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公开(公告)号：US20060264270A1
公开(公告)日：2006-11-23
申请号：US11401899
申请日：2006-04-12
CPC分类号： A63B37/0045 , A63B37/0003 , A63B37/0033 , A63B37/0075
摘要： Golf ball 2 has a center 4, a mid layer 6, a reinforcing layer 8 and a cover 10. Base polymer of the mid layer 6 includes an ionomer resin as a principal component. A melting point of the resin composition is equal to or greater than 95° C. The mid layer 6 has a thickness of 0.5 mm or greater and 2.5 mm or less. The cover 10 includes a thermoplastic resin. The cover 10 has a nominal thickness Tc of 0.1 mm or greater and 0.9 mm or less. The mid layer 6 has recessed parts which correspond to dimples 12. In the golf ball 2, the resin composition of the mid layer 6 does not flow out from a seam when forming the cover 10.
摘要翻译： 高尔夫球2具有中心4，中间层6，加强层8和盖10.中间层6的基础聚合物包括离聚物树脂作为主要成分。 树脂组合物的熔点等于或大于95℃。中间层6的厚度为0.5mm以上且2.5mm以下。 盖10包括热塑性树脂。 盖10的标称厚度Tc为0.1mm以上且0.9mm以下。 中间层6具有对应于凹坑12的凹部。在高尔夫球2中，当形成盖10时，中间层6的树脂组合物不会从接缝流出。
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公开(公告)号：US20060025242A1
公开(公告)日：2006-02-02
申请号：US11178379
申请日：2005-07-12
CPC分类号： A63B37/12 , A63B37/0004 , A63B37/0013 , A63B37/0019 , A63B37/0033 , A63B37/0045 , A63B37/0076 , A63B45/00
摘要： The present invention provides a golf ball having excellent rebound characteristics and flight performance, while maintaining good durability and appearance. The present invention relates to a golf ball comprising a center, an intermediate layer and a cover, the intermediate layer comprises an outermost layer and a second layer adjacent to the underside of the outermost layer, and the cover has many dimples on the surface thereof, wherein the second layer is formed from thermoplastic resin and has a thickness of 0.5 to 2.0 mm, the outermost layer is formed from thermosetting or thermoplastic resin and has a thickness of 1 to 100 μm, the intermediate layer has depressions on the surface thereof at the position and shape corresponding to the dimples through the cover, and the cover is formed from thermoplastic resin and has a thickness of 0.1 to 0.8 mm in land portion having no dimple.
摘要翻译： 本发明提供一种具有优异的回弹特性和飞行性能的高尔夫球，同时保持良好的耐久性和外观。 本发明涉及包括中心，中间层和盖的高尔夫球，中间层包括最外层和与最外层的下侧相邻的第二层，并且该盖在其表面上具有许多凹坑， 其特征在于，所述第二层由热塑性树脂形成，厚度为0.5〜2.0mm，最外层由热固性或热塑性树脂形成，厚度为1〜100μm，中间层在其表面具有凹部 通过盖对应于凹坑的位置和形状，并且盖由热塑性树脂形成，并且在没有凹坑的陆部中具有0.1至0.8mm的厚度。
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公开(公告)号：US06660824B2
公开(公告)日：2003-12-09
申请号：US10090644
申请日：2002-03-06
申请人： Masatoshi Yokota
发明人： Masatoshi Yokota
IPC分类号： C08G1810
CPC分类号： C08G18/10 , A63B37/0003 , A63B37/0024 , A63B37/12 , C08G18/50 , C08G18/3876 , C08G18/3228
摘要： The invention provides an improved golf ball which exhibits satisfactory ball characteristics, particularly, repulsion property and scuff resistance. The golf ball has a cover made of the polyurethane prepared by curing a urethane prepolymer having an isocyanate group at a terminal thereof with an amine-type curing agent represented by the following general formula: H2N—R1-polyether moiety-R2—NH2 where R1 and R2 are independently hydrocarbon groups each having 1 to 6 carbon atoms. The amine-type curing agent causes curing at such a speed as to ensure a pot life allowing necessary operations to be performed.
摘要翻译： 本发明提供了一种改进的高尔夫球，其显示出令人满意的球特性，特别是排斥性和抗磨损性。 高尔夫球具有由聚氨酯制成的覆盖物，其通过将末端具有异氰酸酯基的氨基甲酸酯预聚物与由下列通式表示的胺型固化剂固化而制备：其中R 1和R 2独立地为 各自具有1至6个碳原子的烃基。 胺型固化剂以这样的速度进行固化，以确保允许进行必要操作的适用期。
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公开(公告)号：US06583229B2
公开(公告)日：2003-06-24
申请号：US09863366
申请日：2001-05-24
IPC分类号： A63B3706
CPC分类号： A63B37/0003 , A63B37/0033 , A63B37/0064 , A63B37/0065 , A63B37/0074 , A63B37/0075 , A63B37/0076 , A63B37/0078 , A63B37/0087 , A63B37/06
摘要： The present invention provides a solid golf ball having exceptional rebound characteristics and flight performance, as well as good shot feel. The present invention relates to a solid golf ball comprising at least one layer of a core, and at least one layer of a cover formed on the core, wherein at least one of the layers of the core is formed by vulcanizing and press-molding a rubber composition comprising a base rubber, co-crosslinking agent, organic peroxide, filler and specific organic sulfur compound which contains substituent groups having a substituent constant of not less than 1.42.
