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    Steel cord for reinforcing rubber article, and pneumatic tire using same
    12.
    发明授权
    Steel cord for reinforcing rubber article, and pneumatic tire using same 有权
    用于加强橡胶制品的钢丝绳，以及使用其的充气轮胎

    公开(公告)号：US09168787B2

    公开(公告)日：2015-10-27

    申请号：US13991201

    申请日：2011-12-14

    Applicant: Yuji Oyama

    Inventor： Yuji Oyama

    IPC: B60C9/18 ,  D07B1/10 ,  B60C9/00 ,  D07B1/06 ,  D07B1/00 ,  B60C9/20

    CPC classification number: B60C9/0007 ,  B60C9/2006 ,  B60C2009/0092 ,  B60C2009/2077 ,  B60C2009/2096 ,  D07B1/005 ,  D07B1/062 ,  D07B2201/2006 ,  D07B2201/2018 ,  D07B2201/2025 ,  D07B2201/2029 ,  D07B2201/2051 ,  D07B2201/206 ,  D07B2401/208 ,  D07B2501/2046 ,  D07B2801/12

    Abstract: Provided is a steel cord for reinforcing rubber articles which has both rubber penetration and productivity and which allows to reduce the weight of a tire without compromising the strength of the tire when applied to a tire, and a pneumatic tire using the same.The steel cord for reinforcing rubber articles of the present invention is a steel cord for reinforcing rubber articles comprising a core formed by arranging two core filaments in parallel without twisting the filaments together, and six sheath filaments twisted around the core. Letting the diameter of the core filament dc (mm), the diameter of the sheath filament ds (mm) and sheath filament twist pitch p (mm), an average sheath filament interval D represented by the following Formula (I): D=[L−6ds{1+(L/p)2}1/2]/6  (I), (where L=(π+2)dc+πds) is from 25 to 80 μm.

    Abstract translation: 本发明提供一种橡胶制品的钢丝帘线，其具有橡胶渗透性和生产率，并且能够在不影响轮胎的强度的情况下减轻轮胎的重量，并且能够使用该帘线。 本发明的增强橡胶制品用钢丝绳是用于加强橡胶制品的钢丝绳，其包括通过平行布置两根芯丝而形成的芯，而不将丝缠绕在一起，以及缠绕在芯上的六根鞘丝。 使芯丝的直径dc（mm），鞘长度ds（mm）的直径和外皮长丝捻距p（mm），由下式（I）表示的平均护套长丝间隔D：D = [ L-6ds {1+（L / p）2} 1/2] / 6（I），（其中L =（＆pgr; +2）dc +＆pgr; ds）为25至80μm。

    Hybrid core rope
    14.
    发明授权
    Hybrid core rope 有权
    混合芯绳

    公开(公告)号：US08943789B2

    公开(公告)日：2015-02-03

    申请号：US13892067

    申请日：2013-05-10

    Applicant: Tokyo Rope Manufacturing Co., Ltd.

    Inventor： Jun Takeuchi ,  Kaori Ichikawa

    IPC: D07B1/06 ,  D07B1/14 ,  D07B5/12 ,  D07B7/02

    CPC classification number: D07B1/0686 ,  D07B1/14 ,  D07B1/144 ,  D07B5/007 ,  D07B5/12 ,  D07B7/025 ,  D07B7/027 ,  D07B2201/108 ,  D07B2201/2024 ,  D07B2201/2049 ,  D07B2201/2052 ,  D07B2201/2053 ,  D07B2201/2057 ,  D07B2201/2058 ,  D07B2201/2059 ,  D07B2201/206 ,  D07B2201/2076 ,  D07B2205/106 ,  D07B2401/206 ,  D07B2801/24 ,  D07B2801/14

    Abstract: The present invention is to provide a hybrid core rope which does not require maintenance or a hybrid core rope capable of reducing a maintenance task. The hybrid core rope includes a resin solid core in which a plurality of spiral grooves is formed in the longitudinal direction on an outer peripheral surface thereof, a plurality of fiber bundles respectively spirally wound around the outer peripheral surface of the resin solid core along the plurality of spiral grooves, the fiber bundles having thickness to fill the spiral grooves, and a plurality of steel strands spirally wound around the outer peripheral surface of the resin solid core around which the fiber bundles are wound. The fiber bundles and the strands are respectively wound so as to have angles which are not parallel to each other.

