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公开(公告)号:US06726579B2
公开(公告)日:2004-04-27
申请号:US10284365
申请日:2002-10-31
申请人: Keiji Ohama , Takahiro Sajima , Seiichiro Endo
发明人: Keiji Ohama , Takahiro Sajima , Seiichiro Endo
IPC分类号: A63B3706
CPC分类号: A63B37/0004 , A63B37/0003 , A63B37/0006 , A63B37/0017 , A63B37/002 , A63B37/0031 , A63B37/0033 , A63B37/0043 , A63B37/0045 , A63B37/0076
摘要: The present invention provides a multi-piece solid golf ball having soft and good shot feel and excellent flight performance when hit by a golfer who swings a golf club at low head speed. The present invention relates to a multi-piece solid golf ball comprising a core, an intermediate layer and a cover having many dimples on the surface thereof, wherein hardness distribution of the core; hardness distribution between each layer and the contiguous layer in the golf ball; a ratio of a thickness of the cover to that of the intermediate layer; a ratio (X/D) of the total periphery length (X) to a diameter of the golf ball; and a ratio (VD/VG) of the total volume of the dimples (VD) to a volume of the phantom sphere (VG) assuming that the golf ball is a true sphere having no dimples on the surface thereof; are adjusted to specified ranges.
摘要翻译: 本发明提供了一种多片固体高尔夫球,当以低头速度摆动高尔夫球杆的高尔夫球手击球时,具有柔软和良好的射击感和优异的飞行性能。 本发明涉及一种多件式固体高尔夫球,其包括在其表面上具有许多凹坑的芯,中间层和盖,其中芯的硬度分布; 高尔夫球中各层与连续层之间的硬度分布; 盖的厚度与中间层的厚度的比率; 总周边长度(X)与高尔夫球直径的比(X / D) 以及假设高尔夫球是其表面上没有凹坑的真实球体,凹坑(VD)的总体积与体模(VG)的体积的比率(VD / VG) 被调整到指定范围。
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公开(公告)号:US08888610B2
公开(公告)日:2014-11-18
申请号:US13289055
申请日:2011-11-04
申请人: Yoshiko Matsuyama , Takahiro Sajima , Keiji Ohama
发明人: Yoshiko Matsuyama , Takahiro Sajima , Keiji Ohama
CPC分类号: A63B37/0003 , A63B37/0031 , A63B37/0034 , A63B37/0043 , A63B37/0046 , A63B37/0063 , A63B37/0065 , A63B37/0076 , A63B37/06 , A63B37/12 , C08G18/4854 , C08G18/758 , C08L75/08
摘要: A golf ball 2 includes a core 4, a mid layer 6, and a cover 8. The core 4 includes a center 10 and an envelope layer 12. The ratio (Do/De) of an amount of compressive deformation Do of the center 10 to an amount of compressive deformation De of the core 4 is equal to or greater than 1.5 but equal to or less than 2.5. The ratio (Do/Dc) of the amount of compressive deformation Do of the center 10 to an amount of compressive deformation Dc of the golf ball 2 is equal to or greater than 1.8. The diameter of the center 10 is equal to or less than 20 mm. The difference (He−Ho) between a surface hardness He of the core 4 and a central hardness Ho of the center 10 is equal to or less than 40.
摘要翻译: 高尔夫球2包括芯4,中间层6和盖8.芯4包括中心10和包层12.中心10的压缩变形量Do的比(Do / De) 芯4的压缩变形量De等于或大于1.5但是等于或小于2.5。 中心部10的压缩变形量Do与高尔夫球2的压缩变形量Dc的比(Do / Dc)大于等于1.8。 中心部10的直径等于或小于20mm。 芯4的表面硬度He与中心10的中心硬度Ho之间的差(He-Ho)等于或小于40。
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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。
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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。
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公开(公告)号:US20120088604A1
公开(公告)日:2012-04-12
申请号:US13233509
申请日:2011-09-15
申请人: Yoshiko Matsuyama , Takahiro Sajima , Keiji Ohama
发明人: Yoshiko Matsuyama , Takahiro Sajima , Keiji Ohama
IPC分类号: A63B37/06
CPC分类号: A63B37/0031 , A63B37/0033 , A63B37/0043 , A63B37/0045 , A63B37/0062 , A63B37/0063 , A63B37/0064 , A63B37/0076 , A63B37/0088 , A63B37/0092 , C09J163/00
摘要: A golf ball 2 includes a spherical core 4, a mid layer 6 outside the core 4, and a cover 8 outside the mid layer 6. The core 4 includes a spherical center 10 and an envelope layer 12 outside the center 10. At all points P included in a zone that extends over a distance range from equal to or greater than 1 mm to equal to or less than 15 mm from the central point of the core 4, the following mathematical formula is satisfied. −5
摘要翻译: 高尔夫球2包括球形芯4,芯4外部的中间层6和中间层6外部的盖8.芯4包括球形中心10和在中心10外部的包络层12.在所有点 P包括在从芯4的中心点延伸超过1mm至等于或小于15mm的距离范围内的区域中,满足以下数学公式。 -5
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公开(公告)号:US20050049084A1
公开(公告)日:2005-03-03
申请号:US10899091
申请日:2004-07-27
申请人: Satoshi Iwami , Kazuhiko Isogawa , Takahiro Sajima
发明人: Satoshi Iwami , Kazuhiko Isogawa , Takahiro Sajima
CPC分类号: A63B37/0004 , A63B37/0003 , A63B37/0012 , A63B37/0017 , A63B37/0019 , A63B37/002 , A63B37/0024 , A63B37/0031 , A63B37/0033 , A63B37/0039 , A63B37/0064 , A63B37/0065 , A63B37/0074 , A63B37/0075 , A63B37/008 , A63B37/0087 , A63B37/0094 , A63B37/12
摘要: A golf ball formed of multiple layers that allows limiting an uplifting trajectory, providing a trajectory in which the height of the golf ball is well retained in the latter half of the flight of the ball thereby increasing travel distance, where at least one layer is made of a composition of a ternary copolymer ionomer, a higher fatty acid and an inorganic metal compound mixed together, at least 80% of the carboxyl group contained in the composition is neutralized, and the total volume of the dimples (Dv) on the cover surface ranges from 495 to 575 mm3. The above composition is suitable for the cover. The higher fatty acid is a fatty acid with 12 to 40 carbon atoms, and preferably is stearic acid or oleic acid.
摘要翻译: 由多层形成的高尔夫球,其允许限制提升轨迹,提供高尔夫球的高度良好地保持在球的飞行的后半部分中的轨迹,从而增加行进距离,其中制造至少一个层 三元共聚物离聚物,高级脂肪酸和无机金属化合物的组合物混合在一起,组合物中所含的羧基的至少80%被中和,并且覆盖表面上的凹坑(Dv)的总体积 范围从495到575毫米<3>。 上述组合物适用于封面。 高级脂肪酸是碳原子数为12〜40的脂肪酸,优选为硬脂酸或油酸。
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公开(公告)号:US08882610B2
公开(公告)日:2014-11-11
申请号:US13233509
申请日:2011-09-15
申请人: Yoshiko Matsuyama , Takahiro Sajima , Keiji Ohama
发明人: Yoshiko Matsuyama , Takahiro Sajima , Keiji Ohama
IPC分类号: A63B37/04 , A63B37/00 , C09J163/00
CPC分类号: A63B37/0031 , A63B37/0033 , A63B37/0043 , A63B37/0045 , A63B37/0062 , A63B37/0063 , A63B37/0064 , A63B37/0076 , A63B37/0088 , A63B37/0092 , C09J163/00
摘要: A golf ball 2 includes a spherical core 4, a mid layer 6 outside the core 4, and a cover 8 outside the mid layer 6. The core 4 includes a spherical center 10 and an envelope layer 12 outside the center 10. At all points P included in a zone that extends over a distance range from equal to or greater than 1 mm to equal to or less than 15 mm from the central point of the core 4, the following mathematical formula is satisfied. −5
摘要翻译: 高尔夫球2包括球形芯4,在芯4外部的中间层6以及在中间层6外部的盖8.芯4包括球形中心10和在中心10外部的包络层12.在所有点 P包括在从芯4的中心点延伸超过1mm至等于或小于15mm的距离范围内的区域中,满足以下数学公式。 -5
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公开(公告)号:US08388466B2
公开(公告)日:2013-03-05
申请号:US12366415
申请日:2009-02-05
申请人: Keiji Ohama , Hirotaka Nakamura , Takahiro Sajima
发明人: Keiji Ohama , Hirotaka Nakamura , Takahiro Sajima
IPC分类号: A63B37/06
CPC分类号: A63B37/0092 , A63B37/0003 , A63B37/0012 , A63B37/0021 , A63B37/0031 , A63B37/0033 , A63B37/0062 , C08G18/10 , C08G18/4854 , C08G18/7671 , C08L75/04 , C08L2666/20
摘要: A golf ball 2 includes a core 4, a cover 6, and a paint layer 8. The golf ball 2 has numerous dimples 10 on the surface thereof. The cover 6 is formed of a resin composition including thermoplastic polyurethane (A) and a polyisocyanate mixture (B). The polyisocyanate mixture (B) includes a polyisocyanate compound (B1) having two or more isocyanate groups or a urethane prepolymer (B2) having two or more isocyanate groups. The cover 6 has a hardness of 30 or greater and 55 or less. The cover 6 has a thickness of 1.0 mm or greater and 2.0 mm or less. The ratio of the total volume of all the dimples 10 to the surface area of a phantom sphere of the golf ball is less than 75%. The dimples 10 have a curvature radius at the edge thereof in a range of 0.1 mm to 10 mm.
