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    • 6. 发明授权
    • Golf Ball
    • 高尔夫球
    • US5733206A
    • 1998-03-31
    • US551255
    • 1995-10-31
    • R. Dennis NesbittMichael J. SullivanTerence Melvin
    • R. Dennis NesbittMichael J. SullivanTerence Melvin
    • A63B37/00A63B37/02A63B37/14A63B37/12
    • A63B37/02A63B37/0003A63B37/0031A63B37/0033A63B37/0062A63B37/0064A63B37/0075A63B37/0092
    • The present invention is directed to improved molded golf ball core constructions and methods for improving the molded golf ball core construction. The molded golf ball comprises a molded spherical core having a soft skin integral therewith, and a cover molded over the core. The soft skin is formed by controlling exothermic molding temperatures. A slug is placed in a mold cavity which is then closed. A steam set point is set, and steam is applied for a 25-30 minute period such that a maximum mold temperature exceeds the steam set point. In the alternative, the core surface may be softened by first immersing a slug in water prior to subjecting the slug to conventional molding conditions. The resulting golf ball comprises a spherical molded core including a central portion having a hardness in a range of about 50-90 Shore C and a surface portion having a hardness in a range of about 50-70 Shore C, the surface portion integral with the central portion and comprising the radially outermost 1/32 inch to 1/4 inch of the spherical core; and a cover molded over the spherical molded core.
    • 本发明涉及改进的模制高尔夫球芯结构和改进模压高尔夫球芯结构的方法。 模制的高尔夫球包括具有与其一体的柔软皮肤的模制球形芯和在芯上成型的盖。 柔软的皮肤是通过控制放热成型温度而形成的。 将块塞放置在模腔中,然后将其封闭。 设置蒸汽设定点,并且蒸汽施加25-30分钟的时间段,使得最大模具温度超过蒸汽设定点。 在替代方案中,通过在将块塞经受常规模制条件之前首先将块塞在水中来使芯表面软化。 所得高尔夫球包括球形模制芯,其包括硬度在约50-90肖氏C的硬度的中心部分和具有在约50-70肖氏C的范围内的硬度的表面部分,所述表面部分与 中心部分并且包括球形芯的径向最外侧的+ E,fra 1/32 + EE英寸至+ E,fra 1/4 + EE英寸; 以及在球形模制芯上模制的盖。