Golf ball which includes fast-chemical-reaction-produced...

A - Human Necessities – 63 – B

Patent

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Details

A63B 37/06 (2006.01) A63B 37/00 (2006.01) C08L 75/04 (2006.01)

Patent

CA 2352318

Disclosed is a golf ball (10) comprising one or more fast-chemical-reaction- produced components, such as a component which comprises a reaction injection molded polyurethane material. A process of making a golf ball (10, 20, 30) by forming at least one core (12) and/or cover component (14) of the ball by mixing two or more reactants that react and form a reaction product with a flex modulus of 1 to 310 kpsi, with a setting time of about 30 seconds or less, the component having a thickness of at least 0.01 inches and a mold release time of 2 minutes or less is disclosed. In one preferred form of the invention, excess polyurethane from forming golf ball covers is recycled by using it to form golf ball cores.

L'invention concerne une balle de golf (10) renfermant au moins un composé produit par réaction chimique rapide, tel qu'un composé qui contient une matière en polyuréthane moulée par injection et réaction. La présente invention a également trait à un procédé de fabrication d'une balle de golf (10, 20, 30) consistant à former au moins un noyau (12) et/ou un composé de revêtement (14) de la balle par mélange d'au moins deux réactifs qui réagissent et constituent un produit de réaction avec un module de flexibilité allant de 1 à 310 kspi, le temps de réglage étant tout au plus de 30 secondes, et le composé possédant une épaisseur d'au moins 0,01 pouces et un temps de démoulage de 2 minutes maximum. Dans un mode de réalisation préféré de l'invention, on recycle l'excès de polyuréthane résultant de l'élaboration des revêtements de la balle de golf en l'utilisant pour fabriquer des noyaux de balles de golf.

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