公开(公告)号：US08877875B2

公开(公告)日：2014-11-04

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 ,  A63B37/00 ,  C08L75/04 ,  C08G18/83 ,  C08G18/70 ,  C08G18/10 ,  C08G18/48 ,  C08L33/10 ,  C08L67/00

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，并且所述芯在硬度D硬度中的表面硬度Hs和中心硬度Ho之间的硬度差（Hs-Ho）为15〜50。

公开(公告)号：US08389607B2

公开(公告)日：2013-03-05

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 ,  C08L75/08 ,  C08K5/3475

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.

公开(公告)号：US08372915B2

公开(公告)日：2013-02-12

申请号：US12574462

申请日：2009-10-06

申请人： Keiji Ohama ,  Satoko Okabe ,  Kazuya Kamino

发明人： Keiji Ohama ,  Satoko Okabe ,  Kazuya Kamino

IPC分类号： A63B37/00 ,  A63B37/12 ,  C08L33/02 ,  C08L67/02 ,  C08L71/12 ,  C08L77/00

CPC分类号： A63B37/0004 ,  A63B37/0006 ,  A63B37/0012 ,  A63B37/0018 ,  A63B37/002 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0039 ,  A63B37/004 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0049 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0065 ,  A63B37/0075 ,  A63B37/0076 ,  A63B37/0087 ,  A63B37/0092

摘要： An objective of the present invention is to provide a golf ball striking a balance between the flight distance on the driver shots and the approach performance on the approach shots and having the excellent shot feeling and durability. The present invention provides a golf ball comprising a core consisting of a center and a surrounding layer covering the center; at least one intermediate layer covering the core; and a cover covering the intermediate layer; wherein at least one piece or one layer of the intermediate layer is formed from a highly elastic intermediate layer composition that contains (A) a highly elastic resin having a flexural modulus in a range from 700 MPa to 5,000 MPa and (B) an ionomer resin having a flexural modulus in a range from 150 MPa to 1,000 MPa in a content ratio ((A)/(B)) of (A) the highly elastic resin to (B) the ionomer resin (B) being (20 mass % to 80 mass %)/(80 mass % to 20 mass %) (the total is 100 mass %), and wherein a surface hardness (Hm) of the intermediate layer and a surface hardness (Hs) of the core satisfy the equation: Hm≧Hs, and the cover has a slab hardness (Hc) of 45 or less in Shore D hardness.

摘要翻译： 本发明的目的是提供一种高尔夫球在驾驶员射击之间的飞行距离和接近射门之间的距离性能上保持平衡，并且具有优异的射击感和耐久性。 本发明提供一种高尔夫球，包括由中心和覆盖中心的周围层组成的芯; 覆盖芯的至少一个中间层; 覆盖所述中间层的盖; 其中，所述中间层的至少一层或一层由高弹性中间层组合物形成，所述高弹性中间层组合物含有（A）挠曲模量为700MPa〜5000MPa的高弹性树脂，（B）离聚物树脂 （A）高弹性树脂与（B）离聚物树脂（B）的含量比（（A）/（B））为150质量％〜1000MPa的弯曲弹性模量为（20质量％〜 80质量％〜20质量％）（总共为100质量％），其中中间层的表面硬度（Hm）和芯的表面硬度（Hs）满足下式：Hm ≧Hs，并且所述盖的硬度D硬度为45以下的板坯硬度（Hc）。

公开(公告)号：US08282507B2

公开(公告)日：2012-10-09

申请号：US12219482

申请日：2008-07-23

申请人： Keiji Ohama

发明人： Keiji Ohama

IPC分类号： A63B37/06

CPC分类号： A63B37/0031 ,  A63B37/0003 ,  A63B37/0043 ,  A63B37/0064 ,  A63B37/007 ,  A63B37/0072

摘要： Golf ball 2 has spherical core 4, and cover 6 provided so as to cover this core 4. The core 4 has spherical center 8, and mid layer 10 provided so as to cover this center 8. The resilience coefficient Ec of the center 8, the resilience coefficient Em of the core 4, and the resilience coefficient Eb of the golf ball 2 satisfy the following formulae (1) and (2): Eb≧Ec≧Em  (1); Eb−Ec≧Ec−Em  (2). The difference (Eb−Ec) between the resilience coefficient Eb and the resilience coefficient Ec is equal to or greater than 0.004. The difference (Ec−Em) between the resilience coefficient Ec and the resilience coefficient Em is equal to or greater than 0.004.

