公开(公告)号：US09744408B2

公开(公告)日：2017-08-29

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： A63B37/06 ,  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.

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：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：US08777780B2

公开(公告)日：2014-07-15

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： A63B37/06

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 8 has a thickness Tm less than 1.0 mm. The envelope layer 6 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8的厚度Tm小于1.0mm。 包层6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：US20090247326A1

公开(公告)日：2009-10-01

申请号：US12391702

申请日：2009-02-24

申请人： Keiji OHAMA ,  Kazuya Kamino ,  Takahiro Sajima

发明人： Keiji OHAMA ,  Kazuya Kamino ,  Takahiro Sajima

IPC分类号： A63B37/00 ,  A63B37/12

CPC分类号： A63B37/0004 ,  A63B37/0006 ,  A63B37/0012 ,  A63B37/0018 ,  A63B37/002 ,  A63B37/0022 ,  A63B37/0024 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0076 ,  A63B37/0095 ,  A63B37/0096 ,  A63B45/00 ,  B29C45/14819 ,  B29D99/0042 ,  B29L2031/54 ,  B29L2031/545 ,  C08G18/10 ,  C08G18/4854 ,  C08G18/758 ,  C08G18/7671 ,  C08L75/04 ,  C08L2666/18 ,  C08L2666/20

摘要： A golf ball 2 includes a center 12, a mid layer 14, a reinforcing layer 6, a cover 8 and a paint layer 10. The golf ball 2 has a large number of dimples 16 on the surface thereof. The cover 8 is formed of a resin composition including thermoplastic polyurethane (A) and a polyisocyanate mixture (B). The polyisocyanate mixture (B) includes a urethane prepolymer (B1) having two or more isocyanate groups or an isocyanate compound (B2) having three or more isocyanate groups. The polyisocyanate mixture (B) further includes a thermoplastic resin (B3) which substantially does not react with an isocyanate group. The golf ball 2 is obtained by a mold having protrusions which project from the equator of the mold. Each protrusion includes a part of a pimple.

摘要翻译： 高尔夫球2包括中心12，中间层14，加强层6，盖8和涂料层10.高尔夫球2在其表面上具有大量凹坑16。 盖8由包含热塑性聚氨酯（A）和多异氰酸酯混合物（B）的树脂组合物形成。 多异氰酸酯混合物（B）含有具有2个以上异氰酸酯基的氨基甲酸酯预聚物（B1）或具有3个以上异氰酸酯基的异氰酸酯化合物（B2）。 多异氰酸酯混合物（B）还包含基本上不与异氰酸酯基反应的热塑性树脂（B3）。 通过具有从模具的赤道突出的突起的模具获得高尔夫球2。 每个突起包括一个丘疹的一部分。

公开(公告)号：US07390273B2

公开(公告)日：2008-06-24

申请号：US11822517

申请日：2007-07-06

申请人： Keiji Ohama ,  Kazuhiko Isogawa ,  Kazuya Kamino

发明人： Keiji Ohama ,  Kazuhiko Isogawa ,  Kazuya Kamino

IPC分类号： A63B37/12

CPC分类号： A63B37/0003 ,  A63B37/0004 ,  A63B37/0018 ,  A63B37/002 ,  A63B37/0021 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0074 ,  A63B37/0075

摘要： Golf ball 2 has a core 4, a cover 6 and numerous dimples 8. The cover 6 has a thickness of less than 3.0 mm and a hardness H4 of equal to or greater than 90. A difference (H2−H1) of a surface hardness H2 of the core 4 and a central hardness H1 of the core 4 is 10 or greater and 25 or less. A difference (H4−H1) of the hardness H4 of the cover 6 and a surface hardness H1 of the core 4 is equal to or greater than 25. A difference (H4−H2) of the hardness H4 of the cover 6 and a surface hardness H2 of the core 4 is 10 or greater and 20 or less. Provided that mean diameter of all the dimples 8 is Da, a ratio (N1/N) of number N1 of adjacent dimple pairs having a pitch of (Da/4) or less to total number N of the dimples 8 is equal to or greater than 2.70. A ratio (N2/N1) of number N2 of adjacent dimple pairs having a pitch of (Da/20) or less to the number N1 is equal to or greater than 0.50.

