公开(公告)号：US20080045360A1

公开(公告)日：2008-02-21

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： A63B37/14

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.

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：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。

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

IPC分类号： A63B37/12 ,  A63B37/00

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。

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。

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：US09186555B2

公开(公告)日：2015-11-17

申请号：US13454486

申请日：2012-04-24

申请人： Kazuya Kamino ,  Keiji Ohama ,  Hirotaka Nakamura

发明人： Kazuya Kamino ,  Keiji Ohama ,  Hirotaka Nakamura

IPC分类号： A63B37/06 ,  A63B37/00 ,  A63B37/02

CPC分类号： A63B37/0031 ,  A63B37/0003 ,  A63B37/0029 ,  A63B37/0033 ,  A63B37/0039 ,  A63B37/004 ,  A63B37/0043 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/006 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0076 ,  A63B37/0092 ,  A63B37/02 ,  C09D177/00 ,  C08K3/22 ,  C08L63/00

摘要： A golf ball 2 includes a core 4, an envelope layer 6 positioned outside the core 4, a mid layer 8 positioned outside the envelope layer 6, and a cover 10 positioned outside the mid layer 8. The core 4 includes a spherical center 12 and a core outer layer 14 positioned outside the center 12. The center 12 has a diameter of 1 mm or greater and 15 mm 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 core outer layer 14 at its innermost portion is equal to or greater than 10. The cover 10 has a Shore D hardness H7 less than 40. The Shore D hardnesses H5, H6 and H7 of the envelope layer 6, the mid layer 8, and the cover 10 satisfy that H5>H6≧H7.

摘要翻译： 高尔夫球2包括芯部4，位于芯部4外部的包络层6，位于包络层6外侧的中间层8和位于中间层8外侧的盖10.芯部4包括球形中心12和 位于中心12外的芯外层14.中心12的直径为1mm以上且15mm以下。 核心4的表面的JIS-C硬度H4与芯部外层14的最内侧的JIS-C硬度H3之间的差（H4-H3）等于或大于10.盖10具有 肖氏D硬度H7小于40.包层6，中层8和盖10的肖氏D硬度H5，H6和H7满足H5>H6≥H7。

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：US20100069174A1

公开(公告)日：2010-03-18

申请号：US12542277

申请日：2009-08-17

申请人： Keiji OHAMA ,  Hirotaka Nakamura ,  Kazuya Kamino

发明人： Keiji OHAMA ,  Hirotaka Nakamura ,  Kazuya Kamino

IPC分类号： A63B37/00

CPC分类号： A63B37/0064 ,  A63B37/0003 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/006 ,  A63B37/0062

摘要： A golf ball 2 has a core 4, an inner cover 6 positioned outside the 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 the center 10. The center 10 has a diameter of 1 mm or greater and 15 mm or less. A difference (H4−H3) between a JIS-C hardness H4 of a surface of the core and a JIS-C hardness H3 of an innermost part of the mid layer is equal to or greater than 10. The hardness H4 is greater than a JIS-C hardness H2 of a surface of a spherical body including the core 4 and the inner cover 6. A Shore D hardness H7 of the outer cover 8 is less than 40.

摘要翻译： 高尔夫球2具有芯部4，位于芯部4外部的内部盖6和位于内部盖6外侧的外盖8.芯部4具有球形中心10和位于中心10外部的中间层12。 中心部10的直径为1mm以上且15mm以下。 芯的表面的JIS-C硬度H4与中层的最内部的JIS-C硬度H3之间的差（H4-H3）等于或大于10.硬度H4大于 包括芯体4和内盖6的球体表面的JIS-C硬度H2。外盖8的肖氏D硬度H7小于40。