摘要翻译： 高尔夫球2具有球形芯4和覆盖该芯4的盖6.芯4具有球形中心8，中间层10设置成覆盖该中心8.中心8的弹性系数Ec， 核心4的弹性系数Em和高尔夫球2的弹性系数Eb满足下式（1）和（2）：Eb≥Ec≥Em（1）; Eb-Ec≧Ec-Em（2）。 弹性系数Eb与弹性系数Ec之间的差（Eb-Ec）等于或大于0.004。 弹性系数Ec和回弹系数Em之间的差（Ec-Em）等于或大于0.004。

公开(公告)号：US20120208655A1

公开(公告)日：2012-08-16

申请号：US13454550

申请日：2012-04-24

申请人： Kazuya KAMINO ,  Keiji Ohama

发明人： Kazuya KAMINO ,  Keiji Ohama

IPC分类号： A63B37/12 ,  A63B37/00

CPC分类号： A63B37/12 ,  A63B37/0003 ,  A63B37/0022 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0038

摘要： Golf ball 2 of the present invention has core 4, cover 10 situated on the external side of the core 4, and paint layer 16 provided to cover this cover 10. The base polymer of the cover 10 is a urethane resin. The base polymer of the paint layer 16 is a urethane resin. The cover 10 has a thickness Tc of 0.1 mm or greater and 0.7 mm or less. The paint layer 16 has a thickness Tp (mm) of 0.015 mm or greater and 0.040 mm or less. The ratio (Tp/Tc) is 0.021 or greater and 0.40 or less. Preferably, the paint layer 16 is formed with two or more layers 18 and 20. Preferably, the base polymer of the paint layer 16 is a two-pack type urethane resin or a two-pack type epoxy resin.

摘要翻译： 本发明的高尔夫球2具有芯部4，位于芯部4的外侧的盖10以及覆盖该盖10的涂料层16.盖10的基础聚合物是聚氨酯树脂。 涂料层16的基础聚合物是聚氨酯树脂。 盖10的厚度Tc为0.1mm以上且0.7mm以下。 涂层16的厚度Tp（mm）为0.015mm以上且0.040mm以下。 比率（Tp / Tc）为0.021以上且0.40以下。 优选地，涂料层16形成有两层或更多层18和20.优选地，涂料层16的基础聚合物是双组分型聚氨酯树脂或双组分型环氧树脂。

公开(公告)号：US20110159998A1

公开(公告)日：2011-06-30

申请号：US12938501

申请日：2010-11-03

申请人： Keiji Ohama ,  Takahiro Sajima ,  Yoshiko Matsuyama ,  Hirotaka Nakamura ,  Toshiyuki Tarao ,  Kazuyoshi Shiga

发明人： Keiji Ohama ,  Takahiro Sajima ,  Yoshiko Matsuyama ,  Hirotaka Nakamura ,  Toshiyuki Tarao ,  Kazuyoshi Shiga

IPC分类号： A63B37/02

CPC分类号： A63B37/0092 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0076

摘要： A golf ball 2 has a spherical core 4, a mid layer 6 situated on the external side of the core 4, and a cover 8 situated on the external side of the mid layer 6. The core 4 has a spherical center 10 and an envelope layer 12 situated on the external side of the center 10. At all points P included in a zone away from the central point of the core 4 at a distance of 1 mm or greater and 15 mm or less, the following mathematical expression is satisfied. H2−H1≦5 In the above mathematical expression, H1 represents the JIS-C hardness at a point P1 that is located inside the point P along the radial direction and away from the point P at a distance of 1 mm, and H2 represents the JIS-C hardness at a point P2 that is located outside the point P along the radial direction and away from the point P at a distance of 1 mm.

摘要翻译： 高尔夫球2具有球形芯4，位于铁芯4的外侧的中间层6和位于中间层6的外侧的盖8.芯4具有球形中心10和外壳 层12位于中心10的外侧。在距离芯4的中心点的距离为1mm以上且15mm以下的区域中的所有点P都满足以下数学式。 H2-H1＆nlE; 5在上述数学表达式中，H1表示位于点P的沿着径向方向并远离点P距离1mm的点P1处的JIS-C硬度，H2表示 位于点P外侧的点P2处的距离为1mm的远离点P的JIS-C硬度。

公开(公告)号：US20110098133A1

公开(公告)日：2011-04-28

申请号：US12909903

申请日：2010-10-22

申请人： Kazuyoshi SHIGA ,  Toshiyuki Tarao ,  Keiji Ohama

发明人： Kazuyoshi SHIGA ,  Toshiyuki Tarao ,  Keiji Ohama

IPC分类号： A63B37/12 ,  A63B37/00 ,  A63B37/02 ,  C08G18/32

CPC分类号： C08G18/4854 ,  A63B37/0003 ,  A63B37/0024 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/02 ,  A63B37/12 ,  C08G18/10 ,  C08G18/758 ,  C08G18/3206

摘要： An object of the present invention is to provide a novel golf ball material that controls the spin rate on the approach shots while suppressing the change in the spin rate on the driver shots. Another object of the present invention is to provide a golf ball which produces a high spin rate on the approach shots and a low spin rate on the driver shots. The present invention provides a golf ball resin composition comprising: a polyurethane having a polyol component having a number average molecular weight from 200 to 1,500 as a constituting component.

