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41. 发明授权

US07041013B2 Golf ball 失效
公开(公告)号：US07041013B2
公开(公告)日：2006-05-09
申请号：US10817919
申请日：2004-04-06
申请人： Keiji Ohama , Takahiro Sajima
发明人： Keiji Ohama , Takahiro Sajima
IPC分类号： A63B37/12
CPC分类号： A63B37/0004 , A63B37/0006 , A63B37/001 , A63B37/0015 , A63B37/0017 , A63B37/0074
摘要： Golf ball 1 has numerous dimples 4 on its surface. The dimple 4 comprises an inclined face 6, a circular flat face 7, an annular groove 8 and a round flat face 9. Surface area s1 is calculated by summing up the surface area of the inclined face 6, the surface area of the circular flat face 7, the surface area of the annular groove 8 and the surface area of the round flat face 9. The ratio (S1/S2) between a summation S1 of surface areas s1 of all the dimples, and a summation S2 of the areas s2 of the regions cut away by the dimples on the phantom spherical face is equal to or greater than 1.02. Total value (Cb+Cc) of the amount of compressive deformation Cb of the golf ball 1 and the amount of compressive deformation Cc of the core is equal to or greater than 7.0 mm.

42. 发明授权

US06905647B2 Process for producing golf ball 失效
标题翻译：生产高尔夫球的方法
公开(公告)号：US06905647B2
公开(公告)日：2005-06-14
申请号：US10254838
申请日：2002-09-26
申请人： Seiichiro Endo , Keiji Ohama
发明人： Seiichiro Endo , Keiji Ohama
IPC分类号： A63B45/00 , B29C33/00 , B29C43/02 , B29C43/14 , B29C43/18 , B29K21/00 , B29L31/54 , B29C65/18 , B29C65/02 , B29C70/46 , B29C70/58
CPC分类号： B29C43/021 , B29C33/0055 , B29C43/146 , B29C43/52 , B29C2043/148 , B29C2043/5833 , B29C2043/5841 , B29K2021/00 , B29K2105/251 , B29L2031/54 , B29L2031/545 , Y10S425/812
摘要： Golf ball 1 includes a core 2 and a cover 3. The core 2 has two layers including a center 4 and a mid layer 5. The mid layer 5 is formed by covering the center 4 with two half shells comprising a rubber composition, and by compression and heating of the center 4 and half shells in a mold. The rubber composition contains solid particles dispersed therein. The solid particles have a ratio “D/T”, i.e., a ratio of the particle size D to the thickness of the mid layer T, of equal to or greater than 0.3. Upon molding, the solid particles inhibit the center 4 to approach a cavity face. Accordingly, deviation of mass of the mid layer 5 can be suppressed. The solid particles have a ratio “W/T”, i.e., a ratio of the radial width W thereof to the thickness of the mid layer T, of from 0.3 to 1.0.
摘要翻译：高尔夫球1包括芯2和盖3。芯2具有包括中心4和中间层5的两层。中间层5通过用包含橡胶组合物的两个半壳覆盖中心4并且通过将模具中的中心4和半壳体压缩和加热来形成。橡胶组合物含有分散在其中的固体颗粒。固体颗粒具有比例“D / T”，即粒径D与中间层T的厚度之比等于或大于0.3。在成型时，固体颗粒抑制中心4接近空腔面。因此，可以抑制中间层5的质量的偏差。固体颗粒的比率“W / T”，即其径向宽度W与中间层T的厚度之比为0.3至1.0。

43. 发明授权

US06843735B2 Golf ball 有权
标题翻译：高尔夫球
公开(公告)号：US06843735B2
公开(公告)日：2005-01-18
申请号：US10360656
申请日：2003-02-10
申请人： Takahiro Sajima , Keiji Ohama
发明人： Takahiro Sajima , Keiji Ohama
IPC分类号： A63B37/00 , A63B37/12
CPC分类号： A63B37/0004 , A63B37/0006 , A63B37/0012 , A63B37/0017 , A63B37/0018 , A63B37/0019 , A63B37/002 , A63B37/0021 , A63B37/0022 , A63B37/0024 , A63B37/0031 , A63B37/0039 , A63B37/0043 , A63B37/0045 , A63B37/0064 , A63B37/0075 , A63B37/008 , A63B37/0083 , A63B37/0092 , A63B37/0094
摘要： A golf ball which includes a core, a cover having Shore D hardness of equal to or greater than 58, and numerous dimples formed on the surface of said cover, wherein a proportion R1 of number of dimples having a ratio (B/T), which is a ratio of a height B of a bottom of the dimple to a nominal thickness T of the cover, of equal to or less than 0.80 occupied in total number of the dimples is equal to or greater than 10%.
摘要翻译：一种高尔夫球，其包括芯，具有等于或大于58的肖氏D硬度的盖和形成在所述盖的表面上的多个凹坑，其中具有比率（B / T）的凹坑数量的比例R1，凹坑的底部的高度B与盖的标称厚度T的比值等于或小于在凹坑总数中占据的0.80的比例等于或大于10％。

