Invention Grant
US07654917B2 Golf balls having a low modulus HNP layer and a high modulus HNP layer 有权
具有低模量HNP层和高模量HNP层的高尔夫球

Golf balls having a low modulus HNP layer and a high modulus HNP layer
Abstract:
The present invention is directed to golf balls consisting of a multi-layer core and a cover. The multi-layer core consists of a small, hard center enclosed by a soft intermediate core layer and an outer core layer. The multi-layer core includes at least one layer formed from a low modulus HNP composition and at least one layer formed from a high modulus HNP composition.
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