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1. 发明申请

US20180169479A1 GOLF BALL 审中-公开
公开(公告)号：US20180169479A1
公开(公告)日：2018-06-21
申请号：US15783042
申请日：2017-10-13
申请人： DUNLOP SPORTS CO. LTD.
发明人： Hidetaka INOUE , Kazuya KAMINO
IPC分类号： A63B37/00
CPC分类号： A63B37/0075 , A63B37/0051 , A63B37/0092 , A63B37/0096 , A63B69/3655 , C08K5/098
摘要： A golf ball 2 includes a core 4, a mid layer 6, and a cover 8. A hardness H75 at a point to which a distance from a central point of the core 4 is 75% of a radius of the core 4 is greater than a hardness H0 at the central point of the core 4. A difference D1=(H75−H0) is not less than 10.0 and not greater than 27.0 in Shore C hardness. A hardness Hs at a surface of the core 4 is greater than the hardness H75. A difference D2=(Hs−H75) is not less than 0 and not greater than 6.5 in Shore C hardness. The hardness H75 is less than a Shore C hardness HmC of the mid layer 6. A Shore D hardness HmD of the mid layer 6 is greater than a Shore D hardness Hc of the cover 8.

2. 发明申请

US20170182371A1 GOLF BALL 审中-公开
公开(公告)号：US20170182371A1
公开(公告)日：2017-06-29
申请号：US15362208
申请日：2016-11-28
申请人： DUNLOP SPORTS CO. LTD.
发明人： Kohei MIMURA , Kazuya KAMINO , Kosuke TACHIBANA
IPC分类号： A63B37/00
CPC分类号： A63B37/0076 , A63B37/0004 , A63B37/0017 , A63B37/0018 , A63B37/0019 , A63B37/002 , A63B37/0021 , A63B37/0031 , A63B37/0033 , A63B37/004 , A63B37/0043 , A63B37/0044 , A63B37/0045 , A63B37/006 , A63B37/0062 , A63B37/0063 , A63B37/0064 , A63B37/008 , A63B37/0092
摘要： A golf ball 2 includes an inner core 4, an outer core 6, a mid layer 8, a cover 10, and dimples 12. A diameter D1, a volume V1, a hardness H1o at a central point, a boundary inside hardness H1in, and a hardness difference De1 of the inner core 4; a volume V2 (mm3) and a hardness difference De2 of the outer core 6; a thickness Tm and a hardness Hm of the mid layer 8; and a thickness Tc and a hardness Hc of the cover 10 meet the following mathematical formulas. 1.0

3. 发明申请

US20160310797A1 GOLF BALL 有权
标题翻译：高尔夫球
公开(公告)号：US20160310797A1
公开(公告)日：2016-10-27
申请号：US15099186
申请日：2016-04-14
申请人： Dunlop Sports Co. Ltd.
发明人： Kosuke TACHIBANA , Kazuya KAMINO
IPC分类号： A63B37/00
CPC分类号： A63B37/0084 , A63B37/0031 , A63B37/0033 , A63B37/0043 , A63B37/0044 , A63B37/0045 , A63B37/006 , A63B37/0062 , A63B37/0063 , A63B37/0064 , A63B37/0076 , A63B37/0092 , A63B37/0096 , A63B45/00
摘要： An object of the present invention is to provide a golf ball traveling a great distance on driver shots. The present invention provides a golf ball comprising a spherical core including an inner layer and an outer layer, wherein a difference (HX+1−HX−1) between a hardness (HX+1) at a point outwardly away in a radial direction from a boundary between the inner layer and the outer layer of the spherical core by 1 mm and a hardness (HX−1) at a point inwardly away in the radial direction from the boundary between the inner layer and the outer layer of the spherical core by 1 mm is 0 or more in Shore C hardness, a surface hardness (HX+Y) of the spherical core is more than 70 in Shore C hardness, an angle α of a hardness gradient of the inner layer is 0° or more, a difference (α−β) between the angle α and an angle β of a hardness gradient of the outer layer is 0° or more, and the intermediate layer has a highest hardness among the constituent members of the golf ball.
摘要翻译：本发明的目的是提供一种在驾驶员镜头上行驶很远的高尔夫球。本发明提供一种高尔夫球，其包括具有内层和外层的球形芯，其中，在向径向外侧的点处的硬度（HX + 1）之间的差（HX + 1-HX-1）球形芯的内层和外层之间的边界为1mm，并且通过球形芯的内层和外层之间的边界在径向内侧的点处的硬度（HX-1） 1mm的肖氏C硬度为0以上时，球状芯的表面硬度（HX + Y）在肖氏C硬度中大于70，内层的硬度梯度的角度α为0°以上，角度α和外层的硬度梯度的角度β之间的差（α-β）为0°以上，中间层在高尔夫球的构成构件中具有最高的硬度。

