-
公开(公告)号：US10213655B2
公开(公告)日：2019-02-26
申请号：US15223778
申请日：2016-07-29
摘要： An object of the present invention is to provide a golf ball having an excellent initial velocity when being hit at a head speed of 50 m/sec and an improved initial velocity when being hit at a head speed of 40 m/sec. The present invention provides a golf ball comprising a spherical core and a cover covering the spherical core, wherein the golf ball has a rebound equivalence energy ratio (R40) ranging from 65.50% to 99.0% at a deformation amount of 7%, and a rebound equivalence energy ratio (R50) ranging from 20.0% to 70.0% at a deformation amount of 19%, in a compression test (measurement temperature: −70° C., compression speed: 30 mm/min) applying a load to the golf ball along a radial direction of the golf ball.
-
公开(公告)号：US09849344B2
公开(公告)日：2017-12-26
申请号：US15229876
申请日：2016-08-05
CPC分类号： A63B37/0087 , A63B37/0024 , A63B37/0031 , A63B37/0037 , A63B37/0039 , A63B37/0043 , A63B37/0049 , A63B37/0051 , A63B37/0062 , A63B37/0063 , A63B37/0065 , A63B37/0074 , A63B37/0075 , A63B37/0077 , A63B2037/0079 , A63B2225/02 , C08K5/0025 , C08K5/098 , G01B5/0023
摘要： An object of the present invention is to provide a golf ball traveling a great flight distance. The present invention provides a golf ball comprising a spherical core and a cover covering the spherical core, wherein the golf ball has a ratio (t2/t1) of a time (t2) to a time (t1) of 1.05 or more in a hitting test using a driver (at a head speed of 40 m/sec), wherein the time (t1) is a time taken from a moment that the driver begins to contact with the golf ball to a moment that the golf ball reaches a maximum deformation amount, and the time (t2) is a time taken from the moment that the golf ball reaches the maximum deformation amount to a moment that the golf ball leaves the driver.
-
公开(公告)号：US09302158B2
公开(公告)日：2016-04-05
申请号：US14292227
申请日：2014-05-30
发明人： Ayaka Shindo , Chiemi Mikura , Ryota Sakamine
CPC分类号： A63B37/0051 , A63B37/0007 , A63B37/0018 , A63B37/0063 , A63B37/0074 , A63B37/0075 , A63B37/0076 , A63B37/0092 , A63B37/0096 , A63B2037/0079 , C08K5/09 , C08K5/098 , C08K5/37 , C08K5/372 , C08K5/375 , C08K5/38
摘要： A golf ball, showing a lower spin rate and a greater flight distance on driver shots by controlling a hardness distribution of the spherical core thereof, comprises a spherical core and at least one cover layer covering the spherical core. The spherical core is formed from a rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, (d1) a salt of a carboxylic acid having 1 to 4 carbon atoms, or an aromatic carboxylic acid and/or a salt thereof, and (d2) at least one compound selected from the group consisting of an aliphatic carboxylic acid having 5 or more carbon atoms, a salt of an aliphatic carboxylic acid having 5 or more carbon atoms, thiobenzoic acids, salts of thiobenzoic acids, a mercaptocarboxylic acid derivative and a dithiodicarboxylic acid derivative.
摘要翻译： 通过控制其球形芯的硬度分布，显示较低旋转速度和较高的驾驶员射击距离的高尔夫球包括球形芯和覆盖球形芯的至少一个覆盖层。 球形芯由含有（a）基础橡胶（b）具有3-8个碳原子的α，β-不饱和羧酸和/或其金属盐作为共交联剂的橡胶组合物形成（（ c）交联引发剂，（d1）具有1至4个碳原子的羧酸盐或芳族羧酸和/或其盐，和（d2）至少一种选自脂肪族 具有5个或更多个碳原子的羧酸，具有5个或更多个碳原子的脂族羧酸的盐，硫代苯甲酸，硫代苯甲酸的盐，巯基羧酸衍生物和二硫代二羧酸衍生物。
-
公开(公告)号：US09855467B2
公开(公告)日：2018-01-02
申请号：US14291229
申请日：2014-05-30
发明人： Ayaka Shindo , Chiemi Mikura , Ryota Sakamine , Sho Goji
IPC分类号： A63B37/02 , A63B37/04 , A63B37/06 , A63B37/00 , C08K5/00 , C08L9/00 , C08K5/09 , C08G18/48 , C08G18/76 , C08L75/08 , C08K5/098 , C08K5/14
CPC分类号： A63B37/0092 , A63B37/0051 , A63B37/0063 , A63B37/0065 , A63B37/0074 , C08G18/4854 , C08G18/7671 , C08K5/0025 , C08K5/09 , C08K5/098 , C08K5/14 , C08L9/00 , C08L75/08 , C08L2666/52 , C08L21/00
摘要： An object of the present invention is to provide a golf ball showing a great flight distance on driver shots. The present invention provides a golf ball comprising a spherical core and at least one cover layer covering the spherical core, wherein when JIS-C hardness of the spherical core is measured at points located at distances of 0% (core center), 37.5%, 75.0% and 100% (core surface) from the core center of the spherical core, a hardness difference (Hs−Ho) between a surface hardness (Hs) thereof and a center hardness (Ho) thereof is 20 or more, a ratio ((H37.5−Ho)/(H75.0−Ho)) of a hardness difference (H37.5−Ho) to a hardness difference (H75.0−Ho) is 0.6 or less, and a compression deformation amount (D (mm)) of the spherical core and the 37.5% point hardness (H37.5) satisfy a relation of H37.5≦−9×D+95.
