Steel cords for the reinforcement of rubber articles and pneumatic tires
    121.
    发明公开
    Steel cords for the reinforcement of rubber articles and pneumatic tires 有权
    Stahlseile zurVerstärkungvon Gummiartikeln sowie Luftreifen

    公开(公告)号:EP1001074A2

    公开(公告)日:2000-05-17

    申请号:EP99308899.6

    申请日:1999-11-09

    Inventor: Yamanaka, Takaya

    Abstract: A steel cord for the reinforcement of rubber articles is formed by twisting 4-5 strands, each strand (1) being formed by twisting a sheath (3) of 4-5 steel filaments around a core (2) of a single steel filament, wherein a ratio of diameter d S of the steel filament constituting the sheath to diameter d C of the steel filament constituting the core is within a range of 1.00 - 1.75, and a twisting direction of the sheath in the strand is the same as a twisting direction of the strand in the cord, and a twisting angle a of the sheath in the strand with respect to an axis of the cord, as calculated by a certain defined equation, is within a range of 30 - 52°.

    Abstract translation: 用于加强橡胶制品的钢丝帘线通过扭绞4-5股线而形成,每条股线(1)通过将单丝钢丝芯(2)上的4-5根钢丝的护套(3)扭转而形成, 其中构成护套的钢丝的直径dS与构成芯的钢丝的直径dC的比率在1.00〜1.75的范围内,并且绞合线中的护套的扭转方向与扭转方向相同 帘线中的股线和相对于帘线的轴线的股线中的护套的扭转角度α通过一定的方程计算,在30-52°的范围内。

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