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公开(公告)号:US08657704B2
公开(公告)日:2014-02-25
申请号:US12907442
申请日:2010-10-19
申请人: Keiji Ohama , Yoshiko Matsuyama , Toshiyuki Tarao , Kazuyoshi Shiga , Hirotaka Nakamura , Takahiro Sajima
发明人: Keiji Ohama , Yoshiko Matsuyama , Toshiyuki Tarao , Kazuyoshi Shiga , Hirotaka Nakamura , Takahiro Sajima
IPC分类号: A63B37/06
CPC分类号: A63B37/0003 , A63B37/0031 , A63B37/0033 , A63B37/0043 , A63B37/0045 , A63B37/0062 , A63B37/0064 , A63B37/02 , A63B37/12
摘要: Golf ball wherein, at all points Pa included in zone “A” away from the central point of its core at a distance of ≧1 mm and
摘要翻译: 高尔夫球,其中,在距离其核心的中心点> = 1mm和<5mm处包括的所有点Pa中,满足该数学表达式:Ha2-Ha1 <5,其中Ha1和 Ha2分别代表分别位于点Pa和点Pa外部的点处的硬度。而且,在距离其核心的中心点> = 5mm处的区域“B”中包含的任何点Pb处于@ 10 mm,该数学表达式满足:Hb2-Hb1> = 5,其中Hb1和Hb2分别表示位于点Pb内部和点Pb外部的点处的硬度。 这种硬度分布提供了一种高尔夫球,当与驾驶员撞击时具有降低的能量损失,并且当用短铁打击时具有优异的控制性能。
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公开(公告)号:US08262508B2
公开(公告)日:2012-09-11
申请号:US12508294
申请日:2009-07-23
申请人: Hirotaka Nakamura , Keiji Ohama
发明人: Hirotaka Nakamura , Keiji Ohama
IPC分类号: A63B37/06
CPC分类号: A63B37/0092 , A63B37/0031 , A63B37/0038 , A63B37/0043 , A63B37/0044 , A63B37/0045 , A63B37/005 , A63B37/0056 , A63B37/0062 , A63B37/0063 , A63B37/0064 , A63B37/0076
摘要: A golf ball 2 has a hollow center 8, a mid layer 10, an inner cover 12 and an outer cover 14. The center 8 is formed by crosslinking a rubber composition. The rubber composition contains a natural rubber as a base polymer. The rubber composition contains sulfur. The mid layer 10 is formed by crosslinking a rubber composition. This rubber composition includes butadiene as a principal component of the base polymer. The center 8 has an inside diameter of 2 mm or greater and 13 mm or less. The center 8 has an outside diameter of 5 mm or greater and 15 mm or less. The center 8 has a surface JIS-C hardness H2 of 25 or greater and 55 or less. A difference (H4−H3) between a surface JIS-C hardness H4 of the mid layer 10 and a JIS-C hardness H3 of an innermost part of the mid layer is equal to or greater than 10.
摘要翻译: 高尔夫球2具有中空中心8,中间层10,内盖12和外盖14.中心8通过交联橡胶组合物形成。 橡胶组合物含有作为基础聚合物的天然橡胶。 橡胶组合物含有硫。 中间层10通过使橡胶组合物交联而形成。 该橡胶组合物包括作为基础聚合物的主要成分的丁二烯。 中心8的内径为2mm以上且13mm以下。 中心8的外径为5mm以上且15mm以下。 中心部8的表面JIS-C硬度H 2为25以上且55以下。 中间层10的表面JIS-C硬度H4与中间层的最内部的JIS-C硬度H3之间的差(H4-H3)等于或大于10。
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公开(公告)号:US08206245B2
公开(公告)日:2012-06-26
申请号:US12397707
申请日:2009-03-04
申请人: Kazuya Kamino , Keiji Ohama , Hirotaka Nakamura
发明人: Kazuya Kamino , Keiji Ohama , Hirotaka Nakamura
IPC分类号: A63B37/06
CPC分类号: A63B37/0003 , A63B37/0024 , A63B37/0031 , A63B37/0033 , A63B37/0043 , A63B37/0045 , A63B37/0064 , A63B37/0076
摘要: A golf ball 2 includes a core 4, an envelope layer 6, a mid layer 8 and a cover 10. A thickness Tm of the mid layer 8 is less than 1.2 mm. A thickness Tc of the cover 10 is less than 0.6 mm. The sum of the thicknesses Tm and Tc is equal to or less than mm. A hardness Hs of the envelope layer 6 is 50 or greater. A hardness Hm of the mid layer 8 is 30 or greater and 60 or less. A hardness Hc of the cover 10 is less than 40. The hardness Hs, the hardness Hm, and the hardness Hc satisfy the following formula (1). Hs≧Hm≧Hc (1) The base material of the envelope layer 6 is ionomer resin. The base material of the midlayer 8 is polyurethane. The base material of the cover 10 is polyurethane.