-
公开(公告)号：US09283439B2
公开(公告)日：2016-03-15
申请号：US14158325
申请日：2014-01-17
发明人： Ryota Sakamine , Chiemi Mikura , Ayaka Shindo
CPC分类号： A63B37/0051 , A63B37/0007 , A63B37/0018 , A63B37/0054 , A63B37/0062 , A63B37/0063 , A63B37/0074 , A63B37/0075 , A63B37/0076 , A63B37/0092 , A63B37/0096 , A63B2037/0079 , C08K5/1535 , C08K5/45
摘要： An object of the present invention is to provide a golf ball showing a low spin rate on driver shots. The present invention provides a golf ball comprising a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator and (d) a carboxylic acid having a heterocyclic ring and/or a salt thereof, provided that the rubber composition further contains (e) a metal compound in case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.
摘要翻译： 本发明的目的是提供一种在驾驶员镜头上显示低旋转速率的高尔夫球。 本发明提供了一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，该橡胶组合物含有（a）基础橡胶，（b）α， 具有3-8个碳原子的羧酸和/或其金属盐作为共交联剂，（c）交联引发剂和（d）具有杂环的羧酸和/或其盐，条件是橡胶 组合物还含有（e）在仅含（b）具有3至8个碳原子的α，bgr-不饱和羧酸作为共交联剂的情况下的金属化合物。
-
公开(公告)号：US10590259B2
公开(公告)日：2020-03-17
申请号：US15716972
申请日：2017-09-27
摘要： A golf ball includes a spherical core, and a cover covering the spherical core. The spherical core is formed from a rubber composition including a base rubber, a co-cross-linking agent, a cross-linking initiator, and an unsaturated fatty acid and/or a metal salt thereof, the co-cross-linking agent includes α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof, the unsaturated fatty acid and/or metal salt thereof excludes an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and a metal salt thereof, an unsaturated aliphatic carboxylic acid that forms the unsaturated fatty acid and/or metal salt thereof has a functional group other than a carboxy group and a carbon-carbon unsaturated bond, and the rubber composition further includes a metal compound when the co-cross-linking agent is only an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms.
-
公开(公告)号：US10188910B2
公开(公告)日：2019-01-29
申请号：US15782069
申请日：2017-10-12
摘要： An object of the present invention is to provide a golf ball having an excellent flight performance on driver shots. The present invention provides a golf ball comprising a spherical core and at least one cover covering the spherical core, wherein a hardness difference D1 (H75−H0) between a hardness H75 at a point located at a distance of 75% of a core radius from a center of the spherical core and a center hardness H0 of the spherical core is 15 or more and 35 or less in Shore C hardness, a hardness difference D2 (Hs−H75) between a surface hardness Hs of the spherical core and the hardness H75 at the point located at the distance of 75% of the core radius from the center of the spherical core is −1 or more and 3.5 or less in Shore C hardness, and a hardness difference D3 ((H0+H75)/2−H37.5) between a hardness of (the center hardness H0 of the spherical core+the hardness H75 at the point located at the distance of 75% of the core radius from the center of the spherical core)/2 and a hardness H37.5 at a point located at a distance of 37.5% of the core radius from the center of the spherical core is 0.5 or more and 6.5 or less in Shore C hardness.
