Patent ID: 6787091
Filing Date: 2004-09-07
Classification: B29C,B29L

Abstract:
A method of molding a thin layer of a thermoset or thermoplastic material around a golf ball component within a mold, comprising:placing the golf ball component within a mold cavity defined by opposing mold potions of the mold to leave a cavity space between the component and the mold portions; holding the opposing mold portions together in a closed position by a first tonnage; providing a pre-mixed reaction mixture that comprises at least two reactants; injecting the reaction mixture under a hydraulic pressure into the cavity space to form a pressurized mixture; overcoming the first tonnage by pushing the mold portions by the pressurized mixture apart from each other to a partially open position with an opening therebetween; allowing the reaction mixture to react partially within the cavity space; compressing the mold portions toward each other to the closed position; and allowing the reaction mixture to further react to form the thin layer of the thermoset or thermoplastic material immediately about the component wherein the thin layer has a thickness of less than about 0.03 inches.