摘要翻译: 高尔夫球2包括芯4,包络层6,中间层8和盖10.中间层8的厚度Tm小于1.2mm。 盖10的厚度Tc小于0.6mm。 厚度Tm和Tc之和等于或小于mm。 包层6的硬度Hs为50以上。 中间层8的硬度Hm为30以上且60以下。 盖10的硬度Hc小于40.硬度Hs,硬度Hm和硬度Hc满足下式(1)。 Hs≥Hm≥Hc(1)包层6的基材为离聚物树脂。 中间层8的基材是聚氨酯。 盖10的基材是聚氨酯。
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公开(公告)号:US08133956B2
公开(公告)日:2012-03-13
申请号:US12343680
申请日:2008-12-24
申请人: Kazuya Kamino , Keiji Ohama , Toshiyuki Tarao
发明人: Kazuya Kamino , Keiji Ohama , Toshiyuki Tarao
CPC分类号: A63B37/0023 , A63B37/0031 , A63B37/0033
摘要: The object of the present invention is to provide a golf ball which has excellent durability and wear-resistance and provides an excellent shot feeling. The present invention provides a golf ball comprising: a core consisting of a center and at least one intermediate layer covering the center; and a cover covering the core, wherein the cover is formed from a cover composition containing a thermoplastic polyurethane (A), a polyisocyanate compound (B) having at least two isocyanate groups, and a polyhydroxyether (C) as a resin component, wherein the cover composition has a slab hardness from 20 to 55 in shore D hardness, and the cover has a thickness from 0.1 mm to 1.5 mm.
摘要翻译: 本发明的目的是提供一种具有优异耐久性和耐磨性的高尔夫球,并提供优异的拍摄感。 本发明提供一种高尔夫球,包括:由中心和覆盖中心的至少一个中间层组成的芯; 以及覆盖所述芯的盖,其中所述盖由包含热塑性聚氨酯(A),具有至少两个异氰酸酯基的多异氰酸酯化合物(B)和作为树脂成分的聚羟基醚(C))的覆盖组合物形成,其中, 覆盖物组合物的硬度为20至55的肖氏D硬度,盖的厚度为0.1mm至1.5mm。
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公开(公告)号:US20110143865A1
公开(公告)日:2011-06-16
申请号:US12946528
申请日:2010-11-15
申请人: Kazuyoshi Shiga , Toshiyuki Tarao , Keiji Ohama
发明人: Kazuyoshi Shiga , Toshiyuki Tarao , Keiji Ohama
IPC分类号: A63B37/12
CPC分类号: A63B37/0003 , A63B37/0024 , A63B37/0031 , A63B37/0033 , A63B37/12 , Y10S528/903
摘要: An object of the present invention is to provide a golf ball which travels a great distance on the driver shots and stops quickly on the green on the approach shots. The present invention is directed to a golf ball material having a shear loss modulus G″ of 2.11×107 Pa or less, and a ratio (E″/G″) of a tensile loss modulus E″ to the shear loss modulus G″ of 1.78 or more, when measuring the shear loss modulus G″ in a shear mode and the tensile loss modulus E″ in a tensile mode at conditions of a temperature of 0° C., oscillation frequency of 10 Hz using a dynamic viscoelasticity measuring apparatus.
摘要翻译: 本发明的一个目的是提供一种在驾驶员镜头上行进很远的高尔夫球,并且在接近射击时快速停在绿色上。 本发明涉及一种剪切损耗模量G“为2.11×10 7 Pa以下的高尔夫球材料和拉伸损耗模量E”与剪切损耗模量G“的比(E”/ G“) 当使用动态粘弹性测量装置测量温度为0℃,振荡频率为10Hz的拉伸模式下的剪切模式下的剪切损耗模量G“和拉伸损耗模量E”为1.78或更大。
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公开(公告)号:US20100160087A1
公开(公告)日:2010-06-24
申请号:US12619991
申请日:2009-11-17
CPC分类号: A63B37/0003 , A63B37/0037 , A63B37/0062 , A63B37/0064 , A63B37/0076 , A63B37/0092
摘要: A golf ball 2 includes a spherical core 4, a mid layer 6 positioned outside the core 4, and a cover 8 positioned outside the mid layer 6. The core 4 includes a spherical center 10 and an envelope layer 12 positioned outside the center 10. The center 10 has a diameter of 1 mm or greater and 15 mm or less. The center 10 has a JIS-C hardness H1, at its central point, of 20 or greater and 50 or less. The difference (H4−H3) between the JIS-C hardness H4 of the core 4 at its surface and the JIS-C hardness H3 of the envelope layer 12 at its innermost portion is equal to or greater than 10. The cover 8 has a flexural modulus of 300 MPa or greater and 1000 MPa or less, and has a tensile modulus of 400 MPa or greater and 1500 MPa or less.
