Solid golf ball

Details Solid golf ball Solid golf ball

1996-07-11

1998-07-07

Marlo, George J.

Games using tangible projectile

Golf

Ball

473377, 473378, A63B 3706, A63B 3712

Patent

active

057760128

ABSTRACT:
A solid golf ball comprising a core and a cover wherein the core has a diameter of not more than 36.7 mm and a hardness (JIS-C hardness) in a range from 65.5 to 72 from a center to an outer surface thereof. The core is formed from a vulcanized molded material of a rubber composition comprising a base rubber, a metal salt of an unsaturated carboxylic acid, an organic peroxide, an organosulfur compound and/or metal-containing organosulfur compound and a filler. A difference between the hardness (JIS-C hardness) at the center of the core and that at any part from the center to the outer surface of the core is not greater than 5. The cover has a specific gravity of less than 1.2, a thickness of 3 to 5 mm and a hardness (Shore-D scale hardness) of 60 to 70.

REFERENCES:
patent: 5490673 (1996-02-01), Hiraoka
patent: 5605968 (1997-02-01), Egashira et al.

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