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    • 1. 发明授权
    • Steel cord for reinforcing rubber product
    • 用于增强橡胶制品的钢丝绳
    • US5319915A
    • 1994-06-14
    • US4630
    • 1993-01-14
    • Yoshiro KobayashiKoichi HinouraAkihiro NagamotoToshiaki ShimizuTakanori Kobayashi
    • Yoshiro KobayashiKoichi HinouraAkihiro NagamotoToshiaki ShimizuTakanori Kobayashi
    • B60C9/00D07B1/06D07B3/04D07B3/10D07B7/02D02G3/48
    • D07B1/0646B60C9/0007B60C9/0057D07B3/04D07B3/10D07B7/025D07B2201/2007D07B2201/2022D07B2201/2024D07B2201/2025D07B2201/2039D07B2201/204D07B2207/204D07B2501/2046Y10S57/902
    • A steel cord comprising a number (between 3 and 27) of element steel wires tightly twisted at a regular pitch P between 5 and 20 mm in the same direction. Each wire has a diameter d between 0.1 and 0.4 mm. At least one of the wires includes a spiral portion having a spiral pitch P1 between 0.1P and 0.7P and a spiral diameter d1 between d+2/100 mm and d+2/10 mm. At least one other wire includes a straight portion. At any cross section of the cord, 1/4 through 2/3 of the wires is/are spiral and the other wire/s is/are straight. The stretch of the cord under a load of 5 kg is between 0.10 and 0.40%. A method of producing a steel cord comprises supplying a number of element steel wires, forming at least part of at least one of the wires to be spiral, and tightly twisting the wires. An apparatus for producing a steel cord comprises feeders supported by a frame, each feeding an element steel wire along an axis, a tension device for applying a tension to the wire from at least one of the feeders, a spiral device having pins which extend across and are spaced along an axis, so that at least one of the wires from the tension device turns alternately over and under the pins, a strand device rotatable on the axis, so that the wires are twisted to form a strand, and a take-up device to take up the strand.
    • 一种钢帘线,包括以相同方向以5至20mm之间的规则间距P紧密地扭曲的多个(3至27个)元素钢丝。 每根线的直径d在0.1和0.4mm之间。 至少一根电线包括具有0.1P和0.7P之间的螺旋间距P1和d + 2 / 100mm和d + 2 / 10mm之间的螺旋直径d1的螺旋部分。 至少另一根线包括直线部分。 在电线的任何横截面处,1/4至2/3的电线是螺旋形的,另一根电线是/是直的。 在5kg载荷下,绳索的伸长率在0.10至0.40%之间。 一种生产钢帘线的方法包括:供给若干元素钢线,形成要被螺旋形的至少一根电线的至少一部分,并且紧紧地扭曲线。 一种用于生产钢帘线的装置,包括由框架支撑的馈送器,每个馈送器沿着轴线馈送元件钢丝;张紧装置,用于从至少一个馈送器向线材施加张力;螺旋装置, 并且沿着轴线间隔开,使得来自张力装置的至少一根电线交替地在销上方和下方转动,可在轴线上旋转的绞线装置,使得电线被扭曲以形成绞线, 收起装置来收起绳子。
    • 4. 发明授权
    • Flattened helical tire cord
    • 扁平螺旋轮胎帘线
    • US07051506B2
    • 2006-05-30
    • US10509355
    • 2003-04-07
    • Takanori KobayashiWilliam E. SmithCharles E. Smith, Jr.Noritaka Morioka
    • Takanori KobayashiWilliam E. SmithCharles E. Smith, Jr.Noritaka Morioka
    • D02G3/48
    • D07B1/0653D07B1/0613D07B1/062D07B1/0646D07B2201/2006D07B2201/2023D07B2201/2024D07B2201/2029D07B2201/2033D07B2201/2039D07B2201/206D07B2401/208D07B2501/2046D07B2801/12
    • 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.
    • 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。