摘要翻译: 高尔夫球2包括球形芯4,位于芯4外部的中间层6和位于中间层6外侧的盖8.芯4包括球形中心10和位于中心10外部的包络层12。 中心部10的直径为1mm以上且15mm以下。 中心部10的中心点的JIS-C硬度H1为20以上且50以下。 核心4的表面的JIS-C硬度H4与包层12的最内部的JIS-C硬度H3之间的差(H4-H3)等于或大于10.盖8具有 弯曲弹性模量为300MPa以上且1000MPa以下,拉伸弹性模量为400MPa以上且1500MPa以下。
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公开(公告)号:US20100035704A1
公开(公告)日:2010-02-11
申请号:US12490847
申请日:2009-06-24
申请人: Hirotaka NAKAMURA , Keiji Ohama , Kazuhiko Isogawa
发明人: Hirotaka NAKAMURA , Keiji Ohama , Kazuhiko Isogawa
IPC分类号: A63B37/02
CPC分类号: A63B37/02 , A63B37/0003 , A63B37/0039 , A63B37/0043 , A63B37/0045 , A63B37/0051 , A63B37/0062 , A63B37/0064
摘要: A golf ball 2 has a core 4, an inner cover 6 positioned outside this core 4 and an outer cover 8 positioned outside the inner cover 6. The core 4 has a spherical center 10 and a mid layer 12 positioned outside this center 10. The center 10 is formed by crosslinking a rubber composition. The mid layer 12 is formed by crosslinking a rubber composition. The inner cover 6 is made of a thermoplastic resin composition. The outer cover 8 is made of a thermoplastic resin composition. The center 10 has a diameter of 1 mm or greater and 15 mm or less. The center 10 has a central point having JIS-C hardness H1 of 20 or greater and 50 or less. A difference (H4−H3) between a hardness H4 of a surface of the core and a hardness H3 of an innermost part of the mid layer is equal to or greater than 10. A hardness H5 of the inner cover is smaller than a hardness H6 of the outer cover.
摘要翻译: 高尔夫球2具有芯部4,位于该芯部4外部的内部盖6和位于内部盖6外侧的外部盖8.芯部4具有球形中心10和位于该中心10外部的中间层12。 中心10通过交联橡胶组合物形成。 中间层12通过交联橡胶组合物形成。 内盖6由热塑性树脂组合物制成。 外盖8由热塑性树脂组合物制成。 中心部10的直径为1mm以上且15mm以下。 中心部10具有JIS-C硬度H1为20以上且50以下的中心点。 芯的表面的硬度H4与中层的最内部的硬度H3之间的差(H4-H3)等于或大于10.内盖的硬度H5小于硬度H6 的外盖。
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公开(公告)号:US20090270202A1
公开(公告)日:2009-10-29
申请号:US12420883
申请日:2009-04-09
申请人: Hirotaka NAKAMURA , Keiji Ohama
发明人: Hirotaka NAKAMURA , Keiji Ohama
IPC分类号: A63B37/00
CPC分类号: C08K5/14 , A63B37/0044 , A63B37/0063 , A63B37/0064 , A63B37/0092 , C08K5/098 , C08L9/00
摘要: A golf ball 2 has a spherical core 4 and a cover 6 positioned outside this core 4. The core 4 has a spherical center 8 and a mid layer 10 positioned outside this center 8. The center 8 is formed by crosslinking a rubber composition. A base rubber of the rubber composition contains polybutadiene as a principal component. The rubber composition contains sulfur as a crosslinking agent. The center 8 has a diameter of 1 mm or greater and 15 mm or less. The center 8 has a central hardness H1 of 20 or greater and 50 or less. A difference (H4−H3) between a hardness H4 of a surface of the mid layer 10 and a hardness of an innermost part thereof is equal to or greater than 10.
