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    • 89. 发明专利
    • Double core golf ball having opposing hardness gradient with steep gradient outer core layer
    • 双核高尔夫球具有硬度梯度与硬度梯度外核层
    • JP2012196521A
    • 2012-10-18
    • JP2012139482
    • 2012-06-21
    • Acushnet Coアクシュネット カンパニーAcushnet Company
    • BULPETT DAVID ACOMEAU BRIANLADD DEREK ASULLIVAN MICHAEL J
    • A63B37/04
    • PROBLEM TO BE SOLVED: To provide a golf ball with unique combinations of compression, "feel", and spin.SOLUTION: The golf ball includes an inner core having a first outer surface and a geometric center and being formed from a first substantially homogenous composition throughout such that the geometric center has a hardness of 35 to 85 Shore C. An outer core layer is formed about the inner core, has a second outer surface and inner surface, and is formed from a second substantially homogenous composition throughout such that the surfaces have a hardness of 55 to 90 Shore C. A cover layer is disposed about the outer core layer. The hardness of the first outer surface is greater than the hardness of the geometric center to define a "positive hardness gradient", and the hardness of the second outer surface is substantially equal to or lower than the hardness of the inner surface to define a "negative hardness gradient".
    • 要解决的问题:提供具有压缩,“感觉”和旋转的独特组合的高尔夫球。 解决方案:高尔夫球包括具有第一外表面和几何中心的内芯,并且由第一基本上均匀的组合物整体形成,使得几何中心具有35至85肖氏硬度的硬度。外芯层 围绕内芯形成,具有第二外表面和内表面,并且由第二基本均匀的组合物整体形成,使得表面具有55至90肖氏硬度的硬度。覆盖层围绕外芯层 。 第一外表面的硬度大于几何中心的硬度以限定“正硬度梯度”,并且第二外表面的硬度基本上等于或低于内表面的硬度,以限定“ 负硬度梯度“。 版权所有(C)2013,JPO&INPIT