-
公开(公告)号：US09873023B2
公开(公告)日：2018-01-23
申请号：US15223591
申请日：2016-07-29
CPC分类号： A63B37/0061 , A63B37/0051 , A63B37/006 , A63B37/0062 , A63B37/0063 , A63B37/0065 , A63B37/0074 , A63B37/02 , A63B37/04 , A63B37/06
摘要： An object of the present invention is to provide a golf ball having an excellent initial velocity when being hit at a head speed of 50 m/sec and an improved initial velocity when being hit at a head speed of 40 m/sec. The present invention provides a golf ball comprising a spherical core and at least one cover covering the spherical core, wherein the spherical core is formed from a core rubber composition containing (a) a base rubber, (b) a co-crosslinking agent, (c) a crosslinking initiator and (x) a crosslinked rubber powder, and (x) the crosslinked rubber powder is formed from a rubber composition containing (a1) a base rubber, (b1) a co-crosslinking agent, (c1) a crosslinking initiator and (r) a resin component.
-
公开(公告)号：US09573021B2
公开(公告)日：2017-02-21
申请号：US14672648
申请日：2015-03-30
发明人： Ryota Sakamine , Katsumi Terakawa
CPC分类号： A63B37/0051 , A63B37/0062 , A63B37/0063 , A63B37/0074 , A63B37/0076 , C08L9/00 , C08L2205/22
摘要： An object of the present invention is to provide a golf ball excellent in shot feeling, flight distance and durability. The present invention provides a golf ball comprising a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a core rubber composition containing (a) a base rubber, (b) a co-crosslinking agent, (c) a crosslinking initiator, and (x) a crosslinked rubber powder; (x) the crosslinked rubber powder contains (x1) soft particles with a hardness difference (Hs−Hp)between a particle hardness (Hp) of the soft particles and a surface hardness (Hs) of the spherical core being 20 or more in JIS-C hardness, and a hardness difference (Hs5−Hp) between the particle hardness (Hp) of the soft particles and a hardness (Hs5) at 5 mm point inside the surface of the spherical core being 15 or more in JIS-C hardness; and the core rubber composition contains (x1) the soft particles in an amount of 1.0 mass % or more.
摘要翻译： 本发明的目的是提供一种射击感，飞行距离和耐久性优异的高尔夫球。 本发明提供一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由芯橡胶组合物形成，所述芯橡胶组合物包含（a）基础橡胶，（b）共交联剂， （c）交联引发剂，和（x）交联橡胶粉末; （x）交联橡胶粉末含有软质颗粒的颗粒硬度（Hp）与球形芯的表面硬度（Hs）之间的硬度差（Hs-Hp）在JIS中为20以上的（x1）软质颗粒 -C硬度和软质粒子的粒子硬度（Hp）与球状核心表面的5mm点处的硬度（Hs5）之间的硬度差（Hs5-Hp）在JIS-C硬度中为15以上 ; 核心橡胶组合物含有（x1）1.0质量％以上的软质粒子。
-
公开(公告)号：US09162112B2
公开(公告)日：2015-10-20
申请号：US13676763
申请日：2012-11-14
发明人： Chiemi Mikura , Shun Kurihara , Ayaka Shindo , Ryota Sakamine
CPC分类号： A63B37/0039 , A63B37/0051 , A63B37/0062 , A63B37/0063 , A63B37/0074 , C08K3/22 , C08L21/00 , C08L33/08
摘要： An object of the present invention is to provide a golf ball traveling a great flight distance on driver shots. The present invention provides a golf ball comprising a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, (d) a carboxylic acid having 1 to 14 carbon atoms and/or a salt thereof, and (e) a halogen-substituted thiophenol and/or a metal salt thereof as an organic sulfur compound, provided that the rubber composition further contains (f) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.
摘要翻译： 本发明的目的是提供一种在驾驶员镜头上行驶飞行距离很远的高尔夫球。 本发明提供一种高尔夫球，其包括球形芯和覆盖球形芯的至少一个覆盖层，其中球形芯由橡胶组合物形成，所述橡胶组合物含有（a）基础橡胶，（b）α，β-不饱和羧酸 具有3至8个碳原子的酸和/或其金属盐作为共交联剂，（c）交联引发剂，（d）具有1至14个碳原子的羧酸和/或其盐，和 ）卤素取代的苯硫酚和/或其金属盐作为有机硫化合物，条件是橡胶组合物在仅含有（b）α，β-不饱和羧酸的情况下还含有（f）金属化合物 具有3至8个碳原子作为共交联剂。
-
-
-
-
-
-
-
-
-
搜索结果
18 条记录 (耗时 0.027 秒)
