Synthetic leather covered game ball
AssigneeLisco, Inc.
InventorsAlan D. Walker, John Uaszek
Life of this patent
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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.
Claims20
A game ball for use in diamond sports comprising a spherical core, and a stitched cover encasing the core, the ball having a stitched cover to core weight ratio of less than 0.18, said ball complying with standardized regulations for said diamond sport.
A game ball for use in diamond sports comprising a spherical core, and a stitched cover formed from a substrate of nonwoven synthetic fibers impregnated with a polyurethane, the synthetic fibers being a polymeric material, the impregnated substrate having a thickness of 0.003-0.065 inches, the game ball having a stitched cover to core weight ratio of less than 0.18.
Dependencies are inferred from the claim text.