44. 发明授权

US06712718B2 Three-piece solid golf ball 有权
标题翻译：三件式固体高尔夫球
公开(公告)号：US06712718B2
公开(公告)日：2004-03-30
申请号：US10277727
申请日：2002-10-23
申请人： Seiichiro Endo , Keiji Ohama
发明人： Seiichiro Endo , Keiji Ohama
IPC分类号： A63B3706
CPC分类号： A63B37/0003 , A63B37/0018 , A63B37/0021 , A63B37/0031 , A63B37/0043 , A63B37/0062 , C08L23/0876 , C08L101/00 , C08L2666/14
摘要： The present invention provides a three-piece solid golf ball, of which flight distance is improved by accomplishing high launch angle and low spin amount in initial flight performance, while maintaining good shot feel such that the rebound characteristics are good, when hit at low head speed. The present invention relates to a three-piece solid golf ball comprising a center, an intermediate layer and a cover having many dimples on the surface thereof, wherein hardness distribution of the center; hardness distribution between each layer and the contiguous layer in the golf ball; and a ratio of the golf ball surface area occupied by the dimple to the total surface area of the golf ball and the total of a periphery length of the dimple; are adjusted to specified ranges.
摘要翻译：本发明提供一种三件式实心高尔夫球，其飞行距离通过在初始飞行性能中实现高发射角度和低旋转量而得到改善，同时保持良好的射击感觉，使得当低射击时回弹特性良好速度。本发明涉及一种三件式实心高尔夫球，其中，中间层和表面上具有许多凹坑的盖，其中心的硬度分布; 高尔夫球中各层与连续层之间的硬度分布; 以及由凹坑占据的高尔夫球表面积与高尔夫球的总表面积的比值以及凹坑的周长的总和; 被调整到指定范围。

45. 发明授权

US06645090B2 Multi-piece solid golf ball 有权
公开(公告)号：US06645090B2
公开(公告)日：2003-11-11
申请号：US09972869
申请日：2001-10-10
申请人： Keiji Ohama , Seiichiro Endo
发明人： Keiji Ohama , Seiichiro Endo
IPC分类号： A63B3704
CPC分类号： A63B37/0004 , A63B37/0003 , A63B37/0017 , A63B37/0018 , A63B37/0019 , A63B37/002 , A63B37/0031 , A63B37/0032 , A63B37/0062 , A63B37/0063 , A63B37/0075 , A63B37/0092
摘要： The present invention provides a multi-piece solid golf ball having good shot feel, excellent durability and excellent flight performance. The present invention relates to a multi-piece solid golf ball comprising a core having at least one layer, an inner cover formed on the core and an outer cover formed on the inner cover, of which the outer cover has many dimples on the surface thereof, wherein a surface hardness in JIS-C hardness of the core is higher than a center hardness in JIS-C hardness of the core by less than 5, the inner cover has a hardness in Shore D hardness of less than 53 and the hardness of the inner cover is higher than the surface hardness of the core, and a hardness of the outer cover is higher than that of the inner cover.

46. 发明授权

US06558275B2 Three-piece solid golf ball 有权
标题翻译：三件式固体高尔夫球
公开(公告)号：US06558275B2
公开(公告)日：2003-05-06
申请号：US09777685
申请日：2001-02-07
申请人： Keiji Ohama
发明人： Keiji Ohama
IPC分类号： A63B3704
CPC分类号： A63B37/06 , A63B37/0003 , A63B37/0031 , A63B37/0033 , A63B37/0043 , A63B37/0062 , A63B37/0075 , A63B37/0091 , A63B37/12
摘要： The present invention provides a three-piece solid golf ball having good shot feel and excellent flight performance. The present invention relates to a three-piece solid golf ball comprising a core, an intermediate layer formed on the core, and a cover covering the intermediate layer, wherein the golf ball is obtained by adjusting a correlation between the amounts of organic sulfide compound, organic peroxide and co-crosslinking agent in a rubber composition for a core, and a correlation between surface hardness of the core, intermediate layer hardness, cover hardness, thickness of the intermediate layer and thickness of the cover, to a specified range.
摘要翻译：本发明提供具有良好的拍摄感觉和优异的飞行性能的三件式实心高尔夫球。本发明涉及一种三件式固体高尔夫球，其包括芯，形成在芯上的中间层和覆盖中间层的盖，其中通过调节有机硫化物化合物的量之间的相关性获得高尔夫球，用于芯的橡胶组合物中的有机过氧化物和共交联剂，芯的表面硬度，中间层硬度，覆盖层硬度，中间层的厚度和覆盖层的厚度之间的相关性在指定范围内。

