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    Steel cords for the reinforcement of rubber articles and pneumatic radial tires using the same
    251.
    发明公开
    Steel cords for the reinforcement of rubber articles and pneumatic radial tires using the same 失效
    钢索于橡胶产品和具有子午线轮胎那些钢索增强。

    公开(公告)号：EP0669421A2

    公开(公告)日：1995-08-30

    申请号：EP95301104.6

    申请日：1995-02-21

    Applicant: Bridgestone Corporation

    Inventor： Kuriya, Yoshinori

    IPC: D07B1/06

    CPC classification number: D07B1/0633 ,  D07B1/0626 ,  D07B1/0646 ,  D07B2201/2008 ,  D07B2201/2023 ,  D07B2201/203 ,  D07B2201/2032 ,  D07B2201/204 ,  D07B2201/2061 ,  D07B2201/2097 ,  D07B2401/207 ,  D07B2501/2046 ,  Y10S57/902 ,  D07B2801/12

    Abstract: A steel cord for the reinforcement of rubber articles comprises a core (1) comprised of three steel filaments, a first sheath (2) formed by twisting nine wave-formed steel filaments around the core, and a second sheath (3) formed by twisting fifteen wave-formed steel filaments around the first sheath in a direction opposite to the twisting direction of the first sheath, in which a forming ratio F 1 of each filament in the first sheath (2) and a forming ratio F 2 of each filament in the second sheath (3) are within a range of 0. 75-0. 95, respectively, and satisfy F 1 2 . A pneumatic radial tire may comprise a carcass ply (4) comprised of such steel cords.

    Abstract translation: 的橡胶制品的增强的钢丝帘线包括由三根钢丝的芯（1），通过扭转围绕核心9波成形钢长丝形成的第一护套（2），和一个第二套管（3）通过捻合FORMED 围绕在一个方向上的第一护套相对所述第一护套的扭转方向，15波形成的钢丝，其中在第一护套各长丝的形成比F1（2）和在所述第二各长丝的形成比率F2 护套（3）的范围内的0. 75-0内。 95，分别与满足F1

    Steel cord
    252.
    发明公开
    Steel cord 失效
    Stahlseil。

    公开(公告)号：EP0551124A2

    公开(公告)日：1993-07-14

    申请号：EP93100206.7

    申请日：1993-01-08

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Ikehara, Kiyoshi

    IPC: D07B1/06

    CPC classification number: D07B1/0653 ,  B60C9/0007 ,  B60C9/0057 ,  B60C9/2006 ,  D07B2201/2007 ,  D07B2201/2008 ,  D07B2201/2018 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2039 ,  D07B2201/2081 ,  D07B2401/2025 ,  D07B2401/208 ,  D07B2501/2046 ,  Y10S57/902 ,  Y10T152/10765 ,  D07B2801/14

    Abstract: A steel cord for reinforcing rubber articles comprises one wave-form or helical core steel filament and a plurality of sheath steel filaments disposed around the core steel filament, the pitch Pc of the core steel filament is 3.0 dc/0.34 ≦ Pc ≦ 10.0 dc/0.34 (dc = diameter of steel core filament) and the core forming ratio Rc = Lc/dc (Lc is an amplitude of the wave or helix of the core steel filament) is within a particular range varying depending on the number of sheath steel filaments. The rubber articles containing the steel cord have an improved resistance to corrosion propagation and a high strength. A pneumatic tire is reinforced with the above-mentioned steel cord and contains a cross belt layer where

    (i) an angle 0 formed by a reinforcing steel cord and the equatorial plane of the tire is :
    (ii) a gap between adjacent two steel cords in the same layer, I, is :
    (iii) a gauge of the gum between two facing cords, G, is :

    The pneumatic tire exhibits suppression of development of crack at the belt end in addition to the advantages as above.

    Abstract translation: 用于增强橡胶制品的钢帘线包括一个波形或螺旋芯钢丝和围绕芯钢丝布置的多个护套钢丝，芯钢丝的间距Pc为3.0cd / 0.34 < = dc dc / 0.34（dc =钢芯长丝的直径），芯形成比Rc = Lc / dc（Lc是芯钢丝的波长或螺旋的振幅）在根据数量变化的特定范围内 的鞘钢丝。 含有钢帘线的橡胶制品具有改善的抗腐蚀传播性和高强度。 充气轮胎用上述钢帘线增强，并且包含交叉带束层，其中（i）由钢筋帘线形成的角度θ和轮胎的赤道平面是：（ii）相邻的 同一层中的两根钢丝绳I是：（iii）两个面对帘线之间的牙龈G的量规是：充气轮胎显示出抑制皮带末端处裂纹的发展 具有如上所述的优点。