摘要翻译： 高尔夫球2具有芯4，盖6和多个凹坑8。 盖6的厚度小于3.0mm，硬度H 4等于或大于90.芯4的表面硬度H 2的差（H 2 -H 1）和中心硬度H 1 芯4为10以上且25以下。 盖6的硬度H 4和芯4的表面硬度H 1的差（H 4 -H 1）等于或大于25.硬度H 4的差（H 4 -H 2） 并且芯部4的表面硬度H 2为10以上且20以下。 假设所有凹坑8的平均直径为Da，则具有间距（Da / 4）以下的相邻凹坑对的数量N1与凹坑8的总数N的比（N1 / N）等于或等于 比2.70。 间距为（Da / 20）以下的相邻凹坑对的数量N2与N1的比率（N2 / N1）等于或大于0.50。

公开(公告)号：US08409034B2

公开(公告)日：2013-04-02

申请号：US12393785

申请日：2009-02-26

申请人： Kazuya Kamino ,  Toshiyuki Tarao ,  Keiji Ohama ,  Takahiro Sajima

发明人： Kazuya Kamino ,  Toshiyuki Tarao ,  Keiji Ohama ,  Takahiro Sajima

IPC分类号： A63B37/06

CPC分类号： A63B37/0004 ,  A63B37/0006 ,  A63B37/0012 ,  A63B37/0018 ,  A63B37/002 ,  A63B37/0022 ,  A63B37/0024 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0076 ,  A63B37/0095 ,  A63B37/0096 ,  A63B45/00

摘要： A golf ball 2 includes a center 12, a mid layer 14, a reinforcing layer 6, a cover 8 and a paint layer 10. The golf ball 2 has a large number of dimples 16 on the surface thereof. The cover 8 is formed of a resin composition including thermoplastic polyurethane (A) and a polyisocyanate mixture (B). The polyisocyanate mixture (B) includes a urethane prepolymer (B1) having two or more isocyanate groups or an isocyanate compound (B2) having three or more isocyanate groups. The polyisocyanate composition (B) further includes a thermoplastic resin (B3) which substantially does not react with an isocyanate goup. The golf ball 2 is obtained by a mold having protrusions which projects from the equator of the mold. Each protrusion includes a part of a pimple.

摘要翻译： 高尔夫球2包括中心12，中间层14，加强层6，盖8和涂料层10.高尔夫球2在其表面上具有大量凹坑16。 盖8由包含热塑性聚氨酯（A）和多异氰酸酯混合物（B）的树脂组合物形成。 多异氰酸酯混合物（B）含有具有2个以上异氰酸酯基的氨基甲酸酯预聚物（B1）或具有3个以上异氰酸酯基的异氰酸酯化合物（B2）。 多异氰酸酯组合物（B）还包含基本上不与异氰酸酯反应的热塑性树脂（B3）。 通过具有从模具的赤道突出的突起的模具获得高尔夫球2。 每个突起包括一个丘疹的一部分。

公开(公告)号：US08409033B2

公开(公告)日：2013-04-02

申请号：US12391702

申请日：2009-02-24

申请人： Keiji Ohama ,  Kazuya Kamino ,  Takahiro Sajima

发明人： Keiji Ohama ,  Kazuya Kamino ,  Takahiro Sajima

IPC分类号： A63B37/06

CPC分类号： A63B37/0004 ,  A63B37/0006 ,  A63B37/0012 ,  A63B37/0018 ,  A63B37/002 ,  A63B37/0022 ,  A63B37/0024 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0076 ,  A63B37/0095 ,  A63B37/0096 ,  A63B45/00 ,  B29C45/14819 ,  B29D99/0042 ,  B29L2031/54 ,  B29L2031/545 ,  C08G18/10 ,  C08G18/4854 ,  C08G18/758 ,  C08G18/7671 ,  C08L75/04 ,  C08L2666/18 ,  C08L2666/20

摘要： A golf ball 2 includes a center 12, a mid layer 14, a reinforcing layer 6, a cover 8 and a paint layer 10. The golf ball 2 has a large number of dimples 16 on the surface thereof. The cover 8 is formed of a resin composition including thermoplastic polyurethane (A) and a polyisocyanate mixture (B). The polyisocyanate mixture (B) includes a urethane prepolymer (B1) having two or more isocyanate groups or an isocyanate compound (B2) having three or more isocyanate groups. The polyisocyanate mixture (B) further includes a thermoplastic resin (B3) which substantially does not react with an isocyanate group. The golf ball 2 is obtained by a mold having protrusions which project from the equator of the mold. Each protrusion includes a part of a pimple.

摘要翻译： 高尔夫球2包括中心12，中间层14，加强层6，盖8和涂料层10.高尔夫球2在其表面上具有大量凹坑16。 盖8由包含热塑性聚氨酯（A）和多异氰酸酯混合物（B）的树脂组合物形成。 多异氰酸酯混合物（B）含有具有2个以上异氰酸酯基的氨基甲酸酯预聚物（B1）或具有3个以上异氰酸酯基的异氰酸酯化合物（B2）。 多异氰酸酯混合物（B）还包含基本上不与异氰酸酯基反应的热塑性树脂（B3）。 通过具有从模具的赤道突出的突起的模具获得高尔夫球2。 每个突起包括一个丘疹的一部分。

公开(公告)号：US20100093466A1

公开(公告)日：2010-04-15

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

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：US20090105012A1

公开(公告)日：2009-04-23

申请号：US12232371

申请日：2008-09-16

申请人： Kazuya Kamino ,  Keiji Ohama

发明人： Kazuya Kamino ,  Keiji Ohama

IPC分类号： A63B37/12

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 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。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。