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    • 71. 发明申请
    • GOLF BALL AND PROCESS FOR PREPARING THE SAME
    • 高尔夫球及其制备方法
    • US20100167841A1
    • 2010-07-01
    • US12647122
    • 2009-12-24
    • Satoko OKABEKeiji OhamaTakahiro Shigemitsu
    • Satoko OKABEKeiji OhamaTakahiro Shigemitsu
    • A63B37/00B05D1/36
    • A63B37/0003A63B37/0039A63B37/004A63B37/0075A63B45/00
    • An object of the present invention is to provide a golf ball providing a great distance. Another object of the present invention is to provide a golf ball striking a balance between a flight distance on a driver shot and an approach performance on an approach shot while providing an excellent shot feeling. The present invention provides a golf ball comprising: a center, a cover and at least one intermediate layer disposed between the center and the cover, wherein at least one piece or one layer of the intermediate layer is formed from a high fluidity intermediate layer composition that contains (A) a polyamide resin composition having a flexural modulus in a range from 700 MPa to 4,000 MPa; (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.
    • 本发明的目的是提供一种提供很大距离的高尔夫球。 本发明的另一个目的是提供一种高尔夫球,其在提供驾驶员射击的飞行距离和接近射门的接近性能之间达到平衡,同时提供优异的射击感。 本发明提供了一种高尔夫球,包括:中心,盖和设置在中心和盖之间的至少一个中间层,其中中间层的至少一个或多个层由高流动性中间层组合物形成, 含有(A)挠曲模量为700MPa〜4000MPa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。
    • 72. 发明申请
    • GOLF BALL
    • 高尔夫球
    • US20100056301A1
    • 2010-03-04
    • US12508294
    • 2009-07-23
    • Hirotaka NAKAMURAKeiji Ohama
    • Hirotaka NAKAMURAKeiji Ohama
    • A63B37/02
    • A63B37/0092A63B37/0031A63B37/0038A63B37/0043A63B37/0044A63B37/0045A63B37/005A63B37/0056A63B37/0062A63B37/0063A63B37/0064A63B37/0076
    • A golf ball 2 has a hollow center 8, a mid layer 10, an inner cover 12 and an outer cover 14. The center 8 is formed by crosslinking a rubber composition. The rubber composition contains a natural rubber as a base polymer. The rubber composition contains sulfur. The mid layer 10 is formed by crosslinking a rubber composition. This rubber composition includes butadiene as a principal component of the base polymer. The center 8 has an inside diameter of 2 mm or greater and 13 mm or less. The center 8 has an outside diameter of 5 mm or greater and 15 mm or less. The center 8 has a surface JIS-C hardness H2 of 25 or greater and 55 or less. A difference (H4−H3) between a surface JIS-C hardness H4 of the mid layer 10 and a JIS-C hardness H3 of an innermost part of the mid layer is equal to or greater than 10.
    • 高尔夫球2具有中空中心8,中间层10,内盖12和外盖14.中心8通过交联橡胶组合物形成。 橡胶组合物含有作为基础聚合物的天然橡胶。 橡胶组合物含有硫。 中间层10通过使橡胶组合物交联而形成。 该橡胶组合物包括作为基础聚合物的主要成分的丁二烯。 中心8的内径为2mm以上且13mm以下。 中心8的外径为5mm以上且15mm以下。 中心部8的表面JIS-C硬度H 2为25以上且55以下。 中间层10的表面JIS-C硬度H4与中间层的最内部的JIS-C硬度H3之间的差(H4-H3)等于或大于10。
    • 73. 发明申请
    • Golf ball
    • 高尔夫球
    • US20090062037A1
    • 2009-03-05
    • US12222569
    • 2008-08-12
    • Keiji OhamaHirotaka Nakamura
    • Keiji OhamaHirotaka Nakamura
    • A63B37/12
    • A63B37/0024A63B37/0003A63B37/0022A63B37/0074A63B37/12A63B43/008Y10T428/31554
    • Golf ball 2 has core 4, cover 6 and paint layer 12. The base polymer of the cover 6 includes a thermoplastic polyurethane elastomer. The cover 6 includes one or more kinds of ultraviolet ray absorbing agents. The paint layer 12 includes one or more kinds of ultraviolet ray absorbing agents. There are one or more kinds of ultraviolet ray absorbing agents (common ultraviolet ray absorbing agent) included in the cover 6 and the paint layer 12. The cover 6 includes the common ultraviolet ray absorbing agent in an amount of A parts by weight per 100 parts by weight of the base polymer, and the paint layer 12 includes the common ultraviolet ray absorbing agent in an amount of B parts by weight per 100 parts by weight of the resin component, with the ratio (A/B) being preferably 0.1 or greater and 10 or less. Preferably, the thermoplastic polyurethane elastomer is an MDI based polyurethane elastomer. The golf ball of the present invention is less likely to subject to color change, and excellent in the scuff resistance performance.
