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US 6,645,099 B2Granted
Moisture-absorbing rubber-covered game ball
AssigneeWilson Sporting Goods Co.
InventorsBradley L. Gaff, Hsin Feng Lin
Life of this patent
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Abstract
A game ball includes an outer spherical surface, which is formed from foamed rubber, which provides moisture-absorbing pores.
Claims10
A game ball having spherical outer surface comprising:
- an inflatable bladder,
- a layer of windings over the bladder,
- a single layer of foamed rubber molded over the layer of windings, the layer of foamed rubber forming the spherical outer surface of the ball and having pores which are open at the spherical outer surface whereby the pores can absorb moisture on the surface of the ball.
A game ball having a spherical outer surface comprising:
- an inflatable bladder;
- a layer of windings generally covering the bladder;
- and
- a plurality of rubber sheets bonded together to form the outer surface and to cover the layer of windings, each rubber sheet including a foaming agent, the rubber sheets and the foaming agent forming a cellular structure within the rubber sheets and forming a plurality of holes on the outer surface.
1 more element
Dependencies are inferred from the claim text.