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    • 11. 发明授权
    • Three-piece solid golf ball
    • 三件式固体高尔夫球
    • US07513837B2
    • 2009-04-07
    • US11519866
    • 2006-09-13
    • Junji UmezawaKazufumi Tabata
    • Junji UmezawaKazufumi Tabata
    • A63B37/06
    • C08G18/7671A63B37/0004A63B37/0018A63B37/0019A63B37/002A63B37/0031A63B37/0033A63B37/0043A63B37/0045A63B37/0063A63B37/0065A63B37/0075A63B37/0092C08L75/04C08L2666/20
    • A three-piece solid golf ball having a solid core, an intermediate layer enclosing the solid core, and a cover layer enclosing the intermediate layer and having a large number of dimples formed in its surface, characterized in that the core deforms as much as 2.6 to 3.2 mm under a load which changes from 10 kg to 130 kg, the cover layer is formed mainly from thermoplastic polyurethane such that it has a lower hardness than the intermediate layer, a surface hardness of the cover layer being 58 to 64 in terms of Shore D hardness, with the difference in hardness between the cover layer and the intermediate layer being 4 to 10 in terms of Shore D hardness, the intermediate layer and the cover layer have a total thickness of 2.2 to 3.0 mm, the cover layer has a thickness of 0.8 to 1.3 mm, and the dimples have at least four different diameters and/or depths, with the average depth being 0.125 to 0.150 mm, and amount to 250 to 390 in all. The three-piece solid golf ball exhibits adequate spin performance by iron shot and approach shot. It also exhibits good flying performance.
    • 一种具有实芯的三件式实心高尔夫球,包围实芯的中间层,以及包围该中间层并在其表面形成大量凹坑的覆盖层,其特征在于,所述芯变形多达2.6 在从10kg变化到130kg的负荷下为3.2mm,覆盖层主要由热塑性聚氨酯形成,使得其具有比中间层更低的硬度,覆盖层的表面硬度为58至64 肖氏D硬度,以邵氏D硬度计,覆盖层和中间层之间的硬度差为4〜10,中间层和覆盖层的总厚度为2.2〜3.0mm,覆盖层为 厚度为0.8至1.3mm,凹坑具有至少四个不同的直径和/或深度,平均深度为0.125至0.150mm,总计为250至390。 三件式实心高尔夫球通过铁杆射门和射门方式表现出足够的旋转性能。 它也表现出良好的飞行性能。
    • 14. 发明授权
    • Three-piece solid golf ball
    • 三件式固体高尔夫球
    • US07278929B2
    • 2007-10-09
    • US11120961
    • 2005-05-04
    • Junji UmezawaKazufumi TabataHiroyuki NagasawaYoshihiro YamanaHidekazu SaitoHiroki Kimura
    • Junji UmezawaKazufumi TabataHiroyuki NagasawaYoshihiro YamanaHidekazu SaitoHiroki Kimura
    • A63B37/06
    • A63B37/0033A63B37/0018A63B37/0021A63B37/0031A63B37/0043A63B37/0063A63B37/0065A63B37/0075
    • A three-piece solid golf ball composed of a solid core, an intermediate layer which encloses the core, and a cover layer which encloses and is softer than the intermediate layer is characterized in that the solid core undergoes a deflection of 2.8 to 3.6 mm when a load of 130 kg is applied thereto from an initial load of 10 kg and has a surface hardness and a center hardness which differ by at least 15 Shore D hardness units; the intermediate layer has a surface hardness which differs from the surface hardness of the solid core by not more than 12 Shore D hardness units; and the cover layer has a surface hardness which differs from the surface hardness of the intermediate layer by at least 7 Shore D hardness units, is made primarily of a thermoplastic polyurethane, and has a thickness in a range of 0.5 to 1.3 mm. This combination of features provides an overall outstanding golf ball endowed with excellent flight characteristics, excellent controllability and durability, and a soft feel on impact.
