Tennis balls and core therefor

Details Tennis balls and core therefor Tennis balls and core therefor

1984-05-11

1986-06-03

Lieberman, Allan M.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

26099814, 524908, 525236, A63B 3900

Patent

active

045925500

ABSTRACT:
An object of the present invention is to obtain a tennis ball and a core for tennis ball which keeps high values within the ITF standard and besides has excellent durability.
That is, the present invention provides a core for tennis ball obtained by vulcanizing a rubber composition containing, in its whole rubber component, 5 to 40 weight % of a 1,2-bond containing polybutadiene and 60 to 95 weight % of a natural rubber and/or high cis-polybutadiene containing not less than 90% of a cis 1,4-bond, and tennis balls obtained therefrom.

REFERENCES:
patent: 4145045 (1979-03-01), Pockington
patent: 4306719 (1981-12-01), Haines et al.
patent: 4468496 (1984-08-01), Takeuchi et al.

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