A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 37/06 (2006.01) B29D 99/00 (2010.01) A63B 37/00 (2006.01) A63B 37/08 (2006.01) A63B 37/12 (2006.01) B29C 45/00 (2006.01)
Patent
CA 2366392
Disclosed herein is a golf ball (10, 20, 30) comprising fast-chemical-reaction-produced component, 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, 22, 32) and/or cover (14, 24, 34, 36) component of the ball by mixing two or more reactants that react and form a reaction product with a flex modulus of 5-310 kpsi in a reaction time of about minutes or less, the component having a thickness of at least 0.01 inches and a demold time of 10 minutes or less is disclosed. In one preferred form of the invention, excess polyurethane from forming golf ball covers (14, 24, 34, 36) is recycled by using it to form golf ball cores (12, 22, 32).
la présente invention concerne une balle de golf (10, 20, 30) qui comprend un composant produit par réaction chimique rapide, tel qu'un composant comprenant un matériau en polyuréthanne moulé par injection et réaction. Cette invention concerne aussi un processus de fabrication de balle de golf (10, 20, 30) qui consiste à former au moins un noyau (12, 22, 32) et/ou une enveloppe (14, 24, 34, 36) de la balle en mélangeant au moins deux réactifs qui réagissent et forment un produit de réaction à module flexible de 5-310 kpsi dans un délai de réaction d'environ 5 minutes, voire dans un délai inférieur. Ce composant possède une épaisseur d'au moins 0,01 pouce et le temps de démoulage n'excède pas 10 minutes. Dans un mode préféré de l'invention, l'excédent de polyuréthanne provenant du formage des enveloppes (14, 24, 34, 36) de balle de golf est recyclé et utilisé pour le formage des noyaux (12, 22, 32) de balle de golf.
Keller Viktor M.
Kennedy Thomas
Risen William
Callaway Golf Company
Macrae & Co.
Spalding Sports Worldwide Inc.
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