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    • 5. 发明专利
    • Multi-piece golf ball comprising low hardness gradient core
    • 多层高尔夫球包含低硬度梯度核心
    • JP2012120846A
    • 2012-06-28
    • JP2011269512
    • 2011-12-09
    • Acushnet Coアクシュネット カンパニーAcushnet Company
    • COMEAU BRIANSULLIVAN MICHAEL JJONES DOUGLAS ELADD DEREK A
    • A63B37/00A63B37/04
    • PROBLEM TO BE SOLVED: To achieve a multi-layer golf ball having single layer core that has a shallow soft-to-hard ("positive") hardness gradient, from the surface to the center.SOLUTION: The golf ball includes a single core formed from a substantially homogenous rubber composition, an inner cover disposed about the core, and an outer cover. The inner cover includes an ionomeric material and has a hardness of about 60 Shore D or greater. The outer cover layer is disposed about the inner cover layer, is formed from a castable polyurea or polyurethane, and has a material hardness of about 60 Shore D or less. The outer surface of the core has a trans content of about 12% or less and a hardness of about 71 to 88 Shore C, the geometric center of the core has a trans content of about 10% or less and a hardness of about 70 to 80 Shore C, and the core surface hardness is greater than the geometric center hardness by about 1 to 10 Shore C to define a shallow positive hardness gradient.
    • 要解决的问题:为了实现从表面到中心具有浅的软硬(“正”)硬度梯度的具有单层芯的多层高尔夫球。 解决方案:高尔夫球包括由基本均匀的橡胶组合物形成的单个芯,围绕芯设置的内盖和外盖。 内盖包括离聚物材料,硬度为约60肖氏D或更高。 外覆盖层围绕内覆盖层设置,由可浇注的聚脲或聚氨酯形成,并且具有约60肖氏D或更低的材料硬度。 芯的外表面的反式含量为约12%或更低,硬度为约71至88肖氏C,芯的几何中心的反式含量为约10%或更低,硬度为约70至 80肖氏C,并且芯表面硬度大于几何中心硬度约1至10肖氏C以限定浅正硬度梯度。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Golf ball with multi-layer core
    • 高尔夫球与多层核心
    • JP2005111246A
    • 2005-04-28
    • JP2004047868
    • 2004-02-24
    • Acushnet Coアクシュネット カンパニーAcushnet Company
    • SULLIVAN MICHAEL JLADD DEREK ADESIMAS ANTONIO U
    • A63B37/02A63B37/00
    • PROBLEM TO BE SOLVED: To realize the primary characteristics of a golf ball with a standardized thickness of core layers. SOLUTION: This golf ball comprises at least three core layers and one cover with dimples. The core may include three layers A, B and C, four layers A, B, C and D, five layers A, B, C, D and E or six layers A, B, C, D, E and F at its maximum. The radius or the thickness of each layer are made to more than doubles at least the outer layer adjacent thereto. One outer core layer serves as a steam barrier layer to eliminate the infiltration of the steam into the ball, thereby preventing the degrading of the characteristics of the ball due to the infiltration of the steam. Other outer core layers are made as thin high-density layers with a larger specific weight to increase the inertial moment of the rotation, thereby reducing the spin in the flight. Other outer core layers may be made as hollowed ball shells to increase the elasticity and the coefficient of resilience. Other outer core layers are made as cushion layers to be used as impact absorbing members. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:实现具有标准厚度的芯层的高尔夫球的主要特性。 解决方案:该高尔夫球包括至少三个核心层和一个具有凹坑的盖。 芯可以包括三层A,B和C四层A,B,C和D,五层A,B,C,D和E或六层A,B,C,D,E和F最大 。 每层的半径或厚度至少使至少与其相邻的外层加倍。 一个外芯层用作蒸汽阻隔层,以消除蒸汽渗入球中,从而防止由于蒸汽渗透导致球的特性降低。 其它外芯层被制成具有较大比重的薄的高密度层,以增加旋转的惯性力矩,从而减少飞行中的旋转。 其它外芯层可以制成中空的球壳,以增加弹性和弹性系数。 其它外芯层被制成缓冲层以用作冲击吸收件。 版权所有(C)2005,JPO&NCIPI