发明授权
US07331878B2 Multi-layer golf ball having velocity gradient from slower center to faster cover 有权
多层高尔夫球具有从较慢的中心到更快的覆盖层的速度梯度

Multi-layer golf ball having velocity gradient from slower center to faster cover
摘要:
The present invention is directed to multi-layer golf balls having a center, a cover layer, and at least one intermediate layer between the core and the cover layer. The center, the at least one intermediate layer and the cover are constructed to have different initial velocities and COR such that the gradients of initial velocities and COR progress from a slower center to a faster cover.
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