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公开(公告)号：US20100167840A1
公开(公告)日：2010-07-01
申请号：US12647115
申请日：2009-12-24
申请人： Tsutomu HIRAU , Kazuhiko Isogawa , Satoko Okabe
发明人： Tsutomu HIRAU , Kazuhiko Isogawa , Satoko Okabe
CPC分类号： A63B37/0003 , A63B37/0029 , A63B37/0045 , A63B37/0047 , A63B37/0062 , A63B37/0064 , A63B37/0087 , A63B37/12
摘要： An object of the invention is to provide a golf ball excellent in the durability at the normal and low temperatures, flight distance, direction stability and shot feeling on the shots. The present invention provides a golf ball comprising: a core consisting of a center having a diameter of 35 mm or less and a surrounding layer covering the center; at least one intermediate layer covering the core, said intermediate layer having a thickness ranging from 0.5 mm to 1.2 mm and a density of 1.10 g/cm3 or more; and a cover covering the intermediate layer and having a thickness ranging from 0.3 mm to 1.0 mm, wherein the cover is formed of a cover composition that has a slab hardness ranging from 65 to 75 in Shore D hardness and contains as a resin component; (A) a polyamide resin composition having a flexural modulus in a range from 700 MPa to 4,000 MPa and a melt flow rate (240° C., 2.16 kg) of 5.0 g/10 min or more; (B) at least one member selected from the group consisting of an ethylene-(meth)acrylic acid binary copolymer, a metal-neutralized product of the binary copolymer, an ethylene-(meth)acrylic acid-(meth)acrylic acid ester ternary copolymer, and a metal-neutralized product of the ternary copolymer; and (C) a fluidity improving agent.
摘要翻译： 本发明的目的是提供一种在正常和低温下的耐久性，飞行距离，方向稳定性和射击感上都具有优异性能的高尔夫球。 本发明提供一种高尔夫球，包括：由直径为35mm以下的中心和覆盖中心的周围层构成的芯; 至少一个覆盖所述芯的中间层，所述中间层的厚度范围为0.5mm至1.2mm，密度为1.10g / cm 3以上; 以及覆盖所述中间层并且具有0.3mm至1.0mm的厚度的覆盖物，其中所述盖由覆盖组合物形成，所述覆盖组合物具有肖氏D硬度为65至75的板坯硬度并且包含树脂成分; （A）挠曲模量为700MPa〜4000MPa，熔体流动速率（240℃，2.16kg）为5.0g / 10分钟以上的聚酰胺树脂组合物， （B）选自乙烯 - （甲基）丙烯酸二元共聚物，二元共聚物的金属中和产物，乙烯 - （甲基）丙烯酸 - （甲基）丙烯酸酯三元醇中的至少一种 共聚物和三元共聚物的金属中和产物; 和（C）流动性改进剂。
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公开(公告)号：US20100069173A1
公开(公告)日：2010-03-18
申请号：US12560190
申请日：2009-09-15
IPC分类号： A63B37/12
CPC分类号： A63B37/0045 , A63B37/0003 , A63B37/0024 , A63B37/0029 , A63B37/0031 , A63B37/0064 , A63B37/12
摘要： An object of the present invention is to provide a golf ball excellent in fluidity, adhesion of the paint film, and repulsion. Another object of the present invention is to provide a golf ball which is excellent in durability and low-temperature durability. The present invention provides a golf ball comprising: a core and a cover covering the core, wherein the cover is formed from a cover composition that contains as a resin component, (a) a specific high melt viscosity ionomer resin being neutralized with at least two metal ions, and (b) a low melt viscosity ionomer resin being neutralized with at least two metal ions, in a ratio of (a) the high melt viscosity ionomer resin/(b) the low melt viscosity ionomer resin being 55 mass % to 99 mass %/45 mass % to 1 mass %, wherein at least one of metal ions neutralizing carboxyl groups of (a) the high melt viscosity ionomer resin and/or (b) the low melt viscosity ionomer resin is a divalent metal ion and a content of the divalent metal ion per 100 g of the resin component is at least 0.020 mole.
