Golf ball

Details Golf ball Golf ball

2006-12-26

2006-12-26

Gorden, Raeann (Department: 3711)

Games using tangible projectile

Golf

Ball

Reexamination Certificate

active

07153223

ABSTRACT:
Golf ball1has the diameter D of 43.0 mm or greater and 50.0 mm or less. This golf ball1includes a core2and a cover3.The core2is formed by crosslinking of a rubber composition. The cover3is composed of a resin composition. Dimples4are formed on the surface of the cover3.The specific gravity of the cover3is 1.05 or greater and 1.50 or less. The moment of inertia of this golf ball1is equal to or greater than 85.0 gcm2, and particularly equal to or greater than 88.0 gcm2. The moment of inertia is equal to or greater than the value Y calculated by the following mathematical formula (I):in-line-formulae description="In-line Formulae" end="lead"?Y=3.57·D−68.6.   (I)in-line-formulae description="In-line Formulae" end="tail"?The weight of the golf ball1is 45.00 g or greater and 45.93 g or less.

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