    • 高尔夫球2具有芯4,盖6和涂料层12.盖6的基础聚合物包括热塑性聚氨酯弹性体。 盖6包括一种或多种紫外线吸收剂。 涂料层12包括一种或多种紫外线吸收剂。 包含在盖6和涂料层12中的一种或多种紫外线吸收剂(普通紫外线吸收剂)。盖6包括共同的紫外线吸收剂,其量为每100份A重量份 ,并且涂料层12包含相对于树脂成分100重量份为B重量份的共用紫外线吸收剂,比例(A / B)优选为0.1以上 和10以下。 优选地,热塑性聚氨酯弹性体是MDI基聚氨酯弹性体。 本发明的高尔夫球不太可能发生颜色变化,耐擦伤性能优异。
    • 74. 发明申请
    • Golf ball
    • 高尔夫球
    • US20090042671A1
    • 2009-02-12
    • US12219482
    • 2008-07-23
    • Keiji Ohama
    • Keiji Ohama
    • A63B37/12
    • A63B37/0031A63B37/0003A63B37/0043A63B37/0064A63B37/007A63B37/0072
    • Golf ball 2 has spherical core 4, and cover 6 provided so as to cover this core 4. The core 4 has spherical center 8, and mid layer 10 provided so as to cover this center 8. The resilience coefficient Ec of the center 8, the resilience coefficient Em of the core 4, and the resilience coefficient Eb of the golf ball 2 satisfy the following formulae (1) and (2): Eb≧Ec≧Em   (1); Eb−Ec≧Ec−Em   (2). The difference (Eb−Ec) between the resilience coefficient Eb and the resilience coefficient Ec is equal to or greater than 0.004. The difference (Ec−Em) between the resilience coefficient Ec and the resilience coefficient Em is equal to or greater than 0.004.
    • 高尔夫球2具有球形芯4和覆盖该芯4的盖6.芯4具有球形中心8,中间层10设置成覆盖该中心8.中心8的弹性系数Ec, 芯4的弹性系数Em和高尔夫球2的弹性系数Eb满足下式(1)和(2):<?in-line-formula description =“In-line formula”end =“lead “?> Eb> = Ec> = Em(1); <?in-line-formula description =”In-line Formulas“end =”tail“?> <?in-line-formula description =” “end =”lead“?> Eb-Ec> = Ec-Em(2)。<?in-line-formula description =”In-line Formulas“end =”tail“?>差异(Eb-Ec) 弹性系数Eb和弹性系数Ec等于或大于0.004。 弹性系数Ec和回弹系数Em之间的差(Ec-Em)等于或大于0.004。
    • 76. 发明授权
    • Golf ball
    • 高尔夫球
    • US07326131B2
    • 2008-02-05
    • US10819304
    • 2004-04-07
    • Takahiro SajimaKeiji Ohama
    • Takahiro SajimaKeiji Ohama
    • A63B37/12
    • A63B37/0004A63B37/0006A63B37/001A63B37/0011A63B37/0015A63B37/0018A63B37/0031A63B37/0033A63B37/0065A63B37/0074
    • A golf ball conforming a core, a cover and numerous dimples formed on the surface of the cover. The thickness of the cover is equal to or less than 1.4 mm. The Shore D hardness of the cover is equal to or less than 53. The dimple 4 has an inclined face, a circular flat face, an annular groove and a round flat face. The surface area s1 is calculated by summing up the surface area of the inclined face, the surface area of the circular flat face, the surface area of the annular groove and the surface area of the round flat face 9. The ratio (S1/S2) between a summation S1 of surface areas s1 of all the dimples, and a summation S2 of the areas s2 of the regions cut away by the dimples on the phantom spherical face, is equal to or greater than 1.03. The difference (Cc−Cb) between the amount of compressive deformation Cb of the golf ball and the amount of compressive deformation Cc of the core is equal to or less than 0.20 mm. The amount of compressive deformation Cc of the core is equal to or less than 3.00 mm.