摘要翻译： 本发明提供了具有优异的反弹特性和飞行性能以及良好的射击感的固体高尔夫球。 本发明涉及一种固体高尔夫球，其包括至少一层芯和至少一层形成在芯上的盖，其中芯的至少一层通过硫化和压制成型形成 包含基础橡胶，共交联剂，有机过氧化物，填料和含有取代基常数不小于1.42的取代基的特定有机硫化合物的橡胶组合物。
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公开(公告)号：US06575850B1
公开(公告)日：2003-06-10
申请号：US09652043
申请日：2000-08-31
申请人： Satoshi Iwami , Hidenori Hiraoka , Akira Kato , Masatoshi Yokota
发明人： Satoshi Iwami , Hidenori Hiraoka , Akira Kato , Masatoshi Yokota
IPC分类号： A63B3712
CPC分类号： A63B37/12 , A63B37/0003 , A63B37/0088
摘要： A golf ball which produces high spin rate and accordingly readily stops even when being shot from a rough or in the rain is provided. Such a golf ball is constituted of a core and a cover and the cover has a loss tangent of 0.15 to 0.70 at −10° C. in a temperature distribution curve for dynamic viscoelasticity measured in a tensile mode under conditions of temperature increasing rate of 4° C./min, frequency of 10 Hz and initial strain of 1.0 mm.
摘要翻译： 提供产生高旋转速率的高尔夫球，并且因此即使在从粗糙或雨中射击时也容易停止。 这样的高尔夫球由芯和盖构成，并且在温度增加率为4的条件下，在拉伸模式下在拉伸模式的动态粘弹性的温度分布曲线中，盖在-10℃下的损耗角正切为0.15〜0.70 °C / min，频率10 Hz，初始应变1.0 mm。
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公开(公告)号：US06302810B2
公开(公告)日：2001-10-16
申请号：US08925677
申请日：1997-09-09
申请人： Masatoshi Yokota
发明人： Masatoshi Yokota
IPC分类号： A63B3706
CPC分类号： A63B37/0003 , A63B37/0031 , A63B37/0033 , A63B37/0037 , A63B37/0051 , A63B37/0062 , C08K5/098 , C08L9/00
摘要： The present invention provides a solid golf ball having good controllability on approach shots and good shot feel and excellent flight performance which comprises a core and a cover formed on the core, wherein the cover has a thickness of 1.0 to 2.1 mm and a JIS-C hardness of 75 to 95, the core is formed from a rubber composition comprising 100 parts by weight of cis-1,4-polybutadiene rubber and 30 to 40 parts by weight of metal salt of an unsaturated carboxylic acid, and the JIS-C hardness difference between the surface of the core and the cover is not more than 10.
摘要翻译： 本发明提供了一种在接近射击时具有良好可控性的实心高尔夫球，具有良好的射击感和优异的飞行性能，其包括芯和形成在芯上的盖，其中盖具有1.0至2.1mm的厚度和JIS-C 硬度为75〜95，芯部由含有100重量份顺式1,4-聚丁二烯橡胶和30〜40重量份不饱和羧酸金属盐的橡胶组合物形成，JIS-C硬度 芯和表面之间的差异不大于10。
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公开(公告)号：US6156843A
公开(公告)日：2000-12-05
申请号：US150744
申请日：1998-09-10
申请人： Masatoshi Yokota
发明人： Masatoshi Yokota
CPC分类号： A63B37/0003 , A63B37/0033 , A63B37/0035 , A63B37/0064 , A63B37/0075
摘要： The present invention provides a three piece solid golf ball exhibiting excellent flight performance and goof shot feel when hitting. The three piece solid golf ball comprises a solid core, an inner cover covering the solid core and an outer cover covering the inner cover, wherein the inner cover comprises a base resin and an additive and the base resin comprises at least 10% by weight of an ionomer resin having carboxylic groups of which 10 to 60 mol % is neutralized with alkali metal ion and of which 5 to 30 mol % is neutralized with copper ion, a total mol % of the neutralized carboxylic group being 30 to 70 mol %.
