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    • 9. 发明申请
    • A GOLF BALL WITH AN AERODYNAMIC SURFACE ON A POLYURETHANE COVER
    • 聚氨酯盖子上有高频表面的高尔夫球
    • WO0119464A9
    • 2002-12-27
    • PCT/US0025402
    • 2000-09-14
    • CALLAWAY GOLF CO
    • OGG STEVEN S
    • A63B37/00A63B37/12A63B37/14
    • A63B37/0004A63B37/0006A63B37/0012A63B37/0019A63B37/002A63B37/0021A63B37/0022A63B37/0033A63B37/0084A63B37/0089A63B37/009
    • A dimple pattern for a golf ball (20) with a thermoset polyurethane cover (21) is disclosed herein. The dimple pattern has multiple sets of dimples (34, 36, 38, 40, 42, 44 and 46), each set of dimples (34, 36, 38, 40, 42, 44 and 46) having a different diameter. A preferred set of dimples (34, 36, 38, 40, 42, 44 and 46) is seven different dimples (34, 36, 38, 40, 42, 44 and 46). The dimples (34, 36, 38, 40, 42, 44 and 46) may cover as much as eighty-six percent of the surface (22) of the golf ball (20). The unique dimple pattern allows a golf ball (20) with a thermoset polyurethane cover (21) to have shallow dimples (34, 36, 38, 40, 42, 44 and 46) with steeper entry angles. The unique dimple pattern also allows a golf ball (20) with a thermoset polyurethane cover (21) to have greater low speed lift with a lower high speed drag.
    • 本文公开了具有热固性聚氨酯盖(21)的高尔夫球(20)的凹坑图案。 凹坑图案具有多组凹坑(34,36,38,40,42,44和46),每组具有不同直径的凹坑(34,36,38,40,42,44和46)。 一组优选的凹坑(34,36,38,40,42,44和46)是七个不同的凹坑(34,36,38,40,42,44和46)。 凹坑(34,36,38,40,42,44和46)可以覆盖高尔夫球(20)的表面(22)的多达百分之八十六。 独特的凹坑图案允许具有热固性聚氨酯盖(21)的高尔夫球(20)具有较浅入口角度的浅凹坑(34,36,38,40,42,44和46)。 独特的凹坑图案还允许具有热固性聚氨酯盖(21)的高尔夫球(20)具有较低的低速提升,具有较低的高速阻力。