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    Gas flow simulation method
    1.
    发明授权
    Gas flow simulation method 有权
    气流模拟方法

    公开(公告)号：US07130782B2

    公开(公告)日：2006-10-31

    申请号：US10122327

    申请日：2002-04-16

    申请人： Akio Miyori ,  Masaki Shiraishi ,  Kazuhiro Fujisawa ,  Takahiro Sajima

    发明人： Akio Miyori ,  Masaki Shiraishi ,  Kazuhiro Fujisawa ,  Takahiro Sajima

    IPC分类号： G06G7/48 ,  A63B57/00 ,  A63B39/00 ,  A63B37/12 ,  A63B37/14

    CPC分类号： G06F17/5018 ,  G06F2217/16

    摘要： A gas flow simulation method includes setting an imaginary object model such as a sphere model having at least one concavity, convexity, groove or projection formed thereon by means of a computer. A spatial part on a periphery of the imaginary object model is set. A surface of the imaginary object model and the spatial part is divided into a large number of blocks to form a large number of latticed divisions by lattice points. A gas flows to the imaginary object model from one direction of the spatial part. A motion element of a flow of the gas in the spatial part for each latticed division or for each latticed point is computed, with the gas flowing in the spatial part and passing along the surface of the imaginary object model. The flow of the gas on the periphery of the imaginary object model is simulated.

    摘要翻译： 气流模拟方法包括通过计算机设置诸如具有至少一个凹凸，凹槽或凸起的球体模型的假想物体模型。 设置虚拟对象模型的周边上的空间部分。 虚拟对象模型的表面和空间部分被划分成大量的块，以通过格点形成大量网格划分。 气体从空间部分的一个方向流到虚拟物体模型。 计算用于每个网格化分区或每个网格点的空间部分中的气体流动的运动元素，其中气体在空间部分中流动并沿着假想对象模型的表面传播。 模拟假想对象模型周边气体的流动。

    Golf ball
    2.
    发明授权
    Golf ball 有权
    高尔夫球

    公开(公告)号：US09144713B2

    公开(公告)日：2015-09-29

    申请号：US13271461

    申请日：2011-10-12

    申请人： Takahiro Sajima ,  Yoshiko Matsuyama

    发明人： Takahiro Sajima ,  Yoshiko Matsuyama

    IPC分类号： A63B37/06 ,  A63B37/00 ,  A63B37/12 ,  A63B37/02

    CPC分类号： A63B37/0024 ,  A63B37/0003 ,  A63B37/0031 ,  A63B37/0043 ,  A63B37/0044 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0076 ,  A63B37/0087 ,  A63B37/02 ,  A63B37/06 ,  A63B37/12

    摘要： A golf ball 2 includes a core 4, a mid layer 6, and a cover 8. The core 4 includes a center 10 and an envelope layer 12. The ratio of the volume Ve of the core 4 to the volume of a phantom sphere of the golf ball 2 is equal to greater than 76%. The ratio (Co/Ce) of an amount of compressive deformation Co of the center 10 to an amount of compressive deformation Ce of the core 4 is greater than 2.0 but less than 3.0. The ratio (Vo/Ve) of the volume Vo of the center 10 to the volume Ve of the core 4 is equal to or greater than 0.01 but equal to or less than 0.13.

    摘要翻译： 高尔夫球2包括芯4，中间层6和盖8.芯4包括中心10和包络层12.芯4的体积Ve与体模的体积的比率 高尔夫球2等于大于76％。 中心部10的压缩变形量Co与芯部4的压缩变形量Ce的比率（Co / Ce）大于2.0但小于3.0。 中心部10的体积Vo与芯部4的体积Ve的比（Vo / Ve）为0.01以上且0.13以下。

    GOLF BALL
    3.
    发明申请
    GOLF BALL 有权
    高尔夫球

    公开(公告)号：US20130005505A1

    公开(公告)日：2013-01-03

    申请号：US13456412

    申请日：2012-04-26

    申请人： Takahiro Sajima ,  Hirotaka Nakamura

    发明人： Takahiro Sajima ,  Hirotaka Nakamura

    IPC分类号： A63B37/06

    CPC分类号： A63B37/0092 ,  A63B37/0003 ,  A63B37/0022 ,  A63B37/0024 ,  A63B37/0032 ,  A63B37/0033 ,  A63B37/0044 ,  A63B37/0045 ,  A63B37/0051 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0075 ,  A63B37/0076 ,  A63B37/008 ,  A63B37/0083 ,  A63B37/06 ,  C08K5/09 ,  C08K5/098 ,  C08K5/14 ,  C08L21/00

