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：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：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。

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。

公开(公告)号：US08182368B2

公开(公告)日：2012-05-22

申请号：US12545230

申请日：2009-08-21

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： A63B37/0031 ,  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 6positioned 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 芯部外层14位于中心12的外侧。中心部12具有1mm以上且15mm以下的直径。 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：US08721474B2

公开(公告)日：2014-05-13

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： A63B37/06

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。

公开(公告)号：US08292759B2

公开(公告)日：2012-10-23

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： A63B37/06

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 10 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10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。

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：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.