Steel cord, and tire to which the steel cord is applied
    301.
    发明专利
    Steel cord, and tire to which the steel cord is applied 审中-公开
    钢丝绳和轮胎应用钢丝绳

    公开(公告)号:JP2009287147A

    公开(公告)日:2009-12-10

    申请号:JP2008142715

    申请日:2008-05-30

    Inventor: MATSUYAMA KOJI

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord maintaining the parallel arrangement of parallel core bundles without being twisted with each other, and to provide a tire to which the steel cord is applied.
    SOLUTION: The steel cord includes the core in which a plurality of wires are bundled in parallel without twisting together, and a sheath by the plurality of wires wound around the core. In the steel cord, the molded amount L1 of the wires in the sheath in the minor axis direction in a contour shape of the steel cord and the molded amount L2 of the wires in the sheath in the major axis direction therein satisfy following formulas (1) and (2): L1≤2.5×b+(a-b)/2 (1) and 0.9×(n×a+2×b)≤L2≤1.1×(n×a+2×b) (2) (wherein, (a) is the wire diameter of the core; (b) is the wire diameter of the sheath; and (n) is the number of wires in the core).
    COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种钢丝绳,其保持平行芯束的平行布置而不彼此扭曲,并且提供应用钢帘线的轮胎。 解决方案:钢丝帘线包括芯线,其中多条线材平行地捆扎在一起而不被扭绞在一起,并且由多根缠绕在芯子上的线材组成的护套。 在钢帘线中,钢丝帘线的短轴方向的护套中的线的成型量L1和护套中长度方向上的线的成型量L2满足下式(1) )和(2):L1≤2.5×b +(ab)/ 2(1)和0.9×(n×a + 2×b)≤L2≤1.1×(n×a + 2×b)(2) ,(a)是芯的线径;(b)是护套的线直径;(n)是芯中的线数)。 版权所有(C)2010,JPO&INPIT

    Steel cord for reinforcing rubber article and pneumatic tire
    303.
    发明专利
    Steel cord for reinforcing rubber article and pneumatic tire 有权
    用于加强橡胶制品和气胎的钢丝绳

    公开(公告)号:JP2009062655A

    公开(公告)日:2009-03-26

    申请号:JP2007233176

    申请日:2007-09-07

    Inventor: HAYASHI SEIJI

    Abstract: PROBLEM TO BE SOLVED: To provide an open structure steel cord that has an intended elliptical shape which has a uniform ratio of the minor axis to the major axis in the longitudinal direction of the cord. SOLUTION: The steel cord is a single-layer open-structure steel cord formed of seven or more steel filaments and has a cross-section of an elliptical shape extending continuously in the longitudinal direction of the cord wherein the ratio A/B of the minor axis A to the major axis B in the elliptical shape is 0.4-0.8; the diameter d of the steel filament is 0.12-0.26 mm; and the ratio a/d of the twist pitch (a) of the cord to the diameter d of the steel filament is 30-80. COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题:提供具有预期的椭圆形的开放式结构钢丝绳,其具有在帘线的纵向方向上的短轴与长轴的均匀比。 钢帘线是由七根以上的钢丝构成的单层开放式钢丝帘线,其长度方向的长度方向的长度方向的椭圆形截面为A / B 的短轴A至椭圆形的长轴B为0.4-0.8; 钢丝的直径d为0.12-0.26mm; 帘线的捻距(a)与钢丝的直径d的比率a / d为30〜80。 版权所有(C)2009,JPO&INPIT

    Method for production of steel cord for reinforcing rubber article
    304.
    发明专利
    Method for production of steel cord for reinforcing rubber article 审中-公开
    生产用于增强橡胶制品的钢丝绳的方法