    摘要： A golf ball 2 includes a spherical core 4 and a cover 6 covering the core 4 and including an inner cover 8 and an outer cover 10 positioned outside the inner cover 8. The core 4 is obtained by crosslinking a rubber composition. The rubber composition includes a base rubber (a), a co-crosslinking agent (b), a crosslinking initiator (c), and a carboxylate (d). The co-crosslinking agent (b) is: (b1) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms; or (b2) a metal salt of an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms. The amount of the carboxylate (d) is equal to or greater than 1 parts by weight but less than 40 parts by weight per 100 parts by weight of the base rubber (a). A hardness of an innermost layer of the cover is equal to or less than a surface hardness of the core.

    摘要翻译： 高尔夫球2包括球形芯4和覆盖芯4的盖6，包括内盖8和位于内盖8外部的外盖10.芯4通过交联橡胶组合物获得。 橡胶组合物包括基础橡胶（a），共交联剂（b），交联引发剂（c）和羧酸酯（d）。 共交联剂（b）是：（b1）具有3-8个碳原子的α，β-不饱和羧酸; 或（b2）具有3-8个碳原子的α，β-不饱和羧酸的金属盐。 相对于100重量份的基础橡胶（a），羧酸酯（d）的量等于或大于1重量份，但小于40重量份。 盖的最内层的硬度等于或小于芯的表面硬度。

    GOLF BALL
    4.
    发明申请
    GOLF BALL 审中-公开
    高尔夫球

    公开(公告)号：US20110159998A1

    公开(公告)日：2011-06-30

    申请号：US12938501

    申请日：2010-11-03

    申请人： Keiji Ohama ,  Takahiro Sajima ,  Yoshiko Matsuyama ,  Hirotaka Nakamura ,  Toshiyuki Tarao ,  Kazuyoshi Shiga

    发明人： Keiji Ohama ,  Takahiro Sajima ,  Yoshiko Matsuyama ,  Hirotaka Nakamura ,  Toshiyuki Tarao ,  Kazuyoshi Shiga

    IPC分类号： A63B37/02

    CPC分类号： A63B37/0092 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0062 ,  A63B37/0063 ,  A63B37/0064 ,  A63B37/0076

    摘要： A golf ball 2 has a spherical core 4, a mid layer 6 situated on the external side of the core 4, and a cover 8 situated on the external side of the mid layer 6. The core 4 has a spherical center 10 and an envelope layer 12 situated on the external side of the center 10. At all points P included in a zone away from the central point of the core 4 at a distance of 1 mm or greater and 15 mm or less, the following mathematical expression is satisfied. H2−H1≦5 In the above mathematical expression, H1 represents the JIS-C hardness at a point P1 that is located inside the point P along the radial direction and away from the point P at a distance of 1 mm, and H2 represents the JIS-C hardness at a point P2 that is located outside the point P along the radial direction and away from the point P at a distance of 1 mm.

    摘要翻译： 高尔夫球2具有球形芯4，位于铁芯4的外侧的中间层6和位于中间层6的外侧的盖8.芯4具有球形中心10和外壳 层12位于中心10的外侧。在距离芯4的中心点的距离为1mm以上且15mm以下的区域中的所有点P都满足以下数学式。 H2-H1＆nlE; 5在上述数学表达式中，H1表示位于点P的沿着径向方向并远离点P距离1mm的点P1处的JIS-C硬度，H2表示 位于点P外侧的点P2处的距离为1mm的远离点P的JIS-C硬度。

    Golf ball
    5.
    发明授权
    Golf ball 有权
    高尔夫球

    公开(公告)号：US07691010B2

    公开(公告)日：2010-04-06

    申请号：US10937331

    申请日：2004-09-10

    申请人： Keiji Ohama ,  Takahiro Sajima ,  Seiichiro Endo

    发明人： Keiji Ohama ,  Takahiro Sajima ,  Seiichiro Endo

    IPC分类号： A63B37/12

    CPC分类号： C08F265/04 ,  A63B37/0004 ,  A63B37/0006 ,  A63B37/0012 ,  A63B37/0017 ,  A63B37/0018 ,  A63B37/002 ,  A63B37/0021 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0039 ,  A63B37/0043 ,  A63B37/0045 ,  A63B37/0075 ,  A63B37/12 ,  C08F279/02 ,  C08F285/00 ,  C08L23/0876 ,  C08L53/00 ,  C08F236/06 ,  C08F220/14 ,  C08L2666/06