47. 发明授权

US6139447A Rubber composition for golf ball and golf ball produced using the same 有权
标题翻译：使用该高尔夫球和高尔夫球的高尔夫球的橡胶组合物
公开(公告)号：US6139447A
公开(公告)日：2000-10-31
申请号：US175580
申请日：1998-10-20
申请人： Keiji Ohama
发明人： Keiji Ohama
IPC分类号： A63B37/00 , A63B37/02 , C08L9/00 , A63B37/12
CPC分类号： A63B37/0003 , C08L9/00 , A63B37/0062 , A63B37/0073 , A63B37/0074 , C08L2205/02
摘要： The present invention provides a rubber composition for a golf ball, including: 100 parts by weight of a base rubber which is a mixture of polybutadiene (A) having Mooney viscosity of 40 to 65 and polybutadiene (B) having Mooney viscosity of 20 to 35, a weight ratio the polybutadiene (A)/the polybutadiene (B) being 40/60 to 90/10; and 5 to 60 parts by weight of vulcanized rubber powder. The polybutadiene (A) and the polybutadiene (B) respectively includes 40 or more percent of cis-1,4 bonds.
摘要翻译：本发明提供一种高尔夫球用橡胶组合物，其包含：100重量份作为门尼粘度为40〜65的聚丁二烯（A）和门尼粘度为20〜35的聚丁二烯（B）的混合物的基础橡胶，聚丁二烯（A）/聚丁二烯（B）的重量比为40/60〜90/10; 和5〜60重量份的硫化橡胶粉末。聚丁二烯（A）和聚丁二烯（B）分别包含40％以上的顺式-1,4键。

48. 发明授权

US08986138B2 Golf ball 有权
标题翻译：高尔夫球
公开(公告)号：US08986138B2
公开(公告)日：2015-03-24
申请号：US12490847
申请日：2009-06-24
申请人： Hirotaka Nakamura , Keiji Ohama , Kazuhiko Isogawa
发明人： Hirotaka Nakamura , Keiji Ohama , Kazuhiko Isogawa
IPC分类号： A63B37/06 , A63B37/02 , A63B37/00
CPC分类号： A63B37/02 , A63B37/0003 , A63B37/0039 , A63B37/0043 , A63B37/0045 , A63B37/0051 , A63B37/0062 , A63B37/0064
摘要： A golf ball 2 has a core 4, an inner cover 6 positioned outside this 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 this center 10. The center 10 is formed by crosslinking a rubber composition. The mid layer 12 is formed by crosslinking a rubber composition. The inner cover 6 is made of a thermoplastic resin composition. The outer cover 8 is made of a thermoplastic resin composition. The center 10 has a diameter of 1 mm or greater and 15 mm or less. The center 10 has a central point having JIS-C hardness H1 of 20 or greater and 50 or less. A difference (H4−H3) between a hardness H4 of a surface of the core and a hardness H3 of an innermost part of the mid layer is equal to or greater than 10. A hardness H5 of the inner cover is smaller than a hardness H6 of the outer cover.
摘要翻译：高尔夫球2具有芯部4，位于该芯部4外部的内部盖6和位于内部盖6外侧的外部盖8.芯部4具有球形中心10和位于该中心10外部的中间层12。中心10通过交联橡胶组合物形成。中间层12通过交联橡胶组合物形成。内盖6由热塑性树脂组合物制成。外盖8由热塑性树脂组合物制成。中心部10的直径为1mm以上且15mm以下。中心部10具有JIS-C硬度H1为20以上且50以下的中心点。芯的表面的硬度H4与中层的最内部的硬度H3之间的差（H4-H3）等于或大于10.内盖的硬度H5小于硬度H6 的外盖。

49. 发明授权

US08777780B2 Golf ball 有权
标题翻译：高尔夫球
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。

50. 发明授权

US08690714B2 Golf ball material and golf ball 有权
标题翻译：高尔夫球材料和高尔夫球
公开(公告)号：US08690714B2
公开(公告)日：2014-04-08
申请号：US12977129
申请日：2010-12-23
申请人： Kazuyoshi Shiga , Toshiyuki Tarao , Keiji Ohama
发明人： Kazuyoshi Shiga , Toshiyuki Tarao , Keiji Ohama
IPC分类号： A63B37/04
CPC分类号： A63B37/0062 , A63B37/0003 , A63B37/0024 , A63B37/0033 , A63B37/0043 , A63B37/0045 , A63B37/12 , C08K3/013 , C08L75/04
摘要： An object of the present invention is to provide a golf ball material producing a high spin rate on approach shots and a low spin rate on driver shots and a golf ball using the same. The present invention provides a golf ball material having a ratio [Shore D/log(bending stiffness)] of Shore D hardness to a logarithm of bending stiffness (kgf/cm2) of 19.0 or more.
摘要翻译：本发明的目的是提供一种在接近射击时产生高旋转速率的高尔夫球材料，以及使用该高尔夫球材料的驾驶员镜头的低旋转速度和使用该高尔夫球的高尔夫球。本发明提供一种具有肖氏D硬度与弯曲刚度对数（kgf / cm 2）的比（肖氏D / log（弯曲刚度））为19.0以上的高尔夫球材料。

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