    • 高尔夫球符合核心,盖子和形成在盖子表面上的多个凹坑。 盖的厚度等于或小于1.4mm。 盖的肖氏D硬度等于或小于53.凹坑4具有倾斜面,圆形平面,环形凹槽和圆形平面。 通过将倾斜面的表面积,圆形平面的表面积,环形槽的表面积和圆形平面9的表面积相加来计算表面积s 1。 所有凹坑的表面积s 1的总和S 1与由幻影球面上的凹坑切除的区域的面积s 2的总和S 2之比(S 1 / S 2)相等 至1.03以上。 高尔夫球的压缩变形量Cb与芯的压缩变形量Cc之间的差(Cc-Cb)等于或小于0.20mm。 芯部的压缩变形量Cc等于或小于3.00mm。
    • 78. 发明授权
    • Golf ball
    • 高尔夫球
    • US07163473B2
    • 2007-01-16
    • US11282641
    • 2005-11-21
    • Keiji OhamaTakahiro Sajima
    • Keiji OhamaTakahiro Sajima
    • A63B37/12
    • A63B37/0004A63B37/0006A63B37/001A63B37/0015A63B37/0017A63B37/0074
    • Golf ball 1 has numerous dimples 4 on its surface. The dimple 4 comprises an inclined face 6, a circular flat face 7, an annular groove 8 and a round flat face 9. Surface area s1 is calculated by summing up the surface area of the inclined face 6, the surface area of the circular flat face 7, the surface area of the annular groove 8 and the surface area of the round flat face 9. The ratio (S1/S2) between a summation S1 of surface areas s1 of all the dimples, and a summation S2 of the areas s2 of the regions cut away by the dimples on the phantom spherical face is equal to or greater than 1.02. Total value (Cb+Cc) of the amount of compressive deformation Cb of the golf ball 1 and the amount of compressive deformation Cc of the core is equal to or greater than 7.0 mm.
    • 高尔夫球1在其表面上有许多凹坑4。 凹坑4包括倾斜面6,圆形平面7,环形凹槽8和圆形平面9。 通过将倾斜面6的表面积,圆形平面7的表面积,环形槽8的表面积和圆形平面9的表面积相加来计算表面积s 1。 所有凹坑的表面积s 1的总和S 1与由幻影球面上的凹坑切除的区域的面积s 2的总和S 2之比(S 1 / S 2)等于 或大于1.02。 高尔夫球1的压缩变形量Cb和芯的压缩变形量Cc的总值(Cb + Cc)等于或大于7.0mm。
    • 79. 发明申请
    • Golf ball
    • 高尔夫球
    • US20060211517A1
    • 2006-09-21
    • US11362127
    • 2006-02-27
    • Kazuhiko IsogawaKeiji Ohama
    • Kazuhiko IsogawaKeiji Ohama
    • A63B37/04A63B37/14
    • A63B37/0045A63B37/0031A63B37/0033A63B37/0043A63B37/0076
    • Golf ball 2 has a spherical core 4, a mid layer 6 covering this core 4, a reinforcing layer 8 covering this mid layer 6, and a cover 10 covering this reinforcing layer 8. Base polymer of the mid layer 6 includes a styrene block-containing thermoplastic elastomer and an ionomer resin. The mid layer 6 has a hardness as measured with a Shore D type hardness scale of equal to or less than 54. The mid layer 6 has a thickness of 0.5 mm or greater and 1.6 mm or less. Base polymer of the reinforcing layer 8 is a reaction product between carboxyl group-containing polyurethane and polycarbodiimide. Principal component of the base polymer of the cover 10 is an ionomer resin. The cover 10 has a hardness as measured with a Shore D type hardness scale hardness of equal to or greater than 55. The cover 10 has a thickness of equal to or less than 1.2 mm.
    • 高尔夫球2具有球形芯4,覆盖该芯4的中间层6,覆盖该中间层6的加强层8和覆盖该加强层8的盖10。 中间层6的基础聚合物包括含苯乙烯嵌段的热塑性弹性体和离聚物树脂。 中间层6具有以肖氏D型硬度等级等于或小于54测量的硬度。中间层6的厚度为0.5mm以上且1.6mm以下。 增强层8的基础聚合物是含羧基的聚氨酯和聚碳化二亚胺之间的反应产物。 盖10的基础聚合物的主要成分是离聚物树脂。 盖10具有以肖氏D型硬度标度硬度等于或大于55测量的硬度。盖10的厚度等于或小于1.2mm。