LEAK-FREE AMERICAN FOOTBALL
First Claim
Patent Images
1. A leak-free American football, having:
- a polyurethane foam having a shape of an American football;
a covering formed on an exterior surface of the polyurethane foam and having a seam;
multiple pairs of lacing holes, each pair of the lacing holes formed in the covering respectively along two opposite sides of the seam, anda lace passing through the multiple pairs of the lacing holes to close the seam, such that the polyurethane foam is covered by the covering and the lace.
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Accused Products
Abstract
Provided is a leak-free American football, which has a polyurethane foam having a shape of an American football; a covering formed on an exterior surface of the polyurethane foam and having a seam; multiple pairs of lacing holes formed in the covering along two opposite sides of the seam, and a lace passing through the multiple pairs of the lacing holes to close the seam, such that the polyurethane foam is covered by the covering and the lace. Since the polyurethane foam is solid and elastic, the leak-free American football can maintain a desired size, shape and bounce without the need for inflation, thereby improving the stability and durability.
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Citations
20 Claims
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1. A leak-free American football, having:
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a polyurethane foam having a shape of an American football; a covering formed on an exterior surface of the polyurethane foam and having a seam; multiple pairs of lacing holes, each pair of the lacing holes formed in the covering respectively along two opposite sides of the seam, and a lace passing through the multiple pairs of the lacing holes to close the seam, such that the polyurethane foam is covered by the covering and the lace. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification