Golf ball

Details Golf ball Golf ball

1999-04-20

2000-12-05

Gerrity, Stephen F.

Games using tangible projectile

Golf

Ball

473361, 473365, 473370, 473374, 473376, 473377, A63B 3706

Patent

active

061559350

ABSTRACT:
In a golf ball comprising a core, an intermediate layer, and a cover, the core is formed primarily of polybutadiene rubber, the intermediate layer is formed primarily of a resin having an Izod impact strength of at least 50 J/m and provided on its outer surface with a plurality of recesses, and the cover is provided on its inner surface with a plurality of protrusions. The resin of which the cover is made has a higher Shore D hardness and a lower melting point than the intermediate layer-forming resin. Due to the embedment of the protrusions in the recesses, the golf ball has improved performance.

REFERENCES:
patent: 697925 (1902-04-01), Kempshall
patent: 698516 (1902-04-01), Kempshall
patent: 700658 (1902-05-01), Kempshall
patent: 1885448 (1932-11-01), Jones
patent: 2055326 (1936-09-01), Young
patent: 2364955 (1944-12-01), Diddel
patent: 2376085 (1945-05-01), Redford et al.
patent: 5439227 (1995-08-01), Egashira et al.
patent: 5490674 (1996-02-01), Hamada et al.
patent: 5692973 (1997-12-01), Dalton
patent: 5813923 (1998-09-01), Cavallaro
patent: 5820485 (1998-10-01), Hwang
patent: 5836834 (1998-11-01), Masatani et al.
patent: 5886103 (1999-03-01), Bellinger

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