HIGH BOUNCE STRUCTURE: SKY BALL
First Claim
Patent Images
1. An amusement ball comprising a hollow shell of a solid, rubbery and elastic material,the hollow shell having a wall thickness of 3-5 mm,the ball being filled with a gas under a pressure of 0.5-0.8 kgf/cm2, andthe ball being characterized in having a bounce capability such that when thrown downward it can bounce up to over 20 feet vertically.
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Accused Products
Abstract
A play ball having a high bounce capacity of at least 20 vertical feet and as much as 50 or 75 vertical feet is formed of a solid, elastomer thermoplastic polyurethane having a wall thickness of 3-5 mm, containing gas at a pressure preferably greater than 0.65 kfg/cm2.
13 Citations
9 Claims
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1. An amusement ball comprising a hollow shell of a solid, rubbery and elastic material,
the hollow shell having a wall thickness of 3-5 mm, the ball being filled with a gas under a pressure of 0.5-0.8 kgf/cm2, and the ball being characterized in having a bounce capability such that when thrown downward it can bounce up to over 20 feet vertically.
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9. (canceled)
Specification