摘要翻译： 本发明提供一种三片实心高尔夫球，当击球时表现出优异的飞行性能和眩光感。 三片实心高尔夫球包括实心芯，覆盖实芯的内盖和覆盖内盖的外盖，其中内盖包括基础树脂和添加剂，并且基础树脂包含至少10重量％ 具有10〜60摩尔％的羧基的离聚物树脂用碱金属离子中和，5〜30摩尔％用铜离子中和，中和的羧基的总摩尔％为30〜70摩尔％。
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公开(公告)号：US6126522A
公开(公告)日：2000-10-03
申请号：US794738
申请日：1997-02-03
摘要： A method for manufacturing a golf ball, wherein a grinding tool and a ball to be ground are rotated so that their adjacent points move toward opposite directions. A grinding face of the grinding tool is arranged to be Japanese Industrial Standard grain size #80 to 300. The ball is rotated at 100 to 600 mm/s and the grinding tool is rotated at 2400 to 6900 mm/s, and relative velocity of the grinding tool and the ball is 2500 to 7500 mm/s. Flash formed on a parting line of the ball is thereby removed by the grinding face of the rotating grinding tool.
摘要翻译： 一种用于制造高尔夫球的方法，其中研磨工具和要被研磨的球旋转，使得其相邻点朝向相反方向移动。 研磨工具的研磨面配置为日本工业标准晶粒尺寸＃80〜300。球以100〜600mm / s的速度旋转，研磨工具以2400〜6900mm / s的速度旋转，相对速度 研磨工具和球体为2500至7500 mm / s。 因此，通过旋转的研磨工具的磨削面去除在球的分型线上形成的闪光。
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公开(公告)号：US6121357A
公开(公告)日：2000-09-19
申请号：US80299
申请日：1998-05-18
申请人： Masatoshi Yokota
发明人： Masatoshi Yokota
CPC分类号： A63B37/0003 , C08K5/098 , A63B37/0017 , A63B37/0031 , A63B37/0033 , A63B37/0064
摘要： The present invention provides a solid golf ball having excellent shot feel at the time of hitting and excellent controllability at approach shot, while keeping the characteristics inherent to the solid golf ball, i.e. excellent flight performance. The present invention related to a solid golf ball comprising a core and a cover formed on the core, wherein the core is obtained by vulcanizing a rubber composition comprising a base rubber, a co-crosslinking agent, a vulcanization initiator and a filler, a calculated volume content of the co-crosslinking agent is 10.0 to 16.0% by volume, a total calculated volume content of the base rubber and the co-crosslinking agent is 96.2 to 98.0% by volume, based on the total rubber composition for the core, and the cover has a Shore D hardness of 50 to 67.
摘要翻译： 本发明提供了一种固体高尔夫球，其在击球时具有优异的射击感和在接近射击时具有优异的可控制性，同时保持固体高尔夫球固有的特性，即优异的飞行性能。 本发明涉及一种固体高尔夫球，其包括芯和形成在芯上的盖，其中芯通过硫化包含基础橡胶，共交联剂，硫化引发剂和填料的橡胶组合物获得，计算 共交联剂的体积含量为10.0〜16.0体积％，基于橡胶组合物的总计，基础橡胶和共交联剂的总体积含量为96.2〜98.0体积％，以及 该盖的肖氏D硬度为50至67。
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公开(公告)号：US5952428A
公开(公告)日：1999-09-14
申请号：US944293
申请日：1997-10-06
申请人： Masatoshi Yokota , Seiichiro Endo
发明人： Masatoshi Yokota , Seiichiro Endo
CPC分类号： C08L23/08 , A63B37/0003 , A63B37/0031 , A63B37/0043 , A63B37/0074 , C08L2205/02 , C08L23/0876
摘要： The present invention provides a golf ball having excellent shot feel, controllability and durability as well as satisfactory flight performance. A cover of the golf ball is composed of a mixture of specific three resins (1), (2) and (3), wherein the total amount of the resin (1) and resin (2) is 60 to 83% by weight and the amount of the resin (3) is 17 to 40% by weight in the mixture as a main component, and wherein the amount of the resin (1) is 33 to 80% by weight and the amount of the resin (2) is 3 to 50% by weight in the total of the resin (1) and resin (2) and a stiffness of the cover composition is 1000 to 2000 kg/cm.sup.2.
摘要翻译： 本发明提供一种具有优异的拍摄感觉，可控性和耐久性以及令人满意的飞行性能的高尔夫球。 高尔夫球的盖由特定三种树脂（1），（2）和（3）的混合物组成，其中树脂（1）和树脂（2）的总量为60-83重量％，和 在作为主要成分的混合物中，树脂（3）的含量为17〜40重量％，树脂（1）的含量为33〜80重量％，树脂（2）的量为 在树脂（1）和树脂（2）的总量中为3〜50重量％，覆盖组合物的刚度为1000〜2000kg / cm 2。
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