Golf balls and methods of manufacturing the same

Details Golf balls and methods of manufacturing the same Golf balls and methods of manufacturing the same

A - Human Necessities

63

B

A63B 37/06 (2006.01) A63B 37/12 (2006.01) A63B 45/00 (2006.01) B29C 43/20 (2006.01) B29C 44/00 (2006.01) B29C 45/16 (2006.01) B29C 70/70 (2006.01) A63B 37/00 (2006.01)

Patent

CA 2341514

A method of manufacturing golf balls (25) that prevents the cover (22) from cracking due to thermal expansion of the core (20) during the cover (22) formation process is disclosed herein. The method includes the forming a core (20), with one or more optional boundary layers (21), and then pre-heating the core (20) and any boundary layer (21) to generate volumetric thermal expansion thereof. After the pre-heating, the cover (22) of the golf ball (25) is formed over the core (20) and any boundary layer (21). The method of the present invention also decreases cover (22) molding cycle time for golf balls (25).

L'invention concerne un procédé de fabrication de balles de golf (25), visant à prévenir une fissure du revêtement extérieur (22) due à l'expansion thermique du noyau (20) lors du processus de formation du revêtement extérieur (22). Ledit procédé consiste à former un noyau (20), avec une ou plusieurs couches limite éventuelles (21), puis à préchauffer le noyau (20) et les couches limite (21) afin de générer leur expansion thermique volumétrique. Suite au préchauffage, le revêtement extérieur (22) de la balle de golf (25) est formé sur le noyau (20) et les couches limite (21). Le procédé de la présente invention diminue également le temps du cycle de moulage du revêtement extérieur (22) des balles de golf (25).

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