摘要翻译： 本发明的目的是提供一种新颖的高尔夫球材料，其在抑制驾驶员镜头上的旋转速率的变化的同时控制接近射击的旋转速率。 本发明的另一个目的是提供一种高尔夫球，其在接近射击时产生高旋转速率，并且在驾驶员镜头上产生低旋转速率。 本发明提供一种高尔夫球树脂组合物，其包含：具有作为构成成分的数均分子量为200〜1500的多元醇成分的聚氨酯。

公开(公告)号：US20100069175A1

公开(公告)日：2010-03-18

申请号：US12545222

申请日：2009-08-21

申请人： Kazuya KAMINO ,  Keiji Ohama

发明人： Kazuya KAMINO ,  Keiji Ohama

IPC分类号： A63B37/00

CPC分类号： A63B37/0043 ,  A63B37/0003 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0045 ,  A63B37/0064 ,  A63B37/0077 ,  A63B37/02

摘要： A golf ball 2 includes a spherical core 4, an envelope layer 6 positioned outside the core 4, a mid layer 8 positioned outside the envelope layer 6, a reinforcing layer 10 positioned outside the mid layer 8, and a cover 12 positioned outside the reinforcing layer 10. The mid layer has a thickness Tm less than 1.0 mm. The envelope layer has a Shore D hardness Hs of 60 or greater. The mid layer 8 has a Shore D hardness Hm of 50 or greater and 65 or less. The cover 12 has a Shore D hardness Hc less than 40. The golf ball 2 satisfies that Hs>Hm>Hc. The principal components of the base materials of the envelope layer 6, the mid layer 8 and the cover 12 are an ionomer resin, an ionomer resin and a thermoplastic polyurethane elastomer, respectively.

摘要翻译： 高尔夫球2包括球形芯4，位于芯4外部的包络层6，位于包络层6外侧的中间层8，位于中间层8外部的加强层10和位于增强层外侧的盖12 中间层的厚度Tm小于1.0mm。 信封层的肖氏D硬度Hs为60以上。 中间层8的肖氏D硬度Hm为50以上且65以下。 盖12的肖氏D硬度Hc小于40.高尔夫球2满足Hs> Hm> Hc。 包层6，中间层8和盖12的基材的主要成分分别是离聚物树脂，离聚物树脂和热塑性聚氨酯弹性体。

公开(公告)号：US20100009776A1

公开(公告)日：2010-01-14

申请号：US12498138

申请日：2009-07-06

申请人： Satoko OKABE ,  Keiji Ohama

发明人： Satoko OKABE ,  Keiji Ohama

IPC分类号： A63B37/00 ,  A63B37/02

CPC分类号： A63B37/0038 ,  A63B37/0003 ,  A63B37/0039 ,  A63B37/004 ,  A63B37/0043 ,  A63B37/0086 ,  C08L23/0876 ,  C08L33/10 ,  C08L77/00 ,  C08L2666/04

摘要： An object of the present invention is to provide a golf ball having an excellent properties like flight distance and low temperature durability. The present invention provides a golf ball comprising: a core consisting of a center and one or more intermediate layers covering the center; and a cover covering the core, wherein at least one piece or one layer of said intermediate layers is formed from a highly elastic intermediate layer composition that contains (A) a highly elastic polyamide resin having a flexural modulus in a range from 700 MPa to 5,000 MPa; (B) a metal-neutralized product of ethylene-(meth)acrylic acid copolymer and (C) a resin having a polar functional group in a specific way.

摘要翻译： 本发明的目的是提供一种具有飞行距离和低温耐久性等优异性能的高尔夫球。 本发明提供一种高尔夫球，包括：由中心和覆盖中心的一个或多个中间层组成的芯; 以及覆盖所述芯的盖，其中所述中间层的至少一个或多个层由高弹性中间层组合物形成，所述高弹性中间层组合物含有（A）高弹性聚酰胺树脂，其弯曲弹性模量为700MPa至5,000 MPa; （B）乙烯 - （甲基）丙烯酸共聚物的金属中和产物和（C）具有特定方式具有极性官能团的树脂。

公开(公告)号：US20090258730A1

公开(公告)日：2009-10-15

申请号：US12397706

申请日：2009-03-04

申请人： Hirotaka NAKAMURA ,  Keiji Ohama ,  Kazuya Kamino

发明人： Hirotaka NAKAMURA ,  Keiji Ohama ,  Kazuya Kamino

IPC分类号： A63B37/04

CPC分类号： A63B37/0003 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0064 ,  A63B37/0076 ,  A63B37/0092

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 equal to or less than 1.0 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 1.5 mm. A hardness Hc of the cover is less than 40. The hardness Hs, the hardness Hm, and the hardness Hc satisfy the following formula (1). Hs>Hc>Hm   (1) The base material of the envelope layer 6 is ionomer resin. The base material of the mid layer 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，包层6，中间层8和盖10.中间层8的厚度Tm等于或小于1.0mm。 盖10的厚度Tc小于0.6mm。 厚度Tm和Tc的总和等于或小于1.5mm。 盖的硬度Hc小于40.硬度Hs，硬度Hm和硬度Hc满足下式（1）。 Hs> Hc> Hm（1）包层6的基材是离聚物树脂。 中间层8的基材是聚氨酯。 盖10的基材是聚氨酯。