Golf ball

Details Golf ball Golf ball

2006-01-31

2006-01-31

Gorden, Raeann (Department: 3711)

Games using tangible projectile

Golf

Ball

Reexamination Certificate

active

06991565

ABSTRACT:
Disclosed herein is a golf ball having a plurality of round dimples on the surface thereof, which is characterized in that said dimples include those of two kinds or more differing in diameter such that the ratio of the maximum diameter to the minimum diameter is at least 1.5, said dimples add up to 240 to 290, with large dimples 4.7 mm or above in diameter accounting for more than 50%, and said dimples are formed such that the volume under a flat surface surrounded by the edge of each dimple divided by the volume of a hypothetical cylinder having said flat surface as the bottom and the maximum depth from the bottom as the height is 0.49 to 0.85 on average for all the dimples. The golf ball having adequately formed and arranged dimples achieves a long flying distance.

REFERENCES:
patent: 6450902 (2002-09-01), Hwang

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