Scuff and cut resistant game ball cover

Details Scuff and cut resistant game ball cover Scuff and cut resistant game ball cover

A - Human Necessities

63

B

A63B 37/00 (2006.01) B29D 99/00 (2010.01) A63B 37/12 (2006.01) B29C 71/04 (2006.01) C08K 5/14 (2006.01) B29C 35/08 (2006.01)

Patent

CA 2389962

Disclosed herein is a game ball and method for making the same. The game ball has a non-ionomeric cover which has been crosslinked by incorporating a dialkyl peroxide in the polymer mix prior to molding. The game ball cover is superior in at least one of cut resistance and scuff resistance to a conventional cover that does not have covalent crosslinks but is otherwise substantially identical in composition. The game ball cover of the invention is particularly useful for improving the durability of golf balls to be struck with sharp-grooved clubs. The peroxide may be omitted and the cover crosslinked using post formation irradiation.

La présente invention concerne une balle de jeu et un procédé de fabrication. Cette balle de jeu possède une enveloppe non ionomérique qui a été polymérisée par l'incorporation d'un peroxyde dialkyle dans le mélange polymère avant le moulage. Cette enveloppe de balle de jeu est supérieure, au moins quant à sa résistance aux coupures ou aux éraflures, à une enveloppe traditionnelle qui ne possède pas de réticulations covalentes mais qui par ailleurs est sensiblement de composition identique. L'enveloppe de balle de jeu de l'invention est particulièrement utile pour améliorer la durabilité des balles de golf frappées par des clubs fortement rainurés. On peut se passer de peroxyde et polymériser l'enveloppe par irradiation après sa fabrication.

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