Steel cord for rubber reinforcement and pneumatic radial tire
    145.
    发明专利
    Steel cord for rubber reinforcement and pneumatic radial tire 审中-公开
    钢丝绳用于橡胶加固和气动辐射轮胎

    公开(公告)号:JP2005002518A

    公开(公告)日:2005-01-06

    申请号:JP2003168930

    申请日:2003-06-13

    Inventor: AOYAMA MASANORI

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord for rubber reinforcement which satisfies all properties of fatigue resistance, cutting resistance and corrosion resistance and further improved in durability and a pneumatic radial tire using the steel cord as a reinforcing material. SOLUTION: The steel cord for rubber reinforcement is composed of a core strand 2 having two or more layers-twisted structure and a sheath strand 1 surrounding the core strand 2. The twist structure of the sheath strand 1 is represented by the formula n×m. The relationship between a diameter d1 of the sheath strand 1 and a diameter d2 of the core strand 2 is preferably represented by the formula d2≥d1. The elongation E1 which results in fracture of the sheath strand 1 is preferably represented by the formula E1≥1.5 (%). COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题:提供一种满足耐疲劳性,耐切割性和耐腐蚀性的所有性能以及进一步提高耐久性的橡胶增强钢丝帘线,以及使用钢帘线作为增强材料的充气子午线轮胎。 解决方案:用于橡胶加固的钢丝绳由具有两层或更多层扭曲结构的芯股2和围绕芯股2的鞘股1组成。鞘股1的扭曲结构由式 n×m个。 鞘股线1的直径d1与芯股2的直径d2之间的关系优选由公式d2≥d1表示。 导致鞘股1的断裂的伸长率E1优选由式E1≥1.5(%)表示。 版权所有(C)2005,JPO&NCIPI

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