公开(公告)号：US08840493B2

公开(公告)日：2014-09-23

申请号：US12880667

申请日：2010-09-13

申请人： Hirotaka Nakamura ,  Keiji Ohama ,  Seiichiro Endo

发明人： Hirotaka Nakamura ,  Keiji Ohama ,  Seiichiro Endo

IPC分类号： A63B37/06 ,  A63B37/00

CPC分类号： A63B37/0092 ,  A63B37/0022 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0076

摘要： Golf ball 2 has spherical core 4, surrounding layer 6 situated on the external side of the core 4, mid layer 8 situated on the external side of the surrounding layer 6, cover 10 situated on the external side of the mid layer 8, and paint layer 12 situated on the external side of the cover 10. The mid layer 8 has a thickness Tm of 0.1 mm or greater and 1.2 mm or less. The ratio (Tc/Tm) of the thickness Tc of the cover 10 to the thickness Tm of the mid layer 8 is no greater than 0.50. The cover 10 has a Shore D hardness Hc of no greater than 35. The Shore D hardness Hm of the mid layer 8 is greater than the Shore D hardness Hc of the cover 10. The base material of the surrounding layer 6 is an ionomer resin. The base material of the mid layer 8 is a polyurethane. The base material of the cover 10 is a polyurethane.

摘要翻译： 高尔夫球2具有球形芯4，位于铁芯4的外侧的周围层6，位于周围层6的外侧的中间层8，位于中间层8的外侧的盖10和涂料 层12位于盖10的外侧。中间层8的厚度Tm为0.1mm以上且1.2mm以下。 盖10的厚度Tc与中间层8的厚度Tm的比（Tc / Tm）不大于0.50。 盖10的肖氏D硬度Hc不大于35.中间层8的肖氏D硬度Hm大于盖10的肖氏D硬度Hc。周围层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：US20110092315A1

公开(公告)日：2011-04-21

申请号：US12880667

申请日：2010-09-13

申请人： Hirotaka NAKAMURA ,  Keiji Ohama ,  Seiichiro Endo

发明人： Hirotaka NAKAMURA ,  Keiji Ohama ,  Seiichiro Endo

IPC分类号： A63B37/02 ,  A63B37/12

CPC分类号： A63B37/0092 ,  A63B37/0022 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0076

摘要： Golf ball 2 has spherical core 4, surrounding layer 6 situated on the external side of the core 4, mid layer 8 situated on the external side of the surrounding layer 6, cover 10 situated on the external side of the mid layer 8, and paint layer 12 situated on the external side of the cover 10. The mid layer 8 has a thickness Tm of 0.1 mm or greater and 1.2 mm or less. The ratio (Tc/Tm) of the thickness Tc of the cover 10 to the thickness Tm of the mid layer 8 is no greater than 0.50. The cover 10 has a Shore D hardness Hc of no greater than 35. The Shore D hardness Hm of the mid layer 8 is greater than the Shore D hardness Hc of the cover 10. The base material of the surrounding layer 6 is an ionomer resin. The base material of the mid layer 8 is a polyurethane. The base material of the cover 10 is a polyurethane.

摘要翻译： 高尔夫球2具有球形芯4，位于铁芯4的外侧的周围层6，位于周围层6的外侧的中间层8，位于中间层8的外侧的盖10和涂料 层12位于盖10的外侧。中间层8的厚度Tm为0.1mm以上且1.2mm以下。 盖10的厚度Tc与中间层8的厚度Tm的比（Tc / Tm）不大于0.50。 盖10的肖氏D硬度Hc不大于35.中间层8的肖氏D硬度Hm大于盖10的肖氏D硬度Hc。周围层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：US07691010B2

公开(公告)日：2010-04-06

申请号：US10937331

申请日：2004-09-10

申请人： Keiji Ohama ,  Takahiro Sajima ,  Seiichiro Endo

发明人： Keiji Ohama ,  Takahiro Sajima ,  Seiichiro Endo

IPC分类号： A63B37/12

CPC分类号： C08F265/04 ,  A63B37/0004 ,  A63B37/0006 ,  A63B37/0012 ,  A63B37/0017 ,  A63B37/0018 ,  A63B37/002 ,  A63B37/0021 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0039 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0075 ,  A63B37/12 ,  C08F279/02 ,  C08F285/00 ,  C08L23/0876 ,  C08L53/00 ,  C08F236/06 ,  C08F220/14 ,  C08L2666/06

摘要： A golf ball 2 has a core, a mid layer and a cover. This mid layer comprises 10 parts by weight or greater and 70 parts by weight or less of a thermoplastic elastomer containing a styrene block having a material hardness of less than 10, and 30 parts by weight or greater and 90 parts by weight or less of an ethylene-(meth)acrylic acid copolymer based ionomer resin having a material hardness of 50 or greater and 70 or less. Hardness of this mid layer is less than 40, and the thickness is equal to or less than 1.2 mm. This golf ball 2 has seven kinds of dimples (A to G), each having a different diameter. When all the dimples are arranged in decreasing order of the diameter Di, ratio (Dx/Dn) of the mean diameter Dx of the dimples ranking in the top 10% to the mean diameter Dn of the dimples ranking in the bottom 10% is equal to or greater than 1.30. Standard deviation η of diameters of all the dimples is equal to or less than 0.52.

