Golf ball

Details Golf ball Golf ball

1998-04-29

1999-10-19

Marlo, George J.

Games using tangible projectile

Golf

Ball

473374, 473384, A63B 3706, A63B 3712, A63B 3714

Patent

active

059679085

ABSTRACT:
A golf ball includes a solid core, an intermediate layer, and a cover having dimples formed therein. The core has a Shore D hardness at the surface of 30-48, the intermediate layer has a Shore D hardness of 53-60, and the cover has a higher Shore D hardness of 55-65. In the cover, 370 to 450 dimples of at least two types having different diameters and/or depths are distributed so as to cover at least 63% of the ball surface. The index Dst of the overall dimple surface area is at least 4. The golf ball provides significantly improved flight distance and a good feel by virtue of a good balance in hardness and optimized dimple characteristics.

REFERENCES:
patent: 5779562 (1998-07-01), Melvin et al.
patent: 5779563 (1998-07-01), Yamagishi et al.
patent: 5820487 (1998-10-01), Nakamura et al.
patent: 5820492 (1998-10-01), Yamagishi et al.

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