Improved multi-layer golf ball

Details Improved multi-layer golf ball Improved multi-layer golf ball

A - Human Necessities

63

B

A63B 37/06 (2006.01) A63B 37/00 (2006.01) C08K 3/08 (2006.01) C08L 9/00 (2006.01) C08L 23/08 (2006.01)

Patent

CA 2367381

The present invention is directed to an improved multi-layer golf ball (18) comprising a core (10), an inner layer (14) and an outer cover layer (12). The inner cover layer (14) is comprised of a high acid ionomer or ionomer blend which may or may not include a filler such as zinc-stearate. The outer cover layer (12) is comprised of a soft, very low modulus ionomer or ionomer blend, or a non-ionomeric thermoplastic elastomer such as polyurethane, polyester or polyestermide. The resulting multi-layered golf ball (18) of the present invention provides for enhanced distance without sacrificing playability or durability when compared to known multi-layer golf balls.

La présente invention concerne une balle (18) de golf multicouche améliorée comprenant un noyau (10), une couche interne (14) et une couche (12) de protection externe. La couche interne (14) est constituée d'un ionomère fortement acide ou d'un mélange d'ionomères pouvant éventuellement comprendre une charge telle que du stéarate de zinc. La couche externe (12) est constituée d'un ionomère ou d'un mélange d'ionomères mous à module très faible ou d'un élastomère thermoplastique non ionomérique tel que le polyuréthane, le polyester ou le polyesteramide. La balle (18) de golf améliorée résultante produite selon l'invention permet de jouer sur des distances plus longues sans pour autant sacrifier l'aptitude au jeu ou la durabilité comparativement aux balles de golf multicouche classiques.

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