摘要翻译： 高尔夫球2具有芯，中间层和盖。 该中间层包含10重量份以上和70重量份以下的含有材料硬度小于10的苯乙烯嵌段的热塑性弹性体和30重量份以上且90重量份以下的 乙烯 - （甲基）丙烯酸共聚物基离聚物树脂，其材料硬度为50以上且70以下。 该中间层的硬度小于40，厚度等于或小于1.2mm。 该高尔夫球2具有七种凹坑（A至G），每种具有不同的直径。 当所有凹坑以直径Di的降序排列时，排列在前10％的凹坑的平均直径Dx与底部10％中的凹坑的平均直径Dn的比（Dx / Dn）相等 至1.30以上。 标准偏差 所有凹坑的直径等于或小于0.52。

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。

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。

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.

公开(公告)号：US06986718B2

公开(公告)日：2006-01-17

申请号：US10186610

申请日：2002-07-02

申请人： Keiji Ohama ,  Seiichiro Endo

发明人： Keiji Ohama ,  Seiichiro Endo

IPC分类号： A63B37/06

CPC分类号： A63B37/0003 ,  A63B37/0031 ,  A63B37/0062 ,  A63B37/0075 ,  A63B37/0092 ,  A63B37/06 ,  A63B37/12

摘要： The present invention provides a multi-piece solid golf ball, of which flight performance is improved while maintaining excellent durability and good shot feel. The present invention relates to a multi-piece solid golf ball comprising a core, at least one layer of an inner cover formed on the core and an outer cover covering the inner cover, 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 not less than 25, a hardness in JIS-C hardness of the inner cover is higher than the surface hardness of the core by less than 15, and a hardness in JIS-C hardness of the outer cover is higher than the hardness of the inner cover by not less than 5.

公开(公告)号：US20050107189A1

公开(公告)日：2005-05-19

申请号：US10937331

申请日：2004-09-10

申请人： Keiji Ohama ,  Takahiro Sajima ,  Seiichiro Endo

发明人： Keiji Ohama ,  Takahiro Sajima ,  Seiichiro Endo

IPC分类号： A63B37/00 ,  A63B37/04 ,  A63B37/12 ,  C08F265/04 ,  C08F279/02 ,  C08F285/00 ,  C08L23/08 ,  C08L53/00

CPC分类号： C08F265/04 ,  A63B37/0004 ,  A63B37/0006 ,  A63B37/0012 ,  A63B37/0017 ,  A63B37/0018 ,  A63B37/002 ,  A63B37/0021 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0039 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0075 ,  A63B37/12 ,  C08F279/02 ,  C08F285/00 ,  C08L23/0876 ,  C08L53/00 ,  C08F236/06 ,  C08F220/14 ,  C08L2666/06

摘要： A golf ball 2 has a core, a mid layer and a cover. This mid layer comprises 10 parts by weight or greater and 70 parts by weight or less of a thermoplastic elastomer containing a styrene block having a material hardness of less than 10, and 30 parts by weight or greater and 90 parts by weight or less of an ethylene-(meth)acrylic acid copolymer based ionomer resin having a material hardness of 50 or greater and 70 or less. Hardness of this mid layer is less than 40, and the thickness is equal to or less than 1.2 mm. This golf ball 2 has seven kinds of dimples (Ato G), each having a different diameter. When all the dimples are arranged in decreasing order of the diameter Di, ratio (Dx/Dn) of the mean diameter Dx of the dimples ranking in the top 10% to the mean diameter Dn of the dimples ranking in the bottom 10% is equal to or greater than 1.30. Standard deviation η of diameters of all the dimples is equal to or less than 0.52

摘要翻译： 高尔夫球2具有芯，中间层和盖。 该中间层包含10重量份以上和70重量份以下的含有材料硬度小于10的苯乙烯嵌段的热塑性弹性体和30重量份以上且90重量份以下的 乙烯 - （甲基）丙烯酸共聚物基离聚物树脂，其材料硬度为50以上且70以下。 该中间层的硬度小于40，厚度等于或小于1.2mm。 该高尔夫球2具有七种凹坑（Ato G），每种具有不同的直径。 当所有凹坑以直径Di的降序排列时，排列在前10％的凹坑的平均直径Dx与底部10％中的凹坑的平均直径Dn的比（Dx / Dn）相等 至1.30以上。 所有凹坑的直径的标准偏差eta等于或小于0.52

公开(公告)号：US06659888B2

公开(公告)日：2003-12-09

申请号：US10277728

申请日：2002-10-23

申请人： Seiichiro Endo ,  Keiji Ohama

发明人： Seiichiro Endo ,  Keiji Ohama

IPC分类号： A63B3704

CPC分类号： A63B37/0003 ,  A63B37/0004 ,  A63B37/0018 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/0075 ,  A63B37/02

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 soft and good shot feel, 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： 本发明提供了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，同时在低头速度下击打时保持柔和良好的拍摄感觉。 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。

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。