    公开(公告)号:JP2008308809A

    公开(公告)日:2008-12-25

    申请号:JP2008130043

    申请日:2008-05-16

    Inventor: MATSUYAMA KOJI

    Abstract: PROBLEM TO BE SOLVED: To provide a method for production of a steel cord for reinforcing rubber articles, by which a plurality of untwisted core wires are parallelly arranged stably in the longitudinal direction without overlapping, when producing the steel cord for reinforcing rubber articles having untwisted parallel core wires. SOLUTION: The method produces a steel cord for reinforcing rubber articles by using a buncher twister, which cord has a core provided by arranging a plurality of core wires parallelly without twisting and a plurality of sheath wires twisted around the core, and has a cord having a cross-section of almost oval. The core and the sheath wires are twisted to be the final twisted cord 1, and, soon after removing the twist of the final twisted cord 1 by an over twister 11, the final twisted cord without twist is processed through three or more flat rolls 12 having a flat contact surface with the cord. COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 解决问题的方案:提供一种生产用于增强橡胶制品的钢丝绳的方法,通过该方法多个未绞合的芯线在纵向方向上不重叠地平行地平行布置,当生产用于增强橡胶的钢帘线 具有未绞合的平行芯线的物品。 解决方案:该方法通过使用绞车捻线机产生用于加强橡胶制品的钢丝帘线,该帘线具有通过平行地平行布置多个芯线而不加捻而设置的芯,以及围绕芯扭绞的多个护套线,并且具有 具有近似椭圆形横截面的绳索。 芯线和护套线被扭曲为最终的扭绞线1,并且在通过过捻机11去除最终扭绞线1的扭转之后不久,不扭曲的最终扭绞线通过三个或更多个平辊12进行加工 与电线具有平坦的接触表面。 版权所有(C)2009,JPO&INPIT

    Steel cord, rubber-steel cord composite body and tire
    305.
    发明专利
    Steel cord, rubber-steel cord composite body and tire 有权
    钢丝绳,橡胶钢丝复合体和轮胎

    公开(公告)号:JP2008069484A

    公开(公告)日:2008-03-27

    申请号:JP2006249705

    申请日:2006-09-14

    Inventor: IKEHARA KIYOSHI

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord useful for reinforcing a tire crown part in particular, producible in high efficiency with stable quality without any problems on its production as seen in conventional cases, and to provide a rubber-steel cord composite body and a tire each using the steel cord.
    SOLUTION: The steel cord has such a multilaid structure that N strands 2 (N=2-8) each with nearly elliptical crosssection made by laying a plurality of wires 1 are laid together. In the steel cord, the ratio d1/d2 is greater than 1.08 (wherein, d1 and d2 are the major axis and the minor axis of the strand 2, respectively). The steel cord meets the requirement:ε
    c >0.005, wherein ε
    c is defined by the following formula:ε
    c =√(-b/2+√(b
    2 /4-c))-1 [wherein b is -1+π
    2 (-4R
    2 +d
    2 )/P
    2 ; c is π
    2 d
    2 k(4π
    2 R
    2 +P
    2 )/P
    4 ; R is (D-d)/2; k is tan
    2 (π/2-π/N); and d is (d1+d2)/2; wherein D is the circumscribed circle diameter (mm) of the cord, and P is the twisting pitch (mm) of the cord].
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种用于加强轮胎胎面部分的钢帘线,其可以高效率地生产,质量稳定,在常规情况下如生产没有任何问题,并且提供一种橡胶钢帘线 复合体和轮胎,每个使用钢丝绳。 解决方案:钢帘线具有这样的多层结构,即将通过铺设多根线1制成的几乎椭圆形横截面的N股线2(N = 2-8)放在一起。 在钢丝帘线中,比率d1 / d2大于1.08(其中d1和d2分别是股2的短轴和短轴)。 钢丝绳满足以下要求:ε c > 0.005,其中ε c 由下式定义:ε / 2 +√(b 2 / 4-c)) - 1 [其中b为-1 +π 2 < - SP> ð 2 )/ P 2 ; c是π 2 d 2 k(4π 2 R 2 + P 2 )/ P 4 ; R为(D-d)/ 2; k是tan(SP / 2)/(π/ 2-π/ N); d为(d1 + d2)/ 2; 其中D是帘线的外接圆直径(mm),P是绳的扭转间距(mm)]。 版权所有(C)2008,JPO&INPIT

    Steel cord for reinforcing rubber article and pneumatic radial tire
    307.
    发明专利
    Steel cord for reinforcing rubber article and pneumatic radial tire 审中-公开
    用于增强橡胶制品和气动径向轮胎的钢丝绳

    公开(公告)号:JP2007162163A

    公开(公告)日:2007-06-28

    申请号:JP2005359704

    申请日:2005-12-14

    Inventor: HAYASHI SEIJI

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord for reinforcing rubber article excellent in durability compared to conventional one by improving structure of the cord, and to provide a pneumatic radial tire improving steering stability and durability by using the steel cord.
    SOLUTION: The steel cord for reinforcing rubber article has 1×n structure composed of a plurality of steel wires twisted in the same direction with the same twisting pitch. Wherein the number of steel wires is 6-12, and the diameter of the steel wire is 0.08-0.21 mm. The invention relates to the pneumatic radial tire comprising a carcass 1 toroidally extending between a pair of bead sections 11 as a skeleton, and reinforcing crown section of the carcass with a belt layer 2. The steel cord for reinforcing rubber article is applied to the cord constituting the belt layer.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 解决问题:提供一种通过改善帘线的结构来提供耐久性优异的耐久性的钢丝帘线,并且通过使用钢丝帘线提供提高操纵稳定性和耐久性的充气子午线轮胎。 解决方案:用于增强橡胶制品的钢丝帘线具有1×n结构,由具有相同扭转间距的相同方向扭绞的多根钢丝构成。 其中钢丝数为6-12,钢丝直径为0.08-0.21mm。 本发明涉及一种充气子午线轮胎,其包括在作为骨架的一对胎圈部分11之间环形延伸的胎体1和具有带束层2的胎体的加强冠部。用于增强橡胶制品的钢丝帘线被施加到帘线 构成带层。 版权所有(C)2007,JPO&INPIT

