Games using tangible projectile – Golf – Ball
Patent
1997-04-01
1998-10-06
Marlo, George J.
Games using tangible projectile
Golf
Ball
473363, 473365, 473377, A63B 3706, A63B 3712
Patent
active
058169423
ABSTRACT:
A wound golf ball comprising: a center ball, thread rubber wound thereon, and a cover, wherein the center ball consists of a center core having an outer diameter of up to 37 mm and a distortion of 1 to 5 mm under a constant load of 100 kg and an enclosure layer enclosing the center core and having a Shore D hardness of up to 54. The center ball has an outer diameter of 33 to 38 mm, and the center core comprises a rubber composition having a base rubber, a co-cross linking agent and a peroxide and being free of an oily substance.
REFERENCES:
patent: 5542663 (1996-08-01), Kato et al.
patent: 5674137 (1997-10-01), Maruko et al.
patent: 5704853 (1998-01-01), Maruko et al.
Hayashi Junji
Yamagishi Hisashi
Bridgestone Sports Co. Ltd.
Marlo George J.
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