    Cord manufacturing device and cord manufacturing method
    258.
    发明专利
    Cord manufacturing device and cord manufacturing method 有权
    钢丝绳制造装置及其制造方法

    公开(公告)号：JP2010070863A

    公开(公告)日：2010-04-02

    申请号：JP2008236361

    申请日：2008-09-16

    Applicant: Bridgestone Corp ,  株式会社ブリヂストン

    Inventor： OGAWA YUICHIRO

    IPC: D07B3/00 ,  B29D30/38 ,  D07B1/06

    CPC classification number: B29D30/06 ,  D07B1/0606 ,  D07B7/025 ,  D07B2201/2007 ,  D07B2201/2008

    Abstract: PROBLEM TO BE SOLVED: To produce a helical cord that forms an elliptical shape will be manufactured so that the length-to-width ratio or the dimensions of the shaped form of the cord that is shaped in the length direction can be changed.
    SOLUTION: A cord C is passed successively to through-holes 21H and 22H in a stationary and a movable shaping body 21 and 22 opposite each other in a shaping device 20. At this time, the movable shaping body 22 is moved along the stationary shaping body 21 by a moving apparatus, the through-holes 21H and 22H are brought off-center, and the cord C passing between the off-centered through-holes 21H and 22H is shaped by being bent and deformed. The moving apparatus is also provided with first and second displacement mechanisms that displace the movable shaping body 22 in the X and Y directions. The movable shaping body 22 is thus rediprocatingly displaced by amounts of displacement individually set synchronized to the two directions, the movable shaping body 22 is moved continuously interlocked to the displacement in the two directions, and the cord C that is passed through is shaped.
    COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：制造形成椭圆形状的螺旋线将被制造成可以改变在长度方向成形的帘线的成形形式的长宽比或尺寸 。 解决方案：在成形装置20中，电缆C连续地通过固定和可动成形体21和22相对的通孔21H和22H。此时，可动成形体22沿着 通过移动装置的静止成形体21，通孔21H和22H偏离中心，并且穿过偏心通孔21H和22H之间的帘线C通过弯曲和变形而成形。 移动装置还设置有在X和Y方向上移动可移动成形体22的第一和第二移位机构。 因此，可动成形体22通过与两个方向同步设置的位移量相反地移动，可移动成形体22连续地互锁地移动到沿两个方向的位移，并且通过的帘线C成形。 版权所有（C）2010，JPO＆INPIT

    Steel cord and automotive tire
    260.
    发明专利
    Steel cord and automotive tire 审中-公开
    钢丝绳和汽车轮胎

    公开(公告)号：JP2007191813A

    公开(公告)日：2007-08-02

    申请号：JP2006009422

    申请日：2006-01-18

    Applicant: Tokusen Kogyo Co Ltd ,  トクセン工業株式会社

    Inventor： ISHII ISAO ,  FUJITA MASAYA

    IPC: D07B1/06 ,  B60C9/00

    CPC classification number: D07B1/0646 ,  D07B2201/2007 ,  D07B2201/2008 ,  D07B2201/2022

    Abstract: PROBLEM TO BE SOLVED: To provide a single-layer twisted steel cord for reinforcing rubber products having sufficient rubber penetrability and excellent fatigue resistance and to provide an automotive tire using the steel cord in a reinforcing material.
    SOLUTION: The steel cord is obtained as follows. At least one wire 11 of a steel cord 10 having a 1×n structure is provided with a small spiral or wavy preform. In the wire provided with the spiral or wavy preform, the extent of protrusions from the cord outer periphery is regulated so that there exists no site where the ratio L/d of the deviation range L of the locus from the base line (sine wave) of the spiral preform for cord twisting in the projection plane of the preformed wire 11 after untwisting and loosening to the wire diameter d exceeds 0.7 in the whole round angle of the wire and there exist ≥2 sites where the ratio L/d is within the range of 0.07-0.7 per twisting spiral pitch.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种用于增强具有足够的橡胶渗透性和优异的耐疲劳性的橡胶制品的单层扭绞钢丝帘线，并提供一种使用钢帘线加强材料的汽车轮胎。 钢丝绳如下获得。 具有1×n结构的钢丝绳10的至少一根导线11设置有小的螺旋状或波状预制件。 在设置有螺旋状或波浪形状的预制棒的线材中，调节从帘线外周的突出程度，使得不存在与基线（正弦波）的轨迹的偏差范围L的比率L / d的位置， 在钢丝直径d的解捻和松动之后，在预成型钢丝11的投影平面中扭曲的螺旋预成型件在整个圆角上超过0.7，并且存在≥2个比例L / d在 范围为0.07-0.7每捻捻螺距。 版权所有（C）2007，JPO＆INPIT

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