4. 发明申请

US20160184657A1 GOLF BALL 审中-公开
标题翻译：高尔夫球
公开(公告)号：US20160184657A1
公开(公告)日：2016-06-30
申请号：US14981004
申请日：2015-12-28
申请人： DUNLOP SPORTS CO. LTD.
发明人： Kosuke TACHIBANA , Kazuya KAMINO
IPC分类号： A63B37/00
CPC分类号： A63B37/0092 , A63B37/004 , A63B37/0044 , A63B37/0045 , A63B37/0062 , A63B37/0063 , A63B37/0064 , A63B37/0075 , A63B37/0076 , A63B37/0077 , A63B37/0094
摘要： An object of the present invention is to provide a golf ball traveling a great distance on driver shots. The present invention provides a golf ball comprising a spherical core including an inner layer and an outer layer, wherein a difference (HX+1−HX−1) between a hardness (HX+1) at a point outwardly away in a radial direction from a boundary between the inner layer and the outer layer of the spherical core by 1 mm and a hardness (HX−1) at a point inwardly away in the radial direction from the boundary between the inner layer and the outer layer of the spherical core by 1 mm is 0 or more in Shore C hardness, a surface hardness (HX+Y) of the spherical core is more than 70 in Shore C hardness, an angle α of a hardness gradient of the inner layer is 0° or more, and a difference (α−β) between the angle α and an angle β of a hardness gradient of the outer layer is 0° or more.
摘要翻译：本发明的目的是提供一种在驾驶员镜头上行驶很远的高尔夫球。本发明提供一种高尔夫球，其包括具有内层和外层的球形芯，其中，在向径向外侧的点处的硬度（HX + 1）之间的差（HX + 1-HX-1）球形芯的内层和外层之间的边界为1mm，并且通过球形芯的内层和外层之间的边界在径向内侧的点处的硬度（HX-1） 1mm的肖氏C硬度为0以上时，球状芯的表面硬度（HX + Y）在肖氏C硬度中大于70，内层的硬度梯度的角度α为0°以上，角度α和角度bgr之间的差异（α＆amp; bgr）的外层的硬度梯度为0°以上。

5. 发明申请

US20170368417A1 GOLF BALL 审中-公开
公开(公告)号：US20170368417A1
公开(公告)日：2017-12-28
申请号：US15490285
申请日：2017-04-18
申请人： DUNLOP SPORTS CO. LTD.
发明人： Kazuya KAMINO , Hidetaka INOUE , Kohei MIMURA
IPC分类号： A63B37/00
CPC分类号： A63B37/0006 , A63B37/0012 , A63B37/0017 , A63B37/0019 , A63B37/0031 , A63B37/0033 , A63B37/0043 , A63B37/0045 , A63B37/0075 , A63B37/0076 , A63B37/0092
摘要： A golf ball 2 includes a core 4, a mid layer 6, a cover 8, and dimples 10. A difference DH in hardness between a surface and a central point of the core 4, a thickness Tm and a hardness Hm of the mid layer 6, a thickness Tc and a hardness Hc of the cover 8, and an amount of compressive deformation Sb meet the following mathematical formulas. (DH*Hm)/(Hc*Tc)>80 ((Sb*Tc)/(Hc* Hm*Tm))*1000>0.75 An area ratio So of dimples 10 and a ratio Rs of a number of the dimples 10 each having a diameter of equal to or greater than 9.60% but equal to or less than 10.37% of a diameter of the golf ball 2 meet the following mathematical formula (3). Rs≧−2.5*So+273 (3)