    摘要： A golf ball 2 has a core, a mid layer and a cover. This mid layer comprises 10 parts by weight or greater and 70 parts by weight or less of a thermoplastic elastomer containing a styrene block having a material hardness of less than 10, and 30 parts by weight or greater and 90 parts by weight or less of an ethylene-(meth)acrylic acid copolymer based ionomer resin having a material hardness of 50 or greater and 70 or less. Hardness of this mid layer is less than 40, and the thickness is equal to or less than 1.2 mm. This golf ball 2 has seven kinds of dimples (A to G), each having a different diameter. When all the dimples are arranged in decreasing order of the diameter Di, ratio (Dx/Dn) of the mean diameter Dx of the dimples ranking in the top 10% to the mean diameter Dn of the dimples ranking in the bottom 10% is equal to or greater than 1.30. Standard deviation η of diameters of all the dimples is equal to or less than 0.52.

    摘要翻译： 高尔夫球2具有芯，中间层和盖。 该中间层包含10重量份以上和70重量份以下的含有材料硬度小于10的苯乙烯嵌段的热塑性弹性体和30重量份以上且90重量份以下的 乙烯 - （甲基）丙烯酸共聚物基离聚物树脂，其材料硬度为50以上且70以下。 该中间层的硬度小于40，厚度等于或小于1.2mm。 该高尔夫球2具有七种凹坑（A至G），每种具有不同的直径。 当所有凹坑以直径Di的降序排列时，排列在前10％的凹坑的平均直径Dx与底部10％中的凹坑的平均直径Dn的比（Dx / Dn）相等 至1.30以上。 标准偏差 所有凹坑的直径等于或小于0.52。

    Golf ball
    7.
    发明授权
    Golf ball 有权
    高尔夫球

    公开(公告)号：US07354359B2

    公开(公告)日：2008-04-08

    申请号：US11205167

    申请日：2005-08-17

    申请人： Takahiro Sajima

    发明人： Takahiro Sajima

    IPC分类号： A63B37/12

    CPC分类号： A63B37/0004 ,  A63B37/0005 ,  A63B37/0006 ,  A63B37/0012 ,  A63B37/0017 ,  A63B37/0018 ,  A63B37/0019 ,  A63B37/002

    摘要： Golf ball has dimples 8. The dimple 8 has a first curved face S1, a second curved face S2, a third curved face S3, a first edge E1, a second edge E2 and a third edge E3. The second edge E2 and the third edge E3 are disposed concentrically with the first edge E1. The first curved face S1 is ring-shaped. The first curved face S1 is inclined downward from the first edge E1 toward the center of the dimple 8. The second curved face S2 is ring-shaped. The second curved face S2 is inclined upward from the second edge E2 toward the center of the dimple 8. The third curved face S3 is bowl-shaped. The third curved face S3 is inclined downward from the third edge E3 toward the center of the dimple 8. The air that flows toward the center of the dimple 8 collides with the third edge E3. Due to this collision, the air flow is disrupted.

    摘要翻译： 高尔夫球有凹坑8。 凹坑8具有第一曲面S 1，第二曲面S 2，第三曲面S 3，第一边缘E 1，第二边缘E 2和第三边缘E 3。 第二边缘E 2和第三边缘E 3与第一边缘E 1同心设置。 第一曲面S 1是环形的。 第一曲面S 1从第一边缘E 1朝向凹部8的中心向下倾斜。 第二曲面S 2为环状。 第二曲面S 2从第二边缘E 2朝凹部8的中心向上倾斜。 第三曲面S 3为碗状。 第三曲面S 3从第三边缘E 3朝凹部8的中心向下倾斜。 向凹坑8的中心流动的空气与第三边缘E 3碰撞。 由于这种碰撞，气流中断。

