Low spin golf ball having a dual core configuration

Details Low spin golf ball having a dual core configuration Low spin golf ball having a dual core configuration

A - Human Necessities

63

B

A63B 37/02 (2006.01) A63B 37/00 (2006.01) A63B 37/04 (2006.01) A63B 37/06 (2006.01) A63B 37/12 (2006.01) C08J 5/00 (2006.01) C08L 33/00 (2006.01)

Patent

CA 2356941

The present invention is directed to a golf ball having a dual, or multilayer core component that is relatively soft and a hard cover that results in the golf ball exhibiting a reduced spin rate. The dual, or multilayer core component includes a center component and a core layer, each of which is independently formed from a thermoset material, a thermoplastic material, or a blend thereof. The dual core component is relatively soft, having a Riehle compression of at least 75. The cover is preferably formed from a high acid ionomer or a certain type of alpha-olefin such that the cover has a Shore D hardness of at least 65. The cover may be a single layer cover or a multilayer cover. The golf ball of the present invention may have an enlarged diameter which serves to further reduce spin rate. The resulting golf ball exhibits properties of reduced spin without sacrificing durability, playability and resilience.

L'invention concerne une balle de golf présentant un élément à noyau double ou multicouche relativement mou et une enveloppe conférant à la balle de golf une vitesse de rotation réduite. Ledit élément comprend un élément central et une couche noyau, chacun étant individuellement à base d'un matériau thermodurci, d'un matériau thermoplastique ou d'un mélange des deux. L'élément double noyau, relativement mou, possède une compression Riehle d'au moins 75. L'enveloppe est de préférence à base d'un ionomère très acide ou un certain type d'alpha-oléfine de façon à lui conférer une dureté Shore D d'au moins 65. L'enveloppe peut être d'une couche simple ou de plusieurs couches. La balle de golf peut avoir un plus grand diamètre, ce qui permet de réduire encore la vitesse de rotation. Une telle balle de golf présente des propriétés de rotation réduite, sans pour autant sacrifier les qualités de durabilité, de jeu et de résilience.

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