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    • 5. 发明专利
    • Golf ball having hollow center
    • 高尔夫球具有中空中心
    • JP2014158683A
    • 2014-09-04
    • JP2013263251
    • 2013-12-20
    • Acushnet Coアクシュネット カンパニーAcushnet Company
    • SULLIVAN MICHAEL JBINETTE MARK LCOMEAU BRIAN
    • A63B37/00
    • PROBLEM TO BE SOLVED: To provide a golf ball that solves many problems associated with previous attempts at hollow core constructions by combining a hollow core construction with variations in the hardness of adjoining thermoplastic and/or thermoset core layers.SOLUTION: A golf ball includes a spherical inner core shell layer formed from a curable rubber composition, the shell layer having an outer surface, an inner surface, and an inner diameter to define a hollow center. A thermoplastic outer core layer is formed about the shell layer. An optional inner cover layer is formed about the outer core layer, the inner cover layer including an ionomeric material. An outer cover layer is formed over the core or optional inner cover layer, the outer cover layer including a polyurea or a polyurethane and having a second hardness less than that of the optional inner cover layer. The hollow center has a diameter of about 0.15 to 1.1 inches.
    • 要解决的问题:提供一种高尔夫球,其通过将中空芯构造与邻接的热塑性和/或热固性核心层的硬度变化相结合来解决与先前尝试中空芯构造相关的许多问题。解决方案:高尔夫球包括 由可固化橡胶组合物形成的球形内芯壳层,壳层具有外表面,内表面和内径以限定中空中心。 围绕壳层形成热塑性外芯层。 围绕外芯层形成可选的内覆盖层,内覆盖层包括离聚物材料。 在所述芯或可选的内覆盖层上形成外覆盖层,所述外覆层包括聚脲或聚氨酯并且具有小于所述可选内覆层的硬度的第二硬度。 中空中心具有约0.15至1.1英寸的直径。