摘要翻译: 高尔夫球2具有球形芯4和位于该芯4之外的盖6.芯4具有球形中心8和位于该中心8外部的中间层10.中心8通过使橡胶组合物交联而形成。 橡胶组合物的基础橡胶含有聚丁二烯作为主要成分。 橡胶组合物含有硫作为交联剂。 中心8的直径为1mm以上且15mm以下。 中心8的中心硬度H1为20以上且50以下。 中间层10的表面的硬度H4与其最内部的硬度之差(H4-H3)等于或大于10。
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公开(公告)号:US20090124420A1
公开(公告)日:2009-05-14
申请号:US12289953
申请日:2008-11-07
申请人: Kazuya Kamino , Keiji Ohama , Toshiyuki Tarao
发明人: Kazuya Kamino , Keiji Ohama , Toshiyuki Tarao
IPC分类号: A63B37/12
CPC分类号: C08L75/04 , A63B37/0023 , A63B37/0031 , A63B37/0033 , A63B37/0063 , A63B37/0075 , C08G18/10 , C08G18/4854 , C08G18/708 , C08L33/10 , C08L67/00 , C08L2666/02
摘要: The object of the present invention is to provide a golf ball that satisfies both of the flight distance at the shot with a driver, a long iron, and a middle iron and the controllability at the approach shot with a short iron and is also excellent in the abrasion resistance of the cover. The present invention provides a golf ball comprising a core consisting of a center and at least one intermediate layer covering the center, and a cover covering the core, wherein the cover is formed from a cover composition containing, as a resin component, a thermoplastic polyurethane (A) and a polyisocyanate mixture (B) in which a urethane prepolymer (b-1) having at least two isocyanate groups or a polyisocyanate (b-2) having at least three isocyanate groups is dispersed in a thermoplastic resin (b-3) which does not substantially react with an isocyanate group; and wherein the cover composition has a slab hardness of 60 or less in Shore D hardness, and the core has a hardness difference (Hs−Ho) between a surface hardness Hs and a center hardness Ho of from 15 to 50 in Shore D hardness.
摘要翻译: 本发明的目的是提供一种高尔夫球,其满足与驾驶员,长铁和中间铁的射击时的飞行距离以及用短铁接近射门的可控性,并且也优异 盖的耐磨性。 本发明提供一种高尔夫球,其包括由中心和覆盖中心的至少一个中间层构成的芯和覆盖芯的盖,其中盖由覆盖组合物形成,该组合物含有作为树脂组分的热塑性聚氨酯 (A)和具有至少两个异氰酸酯基的氨基甲酸酯预聚物(b-1)或具有至少三个异氰酸酯基的多异氰酸酯(b-2)分散在热塑性树脂(b-3)中的多异氰酸酯混合物(B) ),其基本上不与异氰酸酯基团反应; 并且其中所述覆盖组合物的肖氏D硬度具有60以下的板坯硬度,并且所述芯具有肖氏D硬度的表面硬度Hs和中心硬度Ho之间的硬度差(Hs-Ho)为15〜50。
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公开(公告)号:US20090075758A1
公开(公告)日:2009-03-19
申请号:US12222487
申请日:2008-08-11
申请人: Hirotaka Nakamura , Keiji Ohama
发明人: Hirotaka Nakamura , Keiji Ohama
IPC分类号: A63B37/12
CPC分类号: A63B37/0023 , A63B37/0022
摘要: Golf ball 2 has core 4, cover 6 and paint layer 12. The base polymer of the cover 6 includes a thermoplastic polyurethane elastomer. The cover 6 includes a benzotriazole based ultraviolet ray absorbing agent, a hindered amine light stabilizer and a hindered phenol heat resistance stabilizer. Provided that the molar concentration of the benzotriazole based ultraviolet ray absorbing agent is defined as A; the molar concentration of the hindered amine light stabilizer is defined as B; and the molar concentration of the hindered phenol heat resistance stabilizer is defined as C, the molar ratio (B/A) is 0.01 or greater and 0.5 or less, and the molar ratio [(B+C)/A] is 0.1 or greater and 1.5 or less. Preferably, the hindered amine light stabilizer does not have a hindered phenol group in the molecule. Preferably, the principal component of the elastomer is a reaction product of MDI and polyether polyol.
摘要翻译: 高尔夫球2具有芯4,盖6和涂料层12.盖6的基础聚合物包括热塑性聚氨酯弹性体。 盖6包括苯并三唑类紫外线吸收剂,受阻胺光稳定剂和受阻酚耐热稳定剂。 假设苯并三唑类紫外线吸收剂的摩尔浓度定义为A; 受阻胺光稳定剂的摩尔浓度定义为B; 受阻酚耐热稳定剂的摩尔浓度定义为C,摩尔比(B / A)为0.01以上且0.5以下,摩尔比[(B + C)/ A]为0.1以上 和1.5以下。 受阻胺光稳定剂优选在分子中不具有受阻酚基。 优选地,弹性体的主要成分是MDI和聚醚多元醇的反应产物。
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