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US06676541B2 Co-injection molded double covered golf ball 有权
共注射双盖高尔夫球

Co-injection molded double covered golf ball
摘要:
The present invention is directed towards a multi-layered golf ball, at least the inner cover having multiple layers formed by a sandwich injection molding process, wherein each multi-layered cover comprises an inner layer and an outer layer of a first material and an intermediate layer therebetween of a second material. The materials having different properties. An embodiment of the invention includes both covers being multi-layered formed by the sandwich injection molding process.
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