GOLF BALL
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United States of America Patent
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app pub date -
Apr 18, 2017
filing date -
Jun 24, 2016
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Abstract
A golf ball 2 includes a core 4, a mid layer 6, a cover 8, and dimples 10. A difference DH in hardness between a surface and a central point of the core 4, a thickness Tm and a hardness Hm of the mid layer 6, a thickness Tc and a hardness Hc of the cover 8, and an amount of compressive deformation Sb meet the following mathematical formulas.
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