    Golf ball
    8.
    发明申请
    Golf ball 有权
    高尔夫球

    公开(公告)号：US20070173354A1

    公开(公告)日：2007-07-26

    申请号：US11647411

    申请日：2006-12-29

    申请人： Takahiro Sajima

    发明人： Takahiro Sajima

    IPC分类号： A63B37/14

    CPC分类号： A63B37/0004 ,  A63B37/0006 ,  A63B37/0012 ,  A63B37/0018 ,  A63B37/002

    摘要： Golf ball 2 has three or more different kinds of dimples 8. The total number of the dimples 8 is 300 or more. A ratio Pn of the number of the dimples 8 with a diameter of equal to or greater than 3.40 mm to the total number is equal to or greater than 90%. The golf ball 2 meet the following formulae (I) and (II). NL−NH≧0   (I) NL>NHm≧NHp   (II) NL represents the number of kinds of the dimples being located in a low latitude region ZL and having a diameter of equal to or greater than 3.40 mm, NH represents the number of kinds of the dimples being located in a high latitude region ZH and having a diameter of equal to or greater than 3.40 mm, NHm represents the number of kinds of the dimples being located in a middle latitude region ZHm and having a diameter of equal to or greater than 3.40 mm and NHp represents the number of kinds of the dimples being located in a polar region ZHp and having a diameter of equal to or greater than 3.40 mm.

    摘要翻译： 高尔夫球2具有三种以上不同种类的凹坑8。 凹坑8的总数为300以上。 直径等于或大于3.40mm的凹坑8的数量的总数比Pn等于或大于90％。 高尔夫球2符合下列公式（I）和（II）。 <？in-line-formula description =“In-line Formulas”end =“lead”？> NL-NH> = 0（I）<？in-line-formula description =“In-line Formulas”end =“tail “？”<？in-line-formula description =“In-line Formulas”end =“lead”？> NL> NHm> = NHp（II）<？in-line-formula description =“In-line Formulas”end =“tail”？> NL表示位于低纬度区域ZL中并且具有等于或大于3.40mm的直径的凹坑的种类的数量，NH表示位于高处的凹坑的种类数 纬度区域ZH，直径等于或大于3.40mm，NHm表示位于中纬度区域ZHm中并具有等于或大于3.40mm的直径的凹坑的种类数，NHp表示 凹坑的种类位于极性区域ZHp中并具有等于或大于3.40mm的直径。

    Three-piece solid golf ball
    9.
    发明授权
    Three-piece solid golf ball 有权
    三件式固体高尔夫球

    公开(公告)号：US07232383B2

    公开(公告)日：2007-06-19

    申请号：US10419751

    申请日：2003-04-22

    申请人： Akira Kato ,  Takahiro Sajima

    发明人： Akira Kato ,  Takahiro Sajima

    IPC分类号： A63B37/04 ,  A63B37/06 ,  A63B37/12 ,  A63B37/14

    CPC分类号： A63B37/12 ,  A63B37/0003 ,  A63B37/0018 ,  A63B37/0031 ,  A63B37/0033 ,  A63B37/0037 ,  A63B37/0043 ,  A63B37/0062 ,  A63B37/0064 ,  A63B37/0075 ,  A63B37/008 ,  A63B37/04

    摘要： The present invention provides a three-piece solid golf ball having long flight distance by accomplishing low spin amount and high launch angle at the time of hitting, while maintaining good shot feel. The present invention relates to a three-piece solid golf ball comprising a core composed of a center and an intermediate layer formed on the center, and a cover covering the core and having many dimples on the surface thereof, wherein the center has a diameter of 10 to 20 mm and a central point hardness in JIS-A hardness of 20 to 90, the intermediate layer has a surface hardness in Shore D hardness of 50 to 65, and the cover has a Shore D hardness of 55 to 70, a flexural modulus of not less than 280 MPa and a thickness of 0.5 to 2.5 mm.

    摘要翻译： 本发明通过在击球时实现低自旋量和高发射角度，同时保持良好的拍摄感觉，提供了具有长飞行距离的三件式实心高尔夫球。 本发明涉及一种三件式实心高尔夫球，其包括由中心形成的铁芯和形成在中心的中间层，以及覆盖该铁芯并在其表面上具有许多凹坑的盖，其中心具有 10〜20mm，JIS-A硬度的中心点硬度为20〜90，中间层的肖氏D硬度的表面硬度为50〜65，邵氏D硬度为55〜70，弯曲 模量不小于280MPa，厚度为0.5至2.5mm。

    Golf ball
    10.
    发明授权
    Golf ball 失效

    公开(公告)号：US07041013B2

    公开(公告)日：2006-05-09

    申请号：US10817919

    申请日：2004-04-06

    申请人： Keiji Ohama ,  Takahiro Sajima

    发明人： Keiji Ohama ,  Takahiro Sajima

    IPC分类号： A63B37/12

    CPC分类号： A63B37/0004 ,  A63B37/0006 ,  A63B37/001 ,  A63B37/0015 ,  A63B37/0017 ,  A63B37/0074

    摘要： 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.