Plastic ball
First Claim
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1. A plastic ball having a ball skin consisting of a skin base substance, comprising a predetermined amount of an acrylate or methacrylate stiffening material, the hardness of which is greater than that of said skin base substance to which said stiffening material is added.
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Accused Products
Abstract
A plastic ball is disclosed, in particular a PVC air ball having a ball skin consisting of a skin base substance, in which a predetermined amount of stiffening material the hardness of which is greater than that of the skin base substance is added to the skin base substance.
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Citations
22 Claims
- 1. A plastic ball having a ball skin consisting of a skin base substance, comprising a predetermined amount of an acrylate or methacrylate stiffening material, the hardness of which is greater than that of said skin base substance to which said stiffening material is added.
Specification