6. 发明申请

US20170173401A1 GOLF BALL 审中-公开
公开(公告)号：US20170173401A1
公开(公告)日：2017-06-22
申请号：US15343889
申请日：2016-11-04
申请人： DUNLOP SPORTS CO. LTD.
发明人： Kazuya KAMINO , Kosuke TACHIBANA , Toshiyuki TARAO , Mami TANAKA
IPC分类号： A63B37/00
CPC分类号： A63B37/0076 , A63B37/0024 , A63B37/0027 , A63B37/0037 , A63B37/004 , A63B37/0043 , A63B37/0045 , A63B37/006 , A63B37/0062 , A63B37/0063 , A63B37/0064 , A63B37/0096 , C08G83/007 , C08L75/04 , C08L5/16
摘要： A golf ball 2 includes an inner core 4, an outer core 6, a mid layer 8, and a cover 10. A diameter D1, a volume V1, a hardness H1o at a central point, and a boundary inside hardness H1in of the inner core 4; a volume V2, a boundary outside hardness H2out, and a surface hardness H2s of the outer core 6; a thickness Tm and a hardness Hm of the mid layer 8; and a thickness Tc and a hardness Hc of the cover 10 meet the following mathematical formulas (1) to (4): 1.0

7. 发明申请

US20170056731A1 GOLF BALL 有权
标题翻译：高尔夫球
公开(公告)号：US20170056731A1
公开(公告)日：2017-03-02
申请号：US15245921
申请日：2016-08-24
申请人： Dunlop Sports Co. Ltd.
发明人： Toshiyuki TARAO , Hidetaka INOUE , Kazuya KAMINO , Kosuke TACHIBANA
IPC分类号： A63B37/00 , C09D175/08 , A63B37/14
CPC分类号： A63B37/0022 , A63B37/0004 , A63B37/0029 , A63B37/0031 , A63B37/0037 , A63B37/0074 , A63B37/0089 , A63B37/0096 , A63B37/14 , C09D175/08
摘要： An object of the present invention is to provide a golf ball showing an increased spin rate on approach shots under a wet condition while maintaining a spin rate on approach shots under a dry condition. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein the paint film has a multi-layered construction composed of two or more layers, and a difference (Min−Mout) between a 10% elastic modulus (Min) of an innermost layer of the paint film and a 10% elastic modulus (Mout) of an outermost layer of the paint film is 25 kgf/cm2 or more.
摘要翻译：本发明的目的是提供一种高尔夫球，其在湿润状态下显示出现接近射击时的旋转速率增加，同时在干燥条件下保持接近射击的旋转速率。本发明提供一种高尔夫球，其包括高尔夫球体和形成在高尔夫球体的表面上的漆膜，其中涂膜具有由两层或多层组成的多层结构和差异（Min-Mout ）在漆膜的最内层的10％弹性模量（Min）和漆膜的最外层的10％弹性模量（Mout）之间为25kgf / cm 2以上。

8. 发明申请

US20160310799A1 GOLF BALL 有权
标题翻译：高尔夫球
公开(公告)号：US20160310799A1
公开(公告)日：2016-10-27
申请号：US15138484
申请日：2016-04-26
申请人： DUNLOP SPORTS CO. LTD.
发明人： Kazuya KAMINO , Kosuke TACHIBANA
IPC分类号： A63B37/00
CPC分类号： A63B37/0092 , A63B37/0031 , A63B37/0033 , A63B37/0037 , A63B37/0039 , A63B37/004 , A63B37/0043 , A63B37/0044 , A63B37/0045 , A63B37/0049 , A63B37/006 , A63B37/0062 , A63B37/0063 , A63B37/0064 , A63B37/0076
摘要： An object of the present invention is to provide a golf ball traveling a great distance on driver shots. The present invention provides a golf ball comprising a spherical core including an inner layer and an outer layer, an intermediate layer and and a cover, wherein a difference (HX+1−HX−1) between a hardness (HX+1) at a point outwardly away in a radial direction from a boundary between the inner layer and the outer layer of the spherical core by 1 mm and a hardness (HX−1) at a point inwardly away in the radial direction from the boundary between the inner layer and the outer layer of the spherical core by 1 mm is 0 or more in Shore C hardness, a surface hardness (HX+Y) of the spherical core is more than 70 in Shore C hardness, an angle α of a hardness gradient of the inner layer is 0° or more, a difference (α−β) between the angle α and an angle β of a hardness gradient of the outer layer is 0° or more, the intermediate layer has a material hardness (Hm) ranging from 65 to 80 in Shore D hardness, and the intermediate layer has a highest hardness among the constituent members of the golf ball.
摘要翻译：本发明的目的是提供一种在驾驶员镜头上行驶很远的高尔夫球。本发明提供一种高尔夫球，其包括具有内层和外层的球形芯，中间层和盖，其中，在（a）中的硬度（HX + 1）之间的差异（HX + 1-HX-1）从球形芯的内层和外层之间的边界沿径向向外指向1mm，并且在距离内层和内层之间的边界的径向内侧的点处具有硬度（HX-1）球状芯的外层1mm的肖氏C硬度为0以上，球状芯的表面硬度（HX + Y）在肖氏C硬度中大于70，内部的硬度梯度的角度α 层的厚度为0°以上，外层的硬度梯度的角度α和角度β之间的差（α-β）为0°以上，中间层的材料硬度（Hm）为65〜 80的肖氏D硬度，中间层在成分记忆中具有最高的硬度高尔夫球的rs。

