Games using tangible projectile – Golf – Ball
Patent
1997-03-27
1998-04-28
Marlo, George J.
Games using tangible projectile
Golf
Ball
473373, 473378, A63B 3706, A63B 3712
Patent
active
057438161
ABSTRACT:
A solid golf ball basically comprises a solid core composed of a three-layered structure, and a cover for coating the solid core therewith. The solid core comprises an inner layer, an intermediate layer having a Shore D hardness of 45 to 65, and an outer layer having a hardness lower than that of the intermediate layer. The inner layer has a hardness which is set to be lower than the hardness of the intermediate layer.
REFERENCES:
patent: 4431193 (1984-02-01), Nesbitt
patent: 5273286 (1993-12-01), Sun
patent: 5439227 (1995-08-01), Egashira et al.
patent: 5674137 (1997-10-01), Maruko et al.
patent: 5688191 (1997-11-01), Cavallaro et al.
Baba Kenji
Fukui Yasuhiro
Naito Hiroyuki
Ohsumi Shunji
Kasco Corporation
Marlo George J.
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