Multi-layer golf ball and method of making same

Details Multi-layer golf ball and method of making same Multi-layer golf ball and method of making same

A - Human Necessities

63

B

A63B 37/00 (2006.01) A63B 37/04 (2006.01) A63B 37/06 (2006.01) A63B 37/08 (2006.01) A63B 37/12 (2006.01) A63B 37/14 (2006.01) C08F 8/00 (2006.01) C08K 3/18 (2006.01) C08K 3/22 (2006.01) C08L 33/04 (2006.01) C08L 77/00 (2006.01)

Patent

CA 2424486

Disclosed herein is a multi-layer golf ball (8) having a high Mooney viscosity polybutadiene core (10), an inner cover layer (14) comprising at least one ionomer (preferably at least one high flow ionomer resin) and having Shore D hardness of about 65 or less, and an outer cover layer (16) having a different composition than that of the inner cover layer (14), comprising an ionomer, and having s Shore D hardness of more than 65. The sum of the thickness of the inner cover layer (14) and the thickness of the outer cover layer (16) is greater than 0.090 inches. A method for making the golf ball also is disclosed.

L'invention concerne une balle de golf multicouches (8) comportant un noyau de polybutadiène (10) de forte consistance Mooney, une couche de revêtement intérieure (14) comportant au moins un ionomère (de préférence au moins une résine ionomère à flux élevé) et ayant une dureté Shore D d'environ 65 ou moins, et une couche de revêtement extérieure (16) ayant une composition différente de celle de la couche de revêtement intérieure (14), comportant un ionomère et ayant une dureté Shore D de plus de 65. La somme de l'épaisseur de la couche de revêtement intérieure (14) et de l'épaisseur de la couche de revêtement extérieure (16) est supérieure à 0,090 pouces. L'invention concerne également un procédé de fabrication d'une telle balle de golf.

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