Games using tangible projectile – Golf – Ball
Patent
1996-03-06
1997-02-11
Marlo, George J.
Games using tangible projectile
Golf
Ball
473351, 473280, A63B 3714
Patent
active
056015038
ABSTRACT:
A golf ball having a multiplicity of dimples in its surface is adjusted to a weight of 40 to 45 grams and a diameter of 43 to 47 mm. The dimples occupy at least 60% of the ball surface and satisfy 0.35.ltoreq.V.sub.0 .ltoreq.0.60 wherein V.sub.0 is the volume of the dimple space below a circular plane circumscribed by a dimple edge, divided by the volume of a cylinder whose bottom is the circular plane and whose height is the maximum depth of the dimple from the bottom. The ball is improved in flying performance in that it offers an adequate trajectory and an increased flying distance when hit by an ordinary golfer with a head speed of about 40 m/sec. with a driver or long iron. Hitting feel is also improved.
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patent: 3069170 (1962-12-01), Dillon
patent: 3940145 (1976-02-01), Gentiluomo
patent: 3979126 (1976-09-01), Dusbiber
patent: 4123061 (1978-10-01), Dusbiber
patent: 4836552 (1989-06-01), Purkett et al.
patent: 4840381 (1989-06-01), Ihara et al.
patent: 5368304 (1994-11-01), Sullivan et al.
Higuchi Hiroshi
Shindo Jun
Yamagishi Hisashi
Bridgestone Sports Co. Ltd.
Marlo George J.
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