9. 发明申请

US20130226541A1 METHOD FOR SIMULATING RUN 有权
标题翻译：模拟运行的方法
公开(公告)号：US20130226541A1
公开(公告)日：2013-08-29
申请号：US13778286
申请日：2013-02-27
申请人： DUNLOP SPORTS CO. LTD.
发明人： Kazuya KAMINO
IPC分类号： G06F17/50
CPC分类号： G06F17/5009 , A63B2069/403 , A63B2220/20
摘要： This method simulates a run which is a distance between a landing point and a final arriving point using an initial condition of a hit ball and an actually measured falling condition. Preferably, the initial condition includes initial side spin. Preferably, the falling condition is a falling velocity. Preferably, a calculation formula of the run is a quadratic function having the initial condition and the falling condition as variables. Preferably, when the run is defined as Dr (yard); a target direction component of the falling velocity is defined as Vx (m/s); a vertical direction component of the falling velocity is defined as Vy (m/s); and the initial side spin is defined as S (rpm), the run is calculated according to the following formula (1): Dr=C1×Vx2−C2×Vx+C3Vy2+C4×Vy−C5×S+C6 (1)
摘要翻译：该方法使用命中球的初始条件和实际测量的下降条件来模拟作战着陆点和最终到达点之间的距离。优选地，初始条件包括初始侧旋转。优选地，下降条件是下降速度。优选地，运行的计算公式是具有初始条件和下降条件作为变量的二次函数。优选地，当跑道被定义为Dr（码）时; 下降速度的目标方向分量定义为Vx（m / s）; 下降速度的垂直方向分量定义为Vy（m / s）; 并且初始侧旋转定义为S（rpm），根据下式（1）计算运行：Dr = C1×Vx2-C2×Vx + C3Vy2 + C4×Vy-C5×S + C6（1）

10. 发明申请

US20170173398A1 GOLF BALL 有权
公开(公告)号：US20170173398A1
公开(公告)日：2017-06-22
申请号：US15381966
申请日：2016-12-16
申请人： Dunlop Sports Co. Ltd.
发明人： Kosuke TACHIBANA , Kazuya KAMINO , Toshiyuki TARAO , Hidetaka INOUE
IPC分类号： A63B37/00
CPC分类号： A63B37/0022 , A63B37/0029 , A63B37/0031 , A63B37/0033 , A63B37/0043 , A63B37/0045 , A63B37/0062 , A63B37/0063 , A63B37/0075 , A63B37/0076 , A63B37/0092 , C09D175/00 , C09D175/04
摘要： An object of the present invention is to provide a golf ball travelling a great flight distance on driver shots, exhibiting an excellent spin performance on approach shots under a dry condition and a wet condition, and showing an excellent shot feeling and durability. The present invention provides a golf ball comprising a golf ball body having a spherical core, an intermediate layer and a cover, and a paint film composed of two or more layers, wherein a 10% elastic modulus difference (Min−Mout) between an innermost layer and an outermost layer of the paint film is 25 kgf/cm2 or more.

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