    Abstract translation: 本发明提供一种不需要维护的混合式芯绳，或者能够减少维护任务的混合型芯绳。 混合芯绳包括：树脂固体芯，其中在其外周表面上沿纵向方向形成有多个螺旋槽，多个纤维束沿着多个螺旋状地卷绕在树脂固体芯的外周表面上 的螺旋槽，具有填充螺旋槽的厚度的纤维束和螺旋卷绕在树脂固体芯的外周表面上的多个钢丝束，纤维束绕其周围缠绕。 纤维束和股线分别缠绕成具有彼此不平行的角度。

    Steel cord, composite of rubber and steel cord, and tire
    16.
    发明授权
    Steel cord, composite of rubber and steel cord, and tire 失效
    钢丝绳，橡胶和钢丝绳复合材料，轮胎

    公开(公告)号：US08117818B2

    公开(公告)日：2012-02-21

    申请号：US12440935

    申请日：2007-08-23

    Applicant: Kiyoshi Ikehara

    Inventor： Kiyoshi Ikehara

    IPC: D02G3/02 ,  D02G3/48

    CPC classification number: B60C9/0007 ,  B60C9/22 ,  D07B1/0613 ,  D07B1/0633 ,  D07B1/0653 ,  D07B5/10 ,  D07B2201/1004 ,  D07B2201/1076 ,  D07B2201/2006 ,  D07B2201/2018 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2029 ,  D07B2201/2039 ,  D07B2201/204 ,  D07B2201/2051 ,  D07B2201/206 ,  D07B2401/208 ,  D07B2501/2046 ,  D07B2801/12

    Abstract: A steel cord has a multi-twist structure in which N (N=2 to 8) strands 2 are twisted, each strand 2 being formed by twisting a plurality of element wires 1 and having a substantially elliptical cross-section, wherein d1/d2>1.08 is satisfied, where the major diameter of the strand 2 is represented by d1 and the minor diameter is represented by d2, and εe defined by the following equation: εc=√(−b/2+√(b2/4−c))−1 (in the equation, b represents −1+π2(−4R2+d2)/P2, c represents π2d2k(4π2R2+P2)/P4, R represents (D−d)/2, k represents tan2(π/2−π/N), and d represents (d1+d2)/2) satisfies εc>0.005, where the diameter of a circle circumscribing the cord is represented by D (mm) and the twist pitch of the cord is represented by P (mm).

    Abstract translation: 钢丝帘线具有N（N = 2〜8）股2绞合的多捻结构，每股2是通过扭转多个元件丝1而形成的，具有大致椭圆形的横截面，其中d1 / d2 > 1.08，其中股2的大直径由d1表示，小直径由d2表示，并且由以下等式定义：＆egr; c =（-b / 2 +√（b2 / 4-c））-1（式中，b表示-1 +＆pgr; 2（-4R2 + d2）/ P2，c表示＆pgr; 2d2k（4＆pgr; 2R2 + P2）/ P4， d）/ 2，k表示tan2（＆pgr; / 2-＆pgr; / N），d表示（d1 + d2）/ 2）满足＆egr; c> 0.005，其中限定帘线的圆的直径由 D（mm），绳索的捻距由P（mm）表示。

    Steel Cord for Reinforcing Rubber Article, and Pneumatic Tire
    17.
    发明申请
    Steel Cord for Reinforcing Rubber Article, and Pneumatic Tire 审中-公开
    钢丝绳加固橡胶制品和气动轮胎

    公开(公告)号：US20080066844A1

    公开(公告)日：2008-03-20

    申请号：US11597707

    申请日：2005-05-23

    Applicant: Naohiko Obana

    Inventor： Naohiko Obana

    IPC: D02G3/36

    CPC classification number: D07B1/062 ,  B60C9/0007 ,  D07B2201/2023 ,  D07B2201/2029 ,  D07B2201/2039 ,  D07B2201/206 ,  D07B2201/2061 ,  D07B2401/208 ,  D07B2501/2046 ,  D07B2501/2076 ,  D07B2801/12

    Abstract: A steel cord for reinforcing a rubber article and a pneumatic tire. When it is a reinforcement material for a tire belt, the steel cord is capable of satisfying weight lightening, durability and driving stability. The steel cord comprises a core made by parallelly arranging two non-twisted core wires (1) from one layer of sheath made by twisting three to five sheath wires (2) around the core. The outline shape of the cord in a cross-section orthogonal to the axis of the cord is flat The inclination, as seen from the side of the cord, of the core wires is 3° or less relative to the cord axis.

    Abstract translation: 一种用于加强橡胶制品和充气轮胎的钢丝绳。 作为轮胎用带的增强材料，钢帘线能够满足减轻重量，耐久性和行驶稳定性。 钢丝帘线包括通过将三根至五根护套线（2）缠绕在芯周围的一层护套平行布置的两根非扭绞芯线（1）制成的芯。 在与绳的轴线正交的横截面中的帘线的轮廓形状是扁平的。从芯线的一侧看，芯线相对于帘线轴线的倾斜度为3°或更小。

    Flattened helical tire cord
    18.
    发明授权
    Flattened helical tire cord 有权
    扁平螺旋轮胎帘线

    公开(公告)号：US07051506B2

    公开(公告)日：2006-05-30

    申请号：US10509355

    申请日：2003-04-07

    Applicant: Takanori Kobayashi ,  William E. Smith ,  Charles E. Smith, Jr. ,  Noritaka Morioka

