Game ball with soft, radiation cross-linked cover containing...

Details Game ball with soft, radiation cross-linked cover containing... Game ball with soft, radiation cross-linked cover containing...

A - Human Necessities

63

B

A63B 37/12 (2006.01) A63B 37/00 (2006.01) C08J 3/28 (2006.01)

Patent

CA 2385698

Disclosed herein is a game ball and method for making the same. The game ball has an unneutralized terpolymer resin cover that has been irradiated. The unneutralized terpolymer resin includes ethylene, acrylic or methacrylic acid, and a third component selected from the group of lower alkyl acrylates and lower alkyl methacrylates. The irradiated unneutralized terpolymer resin cover is superior in at least one of cut resistance and scuff resistance to a cover substantially identical in composition but which has not been irradiated. The game ball cover of the invention is particularly useful for improving the durability of golf balls to be struck with sharp-grooved clubs.

L'invention concerne une balle de jeu et un procédé de fabrication correspondant. Ladite balle a un revêtement en résine de terpolymère non neutralisé qui a été soumis aux irradations. Ladite résine renferme de l'éthylène, de l'acide acrylique ou méthacrylique et un troisième composé sélectionné parmi le groupe des acrylates d'alkyle de faible poids moléculaire et des méthacrylates d'alkyle de faible poids moléculaire. Ledit revêtement en résine de terpolymère non neutralisé irradié présente des caractéristiques supérieures au moins sur le plan de la résistance aux coupures et de la résistance aux éraflures comparé à un revêtement pratiquement identique au niveau de la composition mais qui n'a pas été irradié. Le revêtement de la balle de jeu de cette invention s'avère particulièrement utile dans le cadre de l'amélioration de la durée de vie de balles de golf que viendront frapper des clubs particulièrement rainurés.

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