摘要翻译: 高尔夫球2包括芯4,盖6和涂料层8.高尔夫球2在其表面上具有许多凹坑10。 盖6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)包括具有2个以上异氰酸酯基的多异氰酸酯化合物(B1)或具有2个以上异氰酸酯基的氨基甲酸酯预聚物(B2)。 盖6的硬度为30以上且55以下。 盖6的厚度为1.0mm以上且2.0mm以下。 所有凹坑10的总体积与高尔夫球的幻影球的表面积之比小于75%。 凹坑10在其边缘处的曲率半径在0.1mm至10mm的范围内。
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公开(公告)号:US20120165128A1
公开(公告)日:2012-06-28
申请号:US13289055
申请日:2011-11-04
申请人: Yoshiko Matsuyama , Takahiro Sajima , Keiji Ohama
发明人: Yoshiko Matsuyama , Takahiro Sajima , Keiji Ohama
CPC分类号: A63B37/0003 , A63B37/0031 , A63B37/0034 , A63B37/0043 , A63B37/0046 , A63B37/0063 , A63B37/0065 , A63B37/0076 , A63B37/06 , A63B37/12 , C08G18/4854 , C08G18/758 , C08L75/08
摘要: A golf ball 2 includes a core 4, amid layer 6, and a cover 8. The core 4 includes a center 10 and an envelope layer 12. The ratio (Do/De) of an amount of compressive deformation Do of the center 10 to an amount of compressive deformation De of the core 4 is equal to or greater than 1.5 but equal to or less than 2.5. The ratio (Do/Dc) of the amount of compressive deformation Do of the center 10 to an amount of compressive deformation Dc of the golf ball 2 is equal to or greater than 1.8. The diameter of the center 10 is equal to or less than 20 mm. The difference (He-Ho) between a surface hardness He of the core 4 and a central hardness Ho of the center 10 is equal to or less than 40.
摘要翻译: 高尔夫球2包括芯层4,层6和盖8.芯4包括中心10和包层12.中心10的压缩变形量Do的比(Do / De)为 芯4的压缩变形量De等于或大于1.5但等于或小于2.5。 中心部10的压缩变形量Do与高尔夫球2的压缩变形量Dc的比(Do / Dc)大于等于1.8。 中心部10的直径等于或小于20mm。 芯4的表面硬度He与中心10的中心硬度Ho之间的差(He-Ho)等于或小于40。
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公开(公告)号:US07261649B2
公开(公告)日:2007-08-28
申请号:US11294404
申请日:2005-12-06
申请人: Keiji Ohama , Takahiro Sajima
发明人: Keiji Ohama , Takahiro Sajima
IPC分类号: A63B37/14
CPC分类号: A63B37/0015 , A63B37/0012 , A63B37/0018 , A63B37/002 , A63B37/0031 , A63B37/0033 , A63B37/0039 , A63B37/0043 , A63B37/0045 , A63B37/0062 , A63B37/0064 , A63B37/0065 , A63B37/0066 , A63B37/0075
摘要: Golf ball 2 has a center 8, a mid layer 10, a cover 6 and dimples 12. The mid layer 10 includes a styrene block-containing thermoplastic elastomer having a material hardness of less than 10, and an ethylene-(meth)acrylic acid copolymer-based ionomer resin having a material hardness of 50 or greater and 70 or less. This mid layer 10 has a hardness equal to or less than 50, and a thickness of equal to or less than 1.6 mm. The dimple has: a first side wall face 18 that has a curvature radius R1 which is equal to or greater than a phantom curvature radius Rx; a second side wall face 20 that is positioned to the bottom side than the first side wall 18 face and has a curvature radius R2 which is smaller than the phantom curvature radius Rx; and a bottom face 22 that is positioned to the bottom side than the second side wall face 20 and has a curvature radius R3 which is equal to or greater than the phantom curvature radius Rx.
摘要翻译: 高尔夫球2具有中心8,中间层10,盖6和凹坑12。 中间层10包括材料硬度小于10的含苯乙烯嵌段的热塑性弹性体和材料硬度为50以上且70以下的乙烯 - (甲基)丙烯酸共聚物系离聚物树脂。 该中间层10具有等于或小于50的硬度,等于或小于1.6mm的厚度。 凹坑具有:第一侧壁面18,其具有等于或大于虚拟曲率半径Rx的曲率半径R 1; 位于第一侧壁18的底侧的第二侧壁面20面,并且具有小于虚拟曲率半径Rx的曲率半径R 2; 以及位于第二侧壁面20的底面的底面22,其曲率半径R 3为虚拟曲率半径Rx以上。
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