发明授权
US07351166B2 Golf ball with co-injected cover 有权
高尔夫球与共注射盖

Golf ball with co-injected cover
摘要:
The present invention is directed towards a multi-layered golf ball cover, formed by a sandwich injection molding process, wherein the multi-layered cover comprises an inner layer, an outer layer, and an intermediate layer sandwiched between the inner and outer layers. The materials of the inner and outer layers may be the same as the intermediate layer, or they may be different with different properties. At least one of layers includes a foaming material.
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