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    Metal cord and pneumatic tire including the same
    62.
    发明授权
    Metal cord and pneumatic tire including the same 失效

    公开(公告)号：US07131257B2

    公开(公告)日：2006-11-07

    申请号：US10301687

    申请日：2002-11-22

    Applicant: Shinichi Miyazaki ,  Osamu Toda

    Inventor： Shinichi Miyazaki ,  Osamu Toda

    IPC: D02G3/02

    CPC classification number: D07B1/0653 ,  D07B1/0646 ,  D07B2201/2008 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2501/2046

    Abstract: A metal cord for reinforcing rubber articles and a pneumatic tire including metal cords to reinforce tire components such as carcass, breaker and band are disclosed, wherein a metal cord according to one aspect of the present invention comprises filaments having a tensile strength of from 4000 to 5500 N/sq.mm and a diameter of from 0.10 to 0.35 mm and the filaments are twisted together, the filaments before twisted are two-dimensionally waved so that the elongation after fracture of the cord becomes in a range of from 2 to 6%. According to another aspect of the present invention, the metal cord is a single filament having a tensile strength of from 4000 to 5500 N/sq.mm and a diameter D of from 0.10 to 0.35 mm, and the filament is two-dimensionally waved so that the elongation after fracture becomes in a range of from 2 to 6%.

    Tire reinforcing steel cord and tire
    66.
    发明申请
    Tire reinforcing steel cord and tire 失效
    轮胎加强钢丝绳和轮胎

    公开(公告)号：US20040250936A1

    公开(公告)日：2004-12-16

    申请号：US10333498

    申请日：2003-01-21

    Inventor： Noritaka Morioka ,  Sinya Harikae

    IPC: D02G003/48 ,  B60C009/18

    CPC classification number: D07B1/062 ,  B60C9/0007 ,  B60C9/0057 ,  B60C9/2006 ,  B60C9/22 ,  D07B2201/2008 ,  D07B2201/2021 ,  D07B2201/2022 ,  D07B2201/2024 ,  D07B2201/2039 ,  D07B2401/2005 ,  D07B2401/201 ,  D07B2501/2046

    Abstract: A tire reinforcing steel cord (1, 10) is provided which has a 1nulln structure formed by twisting together four to seven individual wires having a wire diameter of 0.20 to 0.45 mm, the steel cord being wound a plurality of times in the vicinity of opposite side edges of a belt section of a tire, wherein the steel cord has a substantially spiral or a substantially planar wavy deformation, has an elongation of 1.2% to 2.0% when applying a tensile load of 50 N in a tensile test according to JIS B 7721, and becomes substantially linear with its wavy deformation disappearing under a tensile load in the range of 50 to 250 N. When the steel cord is embedded in a tire as a zero degree belt cord, it stretches to a moderate extent so as to track the expansion of the tire in the radial direction during the vulcanization process in the molding of the tire, and since the steel cord has low stretch after the tire has been molded, it is possible to restrain expansion of the tire in the radial direction during continued high speed rotation of the tire.

    Abstract translation: 提供了一种轮胎加强钢丝帘线（1,10），其具有通过将线直径为0.20至0.45mm的四至七根单独的线扭绞而形成的1xn结构，钢丝绳在相反的附近被多次缠绕 轮胎的带部分的侧边缘，其中钢帘线具有基本螺旋或基本上平面的波浪形变形，在根据JIS B的拉伸试验中施加50N的拉伸载荷时，伸长率为1.2％至2.0％ 7721，并且在其在50至250N范围内的拉伸载荷下的波浪形变消失时变得基本线性。当钢帘线嵌入轮胎中作为零度带束帘线时，其延伸到适度的程度以跟踪 在轮胎成型时的硫化过程中轮胎的径向膨胀，并且由于钢丝帘线在轮胎成型后具有低拉伸力，因此可以抑制轮胎在径向上的膨胀 在轮胎的持续高速旋转期间。

    Tire cord
    67.
    发明授权
    Tire cord 有权
    轮胎帘线

    公开(公告)号：US06748731B2

    公开(公告)日：2004-06-15

    申请号：US10118264

    申请日：2002-04-08

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

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

    IPC: D07B106

    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。 核心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。

    Reinforcing cable for a flexible endless caterpillar track
    68.
    发明申请
    Reinforcing cable for a flexible endless caterpillar track 审中-公开
    增强电缆用于柔性无端履带

    公开(公告)号：US20040029669A1

    公开(公告)日：2004-02-12

    申请号：US10615912

    申请日：2003-07-10

    Applicant: OTICO

    Inventor： Olivier Phely

    IPC: F16G001/28 ,  F16H055/30

    CPC classification number: D07B1/0613 ,  B62D55/244 ,  D07B2201/102 ,  D07B2201/1032 ,  D07B2201/104 ,  D07B2201/2006 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/204 ,  D07B2201/2061 ,  D07B2501/2076

    Abstract: The invention relates to a reinforcing cable for a flexible endless caterpillar track made of an elastomer. The cable (30) comprises a plurality of strands (32C, 32P) each formed from steel filaments and arranged so as to be wound in a helix in the thickness of the belt. Each strand comprises a core composed of at least three filaments (34), an intermediate layer composed of a plurality of filaments (36) and surrounding the core, and an outer layer composed of a plurality of filaments (38) surrounding the intermediate layer. Application to caterpillar tracks for all-terrain vehicles.

    Abstract translation: 本发明涉及一种由弹性体制成的柔性环形履带履带的加强缆索。 电缆（30）包括多根由钢丝形成的绞合线（32C，32P），并被布置为以带状物的厚度卷绕成螺旋状。 每根股线包括由至少三根细丝（34）构成的芯，由多个细丝（36）构成并围绕该芯的中间层，以及由围绕中间层的多个细丝（38）组成的外层。 适用于全地形车辆的履带。

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