Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Having solid core within outer cover; core or cover therefor
Patent
1995-12-15
1997-09-09
Marlo, George J.
Games using tangible projectile
Projectile, per se; part thereof or accessory therefor
Having solid core within outer cover; core or cover therefor
273DIG8, 273DIG9, 273DIG6, 473598, A63B 3706, A63B 3712
Patent
active
056647743
ABSTRACT:
A softball has a high end synthetic leather stitched cover formed from a low density non-woven fiber mat impregnated with polyurethane. The softball, which can be formed to meet association specifications, has a circumference of 11 or 12 inches and a cover to core weight ratio significantly less than 0.1, typically in the range of 0.08-0.16, while meeting durability requirements. The cover preferably has a thickness of 0.045-0.065 inches. Because a greater weight concentration is in the core of the ball, the ball has improved playability characteristics over conventional balls having heavier synthetic leather covers, while exhibiting a sound comparable to that of a leather covered softball when struck with a bat.
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Uaszek John
Walker Alan D.
Lisco Inc.
Marlo George J.
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