    Steel cord and tire
    309.
    发明专利
    Steel cord and tire 有权
    钢丝绳和轮胎

    公开(公告)号:JP2006283199A

    公开(公告)日:2006-10-19

    申请号:JP2005101336

    申请日:2005-03-31

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord which is a zero-degree belt cord following to the expansion in the radial direction of a tire in a vulcanizing treatment, reducing the elongation after molding of the tire, suppressing the expansion of the tire in the diametral direction during running and having low rigidity in the rotative direction of the tire and high rigidity in the direction intersecting the rotative direction of the tire at right angles.
    SOLUTION: The steel cord 1 has a 3×3 structure. The external tangent line S2 of strands 2 is a nearly elliptical shape in nearly the same direction in the longitudinal direction and the external tangent line S1 of the steel cord 1 is a nearly elliptical shape in the same direction as the elliptical direction of the strands 2. Furthermore, the strands 2 have an elliptical spiral preform (shown by dotted lines) with a smaller pitch than the lay pitch length of the steel cord and the contact or approach and separation of the adjacent strands 2 and 2 are present at least once in the one lay pitch.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 待解决的问题:为了提供在硫化处理中随着轮胎径向膨胀而为零度带帘线的钢丝帘线,降低轮胎成型后的伸长率,抑制 轮胎在行驶中沿直径方向并且在轮胎的旋转方向上具有低刚性,并且在与轮胎的旋转方向垂直的方向上具有高刚性。 钢丝帘线1具有3×3的结构。 线束2的外切线S2在长度方向上呈近似椭圆形状,钢丝帘线1的外切线S1在与股线2的椭圆方向相同的方向上呈近似椭圆形 此外,线股2具有椭圆形螺旋预制件(虚线所示),其间距小于钢帘线的间距长度,并且相邻线股2和2的接触或接近和分离至少存在一次 一个摊位。 版权所有(C)2007,JPO&INPIT

    Steel cord and pneumatic tire
    310.
    发明专利
    Steel cord and pneumatic tire 审中-公开
    钢丝绳和气动轮胎

    公开(公告)号:JP2005179859A

    公开(公告)日:2005-07-07

    申请号:JP2003425115

    申请日:2003-12-22

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord capable of suppressing fretting abrasion caused by a contact with beading even on applying to a radial tire equipped with hexagonal beading, and a pneumatic tire improved with its durability by using the same.
    SOLUTION: This steel cord is constituted by winding m-pieces (when n=2, 8≤m≤12 and when n=3, 9≤m≤13) of sheath filaments having a layered twist structure having the same direction with that of a core strand, around the core obtained by arranging the 2 pieces of core strands obtained by twisting n-pieces (n=2 or 3) filaments, in parallel. When the sheath filament has (1) the same diameter with that of the filament constituting the core strand, its longer diameter D
    1 and shorter diameter D
    2 in a flat cross section vertical to its longitudinal direction satisfy the relationship expressed by the following formula: 0.5 2 /D
    1 2 /D
    1

    Abstract translation: 要解决的问题:提供一种能够抑制即使在配备有六边形珠粒的子午线轮胎的情况下也可以抑制与珠粒接触引起的微动磨损的钢丝帘线,以及通过使用其而提高耐久性的充气轮胎。 解决方案:该钢丝帘线由具有相同方向的层状扭曲结构的鞘丝缠绕m片(n =2,8≤m≤12,n =3,9≤m≤13) 与通过将通过扭转n片(n = 2或3)长丝而获得的2个芯股线平行排列而获得的芯周围的芯股线。 当鞘细丝具有与构成芯股线的长丝相同的直径时,其扁平截面中的长径D 1 和较短直径D 2 垂直于其纵向方向满足由下式表示的关系:0.5 2 / D 1 <0.9,当它具有(2)不同的直径时,满足 以下公式:0.35 2 / D 1 <0.95。 版权所有(C)2005,JPO&NCIPI

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