Three-piece solid golf ball

Details Three-piece solid golf ball Three-piece solid golf ball

1997-03-10

1998-07-21

Marlo, George J.

Games using tangible projectile

Golf

Ball

473373, A63B 3706, A63B 3712, A63B 3714

Patent

active

057827079

ABSTRACT:
The invention provides a three-piece solid golf ball featuring an increased flight distance on driver shots and improved control on approach shots. In a three-piece solid golf ball consisting of a solid core, an intermediate layer, and a cover, provided that hardness is measured by a JIS-C scale hardness meter, the core center hardness is up to 75 degrees, the core surface hardness is up to 85 degrees, the core surface hardness is higher than the core center hardness by 8 to 20 degrees, the intermediate layer hardness is higher than the core surface hardness by at least 5 degrees, and the cover hardness is lower than the intermediate layer hardness by at least 5 degrees.

REFERENCES:
patent: 4431193 (1984-02-01), Nesbitt
patent: 5048838 (1991-09-01), Chikaraishi
patent: 5273286 (1993-12-01), Sun
patent: 5439227 (1995-08-01), Egashira et al.
patent: 5601503 (1997-02-01), Yamagishi et al.
patent: 5688191 (1997-11-01), Cavallaro et al.

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