Games using tangible projectile – Golf – Ball
Patent
1997-07-11
1999-03-30
Marlo, George J.
Games using tangible projectile
Golf
Ball
473377, A63B 3706
Patent
active
058881514
ABSTRACT:
In a wound golf ball comprising a wound core and a cover, the wound core is formed by winding thread rubber on a center ball of multi-layer structure consisting of an inner sphere and an enclosure layer. The inner sphere has a diameter of 28-37 mm and a distortion of 3.5-10 mm under a load of 100 kg. The enclosure has a melting point higher than the cover molding temperature and a Shore D hardness of 40-75. The center ball has an outer diameter of 33-38 mm and a distortion of 2.5-6 mm under a load of 100 kg. Whether the head speed is high or low, an increased flight distance and improved feel are obtained.
REFERENCES:
patent: 4295652 (1981-10-01), Saito et al.
patent: 4337946 (1982-07-01), Saito et al.
patent: 5542663 (1996-08-01), Kato et al.
Bridgestone Sports Co. Ltd.
Marlo George J.
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