GOLF BALLS HAVING PARTICLE-BASED FOAM CENTER
    41.
    发明申请
    GOLF BALLS HAVING PARTICLE-BASED FOAM CENTER 审中-公开
    高尔夫球具有基于粒子的泡沫中心

    公开(公告)号:US20150196809A1

    公开(公告)日:2015-07-16

    申请号:US14151902

    申请日:2014-01-10

    Abstract: Multi-layered, golf balls having a core made of a particle-based polyurethane foam composition are provided. The ball includes a dual-layered core having a foam inner core (center) and surrounding outer core layer. The surrounding outer core layer may be made from a non-foamed thermoset material such as polybutadiene rubber. In one embodiment, pre-expanded thermoplastic polyurethane foam beads containing a blowing agent are used to form the foam center. In another embodiment, pre-formed polyurethane foam particles are used. The foam cores have good resiliency, thermal stability, and durability over a wide temperature range. The ball further includes a cover that may be multi-layered.

    Abstract translation: 提供具有由粒状聚氨酯泡沫组合物制成的芯的多层高尔夫球。 球包括具有泡沫内芯(中心)并且围绕外芯层的双层芯。 周围的外芯层可以由非发泡的热固性材料例如聚丁二烯橡胶制成。 在一个实施方案中,使用包含发泡剂的预发泡热塑性聚氨酯泡沫珠来形成泡沫中心。 在另一个实施方案中,使用预先形成的聚氨酯泡沫颗粒。 泡沫芯在宽温度范围内具有良好的弹性,热稳定性和耐久性。 球还包括可以是多层的盖。

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