    Inventor： Takanori Kobayashi ,  William E. Smith ,  Charles E. Smith, Jr. ,  Noritaka Morioka

    IPC: D02G3/48

    CPC classification number: D07B1/0653 ,  D07B1/0613 ,  D07B1/062 ,  D07B1/0646 ,  D07B2201/2006 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2029 ,  D07B2201/2033 ,  D07B2201/2039 ,  D07B2201/206 ,  D07B2401/208 ,  D07B2501/2046 ,  D07B2801/12

    Abstract: A tire cord having core filaments (10) performed into a helical configuration while maintaining the core filaments (10) in a parallel, side-by-side relationship. The core filaments (10) are not twisted or stranded together. High tensile strength sheath filaments (11) are also performed into a flattened helical configuration so that the sheath filaments (11) can be wrapped around the side-by-side core filaments such that the sheath filaments (11) do not put such tension on the core filaments (10) as to cause the core filaments (10) to bunch. The core filaments (10) are maintained in a flat side-by-side configuration so that no voids are formed and rubber can penetrate into the tire cord. The core filaments (10) may number from three to six and the sheath filaments (11) from one to seven. The cross-section of the tire cord is flattened and confined within an oval-shaped outer bound (21), the oval outer bound (21) being characterized by a major axis and a minor axis. It is desirable that the minor axis be no greater than 60% of the major axis to create the appropriate difference in the bending modulus of the tire cord in the horizontal versus the vertical direction.

    Abstract translation: 一种具有芯丝（10）的轮胎帘线，其执行成螺旋状构造，同时保持芯丝（10）处于并排的并排关系。 芯丝（10）不扭曲或绞合在一起。 高抗拉强度的护套细丝（11）也被进行成扁平的螺旋结构，使得护套细丝（11）可以围绕并排芯丝卷绕，使得护套细丝（11）不会将这种张力放在 芯丝（10）使芯丝（10）束缚。 芯丝（10）保持平坦的并排构造，使得不形成空隙，并且橡胶可以渗透到轮胎帘线中。 芯丝（10）的数量可以从三到六，鞘细丝（11）从一到七。 轮胎帘线的横截面是扁平的并且被限制在椭圆形外边界（21）内，椭圆形外边界（21）的特征在于长轴和短轴。 期望短轴不大于长轴的60％，以产生在水平方向与垂直方向上的轮胎帘线的弯曲模量的适当差异。

    Tire cord
    19.
    发明申请
    Tire cord 有权
    轮胎帘线

    公开(公告)号：US20030188525A1

    公开(公告)日：2003-10-09

    申请号：US10118264

    申请日：2002-04-08

    Inventor： Takanori Kobayashi ,  William E. Smith ,  Charles E. Smith JR.

    IPC: D07B001/06

    CPC classification number: D07B1/0653 ,  D07B1/0613 ,  D07B1/062 ,  D07B1/0646 ,  D07B2201/2006 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2029 ,  D07B2201/2033 ,  D07B2201/2039 ,  D07B2201/206 ,  D07B2401/208 ,  D07B2501/2046 ,  D07B2801/12

    Abstract: A tire cord having core filaments preformed into a helical configuration while maintaining the core filaments in a parallel, side-by-side relationship. The core filaments are not twisted or stranded together. High tensile strength sheath filaments are also preformed into a flattened helical configuration so that the sheath filaments can be wrapped around the side-by-side core filaments such that the sheath filaments do not put such tension on the core filaments as to cause the core filaments to bunch. The core filaments are maintained in a flat, side-by-side configation so that no voids are formed and rubber can penetrate into the tire cord. The core filaments may number from three to six and the sheath filaments from one to seven. The cross-section of the tire cord is flattened and confined within an oval-shaped outer bound, the oval outer bound being characterized by a major axis and a minor axis. It is desirable that the minor axis be no greater than 60% of the major axis to created the appropriate difference in the bending modulus of the tire cord in the horizontal versus the vertical direction.

    Abstract translation: 一种轮胎帘线，其具有预先形成螺旋状构造的芯丝，同时将芯丝保持为并排的并排关系。 芯丝不扭曲或绞合在一起。 高抗拉强度的护套细丝也预成形为扁平的螺旋结构，使得护套细丝可以围绕并排芯丝卷绕，使得护套细丝不会在芯丝上施加这种张力，从而使芯丝 束缚 芯丝保持平坦的并排构造，使得不形成空隙，并且橡胶可以穿透到轮胎帘线中。 核心丝可以从三到六，鞘丝从一到七。 轮胎帘线的横截面是扁平的并且被限制在椭圆形的外边界内，椭圆形外边界以长轴和短轴为特征。 期望短轴不大于长轴的60％，以产生轮胎帘线在水平方向与垂直方向上的弯曲模量的适当差异。

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