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US 5,460,367 AGranted
Pressureless tennis ball
AssigneeSumitomo Rubber Industries, Ltd.
InventorKuniyasu Horiuchi
Life of this patent
Estimating the term…
Abstract
A pressureless tennis ball which has excellent rebound properties and produces a satisfactory feeling of striking retained over a long period of time, the tennis ball having a hollow spherical core made from a rubber composition containing 3 to 50% by weight of a trans-polyoctenamer rubber based on the whole rubbers used.
Claims8
A pressureless tennis ball comprising a hollow spherical core and a cover therefor, said core being made from a rubber composition comprising a rubber component containing 3 to 50% by weight of a trans-polyoctenamer rubber.
Dependencies are inferred from the claim text.