Steel cord for reinforcing rubber and pneumatic radial tire using the same
    252.
    发明专利
    Steel cord for reinforcing rubber and pneumatic radial tire using the same 审中-公开
    用于增强橡胶和气动径向轮胎的钢丝绳

    公开(公告)号:JP2007284806A

    公开(公告)日:2007-11-01

    申请号:JP2006110684

    申请日:2006-04-13

    Inventor: KANEHIRA NAOKI

    CPC classification number: D07B1/062 D07B2201/2018 D07B2201/2023

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord for reinforcing rubber, which reduces the cord diameter and suppressing a dimensional change while ensuring adhesiveness between the cord and the rubber and to provide a pneumatic radial tire using the steel cord. SOLUTION: The steel cord 10 used in a belt layer 6 is obtained by twisting 5 side wires 12 having the same wire diameter as a core wire 11 together on the outside of the one core wire 11 subjected to helical preforming and arranging the wires. The steel cord has a flat structure in which the circumscribed circle C11 of the core wire 11 and the circumscribed circle C12 of the side wires 12 form an elliptical shape, respectively. The torsional direction of the core wire 11 is the same as the twisting direction of the side wires 12 and the preforming pitch of the core wire 11 is the same as the twisting pitch of the side wires 12. The minor axis ds of the circumscribed circle C11 of the core wire 11 is ds>d to the wire diameter d. The minor diameter Ds of the circumscribed circle C12 of the side wires 12 is Ds 3.6d. The ratio of the minor diameter Ds to the major diameter D1 is D1/Ds>1.2. COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种用于增强橡胶的钢丝帘线,其在确保帘线和橡胶之间的粘附性的同时减小帘线直径并抑制尺寸变化,并提供使用钢帘线的充气子午线轮胎。 &lt; P&gt;解决方案:用于带束层6的钢丝帘线10通过将具有与芯线11相同的线直径的5条侧线12一起在一个经过螺旋预成型的一根芯线11的外侧扭转, 电线。 钢帘线具有扁平结构,其中芯线11的外接圆C11和侧线12的外接圆C12分别形成椭圆形。 芯线11的扭转方向与侧线12的扭转方向相同,芯线11的预制间距与侧线12的扭转间距相同。外接圆的短轴ds 芯线11的C11与线径d成ds> d。 侧线12的外接圆C12的短径Ds为Ds <3d,侧线12的外接圆C12的长径D1为D1> 3.6d。 小直径Ds与长径D1的比值为D1 / Ds> 1.2。 版权所有(C)2008,JPO&INPIT

    Steel cord and tire
    253.
    发明专利
    Steel cord and tire 有权
    钢丝绳和轮胎

    公开(公告)号:JP2006283197A

    公开(公告)日:2006-10-19

    申请号:JP2005101334

    申请日:2005-03-31

    CPC classification number: D07B1/0613 D07B2201/1004 D07B2201/2018

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord having high strength usable even for a heavy-load tire, good rubber penetrability into the interior of the steel cord, 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 prepared by laying 3 strands 2 obtained by laying 3 wires 3 without a core strand. The external tangent line S2 of the 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 nearly the same direction as the elliptical direction of the strands 2. The flatness (b2/a2) of the strands 2 is 1.15-2.70 and the flatness (b1/a1) of the steel cord 1 is 1.15-2.70. Furthermore, the adjacent strands repeat contact or approach and separation at least twice in one lay pitch and the maximum gap when separated is present near the extreme points of the major axis. The gap interval H1 is ≥3/100 mm.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题:为了提供即使对于重载轮胎也具有高强度的钢丝帘线,对钢帘线内部的良好的橡胶渗透性,轮胎的旋转方向的低刚性和高刚性 方向与轮胎的旋转方向成直角相交。 解决方案:钢帘线1具有3×3结构,其通过铺设通过铺设3根线3而没有芯股而获得的3股线2而制备。 绞线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与椭圆方向大致相同的方向为近似椭圆形 股线2的平直度(b2 / a2)为1.15-2.70,钢丝绳1的平坦度(b1 / a1)为1.15-2.70。 此外,相邻的线在一个间距中重复接触或接近和分离至少两次,并且当分离的最大间隙在长轴的极值点附近存在时。 间隙间隔H1为≥3/ 100mm。 版权所有(C)2007,JPO&INPIT

    Steel cord
    254.
    发明专利
    Steel cord 审中-公开
    钢丝绳

    公开(公告)号:JP2006249636A

    公开(公告)日:2006-09-21

    申请号:JP2005071928

    申请日:2005-03-14

    Inventor: FUKUDA YUKIMASA

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord obtained by stranding one layer of a sheath filament consisting of steel while unevenly distributing, around a plurality of core filaments as non-stranded state, doubled in parallel and improving the rubber penetrating property so as to secure the gaps among the filaments on vulcanization (so as to attach the rubber on the core filaments sufficiently).
    SOLUTION: Since the cross sectional longer diameter of the steel cord 10 is set as larger than the minimum cross sectional longer diameter, on covering the steel cord with rubber 16 for vulcanizing, the gap A among the sheath filaments 14 is secured even on affecting a tensional force and a pressure p from the surrounding rubber against the steel cord, and the rubber 16 can penetrate through the gaps, and the core filaments 12 are sufficiently attached with the rubber 16 and exhibit a high rubber penetration.
    COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 待解决的问题:提供一种钢丝绳,其通过将由钢组成的一层鞘细丝绞合而不均匀地分布,在多条芯丝周围以非绞合状态并联,并且提高橡胶渗透性 从而确保硫化时的长丝间的间隙(从而充分地将橡胶附着在芯丝上)。 解决方案:由于钢帘线10的横截面的较长直径被设定为大于最小截面长度的直径,在用硫化橡胶16覆盖钢帘线时,鞘丝14中的间隙A甚至被固定 影响周围橡胶抵抗钢丝帘线的拉伸力和压力p,橡胶16能够穿过间隙,并且芯丝12与橡胶16充分地附着并呈现高的橡胶渗透性。 版权所有(C)2006,JPO&NCIPI

    Steel cord for rubber reinforcement
    255.
    发明专利
    Steel cord for rubber reinforcement 审中-公开
    钢丝绳用于橡胶加固

    公开(公告)号:JP2006016704A

    公开(公告)日:2006-01-19

    申请号:JP2004192844

    申请日:2004-06-30

    Inventor: MORIOKA AKITAKA

    Abstract: PROBLEM TO BE SOLVED: To suppress the longitudinal elongation of an elliptic open cord caused by the pulling force under a low load range and keep good rubber penetration