摘要翻译： 本发明的目的是提供一种流动性优异，漆膜粘附性和排斥性的高尔夫球。 本发明的另一个目的是提供一种耐久性和低温耐久性优异的高尔夫球。 本发明提供了一种高尔夫球，包括：芯和覆盖芯的盖，其中所述盖由包含树脂组分的覆盖组合物形成，（a）特定的高熔体粘度离聚物树脂被至少两个中和 金属离子和（b）低熔点粘度离聚物树脂用至少两种金属离子中和的比例为：（a）高熔体粘度离聚物树脂/（b）低熔点粘度离聚物树脂为55质量％至 99质量％〜45质量％〜1质量％，其中中和上述（a）高熔点粘度离聚物树脂和/或（b）低熔点粘度离聚物树脂的羧基的金属离子中的至少一种为二价金属离子， 每100g树脂成分的二价金属离子的含量为0.020摩尔以上。
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公开(公告)号：US20090312121A1
公开(公告)日：2009-12-17
申请号：US12466123
申请日：2009-05-14
申请人： Kazuhiko ISOGAWA , Tsutomu HIRAU
发明人： Kazuhiko ISOGAWA , Tsutomu HIRAU
IPC分类号： A63B37/00
CPC分类号： A63B37/0062 , A63B37/0003 , A63B37/0029 , A63B37/0031 , A63B37/0033 , A63B37/004 , A63B37/0043 , A63B37/0045 , A63B37/0047 , A63B37/0075
摘要： Golf ball 2 has a center 8, a mid layer 10 and a cover 6. The base polymer of the mid layer 10 includes an ionomer resin as a principal component. The surface hardness H1s of the center 8 is greater than the hardness H2 of the mid layer 10. The Shore D hardness H3 of the cover 6 is equal to or greater than 57. The weight W2 of the mid layer 10 is greater than the weight W3 of the cover 6. The total weight (W2+W3) of the weight W2 of the mid layer 10 and the weight W3 of the cover 6 is 8.4 g or greater and less than 12.0 g. The total volume (V2+V3) of the volume V2 of the mid layer 10 and the volume of the cover 6 is equal to or less than 10.0 cm3.
摘要翻译： 高尔夫球2具有中心8，中间层10和盖6.中间层10的基础聚合物包括离聚物树脂作为主要成分。 中心8的表面硬度H1s大于中间层10的硬度H2。盖6的肖氏D硬度H3等于或大于57.中间层10的重量W2大于重量 W3的中间层10的重量W2和盖6的重量W3的总重量（W2 + W3）为8.4g以上且小于12.0g。 中间层10的体积V2和盖6的体积的总体积（V2 + V3）等于或小于10.0cm 3。
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公开(公告)号：US20100167846A1
公开(公告)日：2010-07-01
申请号：US12627460
申请日：2009-11-30
申请人： Tsutomu HIRAU , Kazuhiko ISOGAWA
发明人： Tsutomu HIRAU , Kazuhiko ISOGAWA
CPC分类号： B29C45/14819 , A63B37/0023 , A63B37/003 , A63B37/0033 , A63B37/0036 , A63B37/0037 , A63B45/00 , B29C45/00 , B29C45/0001 , B29L2031/545
摘要： A golf ball 2 includes a core 4 and a cover 6 positioned outside the core 4. The cover 6 has a thickness of 0.2 mm or greater and 1.0 mm or less. The cover 6 is formed by injecting a resin composition from an injection molding machine into a mold. The product (M*V*T) of: a melt fluidity M (g/10 min) of the resin composition, which is measured at 190° C.; an injection rate V (cm3/sec) of the injection molding machine; and an injection time T (sec) of the injection molding machine, is equal to or greater than 500 and equal to or less than 1000. Preferably, in the golf ball 2, the melt fluidity M of the resin composition is equal to or greater than 15 g/10 min and equal to or less than 100 g/10 min.
摘要翻译： 高尔夫球2包括芯部4和位于芯部4外部的盖子6.盖子6的厚度为0.2mm以上且1.0mm以下。 盖6通过将注射成型机中的树脂组合物注入模具中而形成。 产品（M * V * T）：在190℃下测量的树脂组合物的熔体流动性M（g / 10min）; 注塑机的注射速度V（cm3 / sec）; 注射成型机的注射时间T（秒）等于或大于500且等于或小于1000.优选地，在高尔夫球2中，树脂组合物的熔体流动性M等于或大于 超过15g / 10min且等于或小于100g / 10min。
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