    • 由实心芯,围绕芯的中间层和封闭并且比中间层更软的覆盖层组成的三件式实心高尔夫球的特征在于,当实心芯经历2.8至3.6mm的偏转时 从10kg的初始载荷施加130kg的载荷,其表面硬度和中心硬度相差至少为15肖氏D硬度单位; 中间层的表面硬度不同于实心芯的表面硬度不超过12肖氏D硬度单位; 并且覆盖层具有与中间层的表面硬度不同至少7肖氏D硬度单位的表面硬度,主要由热塑性聚氨酯制成,并且具有0.5至1.3mm的厚度。 这种特征的组合提供了具有优异的飞行特性,优异的可控性和耐久性以及柔软的冲击感的整体杰出的高尔夫球。
    • 15. 发明授权
    • Three-piece solid golf ball
    • 三件式固体高尔夫球
    • US07140979B2
    • 2006-11-28
    • US11056206
    • 2005-02-14
    • Junji UmezawaKazufumi Tabata
    • Junji UmezawaKazufumi Tabata
    • A63B37/06
    • A63B37/0004A63B37/0003A63B37/0018A63B37/0019A63B37/002A63B37/0031A63B37/0033A63B37/0043A63B37/0045A63B37/0062A63B37/0075
    • A three-piece solid golf ball having a solid core, an intermediate layer enclosing the solid core, and a cover layer enclosing the intermediate layer and having a large number of dimples formed in its surface, characterized in that the core deforms as much as 3.4 to 4.1 mm under a load which changes from 10 kg to 130 kg, the intermediate layer has a surface hardness of 64 to 69 in terms of Shore D hardness, the cover layer is formed mainly from thermoplastic polyurethane such that it has a lower hardness than the intermediate layer, with the difference in hardness between the cover layer and the intermediate layer being 10 to 16 in terms of Shore D hardness, the intermediate layer and the cover layer have a total thickness of 2.2 to 3.0 mm, the cover layer has a thickness of 0.8 to 1.3 mm, and the dimples have at least four different diameters and/or depths, with the average depth being 0.14 to 0.17 mm, and amount to 250 to 390 in all. The three-piece solid golf ball exhibits adequate spin performance by iron shot and approach shot. It also exhibits good flying performance and durability.
    • 具有实心芯体的三件式实心高尔夫球,包围实芯的中间层,以及包围中间层并且在其表面上形成大量凹坑的覆盖层,其特征在于,所述芯变形多达3.4 在从10kg变化到130kg的负荷下,中间层的表面硬度为肖氏D硬度为64〜69,覆盖层主要由热塑性聚氨酯形成,其硬度比 覆盖层和中间层之间的硬度差为肖氏D硬度为10〜16的中间层,中间层和覆盖层的总厚度为2.2〜3.0mm,覆盖层为 厚度为0.8至1.3mm,凹坑具有至少四个不同的直径和/或深度,平均深度为0.14至0.17mm,总计为250至390。 三件式实心高尔夫球通过铁杆射门和射门方式表现出足够的旋转性能。 它还具有良好的飞行性能和耐久性。
    • 19. 发明申请
    • Three-piece solid golf ball
    • 三件式固体高尔夫球
    • US20070015606A1
    • 2007-01-18
    • US11519866
    • 2006-09-13
    • Junji UmezawaKazufumi Tabata
    • Junji UmezawaKazufumi Tabata
    • A63B37/04
    • C08G18/7671A63B37/0004A63B37/0018A63B37/0019A63B37/002A63B37/0031A63B37/0033A63B37/0043A63B37/0045A63B37/0063A63B37/0065A63B37/0075A63B37/0092C08L75/04C08L2666/20
    • A three-piece solid golf ball having a solid core, an intermediate layer enclosing the solid core, and a cover layer enclosing the intermediate layer and having a large number of dimples formed in its surface, characterized in that the core deforms as much as 2.6 to 3.2 mm under a load which changes from 10 kg to 130 kg, the cover layer is formed mainly from thermoplastic polyurethane such that it has a lower hardness than the intermediate layer, a surface hardness of the cover layer being 58 to 64 in terms of Shore D hardness, with the difference in hardness between the cover layer and the intermediate layer being 4 to 10 in terms of Shore D hardness, the intermediate layer and the cover layer have a total thickness of 2.2 to 3.0 mm, the cover layer has a thickness of 0.8 to 1.3 mm, and the dimples have at least four different diameters and/or depths, with the average depth being 0.125 to 0.150 mm, and amount to 250 to 390 in all. The three-piece solid golf ball exhibits adequate spin performance by iron shot and approach shot. It also exhibits good flying performance.
    • 一种具有实芯的三件式实心高尔夫球,包围实芯的中间层,以及包围该中间层并在其表面形成大量凹坑的覆盖层,其特征在于,所述芯变形多达2.6 在从10kg变化到130kg的负荷下为3.2mm,覆盖层主要由热塑性聚氨酯形成,使得其具有比中间层更低的硬度,覆盖层的表面硬度为58至64 肖氏D硬度,以邵氏D硬度计,覆盖层和中间层之间的硬度差为4〜10,中间层和覆盖层的总厚度为2.2〜3.0mm,覆盖层为 厚度为0.8至1.3mm,凹坑具有至少四个不同的直径和/或深度,平均深度为0.125至0.150mm,总计为250至390。 三件式实心高尔夫球通过铁杆射门和射门方式表现出足够的旋转性能。 它也表现出良好的飞行性能。