Abstract
In a golf ball having a core, a cover and an intermediate layer therebetween, the ball and a sphere consisting of the core encased by the intermediate layer have surface hardnesses which satisfy a specific relationship, the intermediate layer and the cover have thicknesses which satisfy a specific relationship, and (initial velocity of intermediate layer-encased sphere)/(initial velocity of core)≧0.995. Also, the core, the intermediate layer-encased sphere and the ball have respective deflections under given compression conditions which satisfy a specific condition. When used by golfers whose head speed is not very fast, the ball achieves a good distance on shots with a driver, in addition to which it has a soft feel and is able to retain a high spin performance on approach shots.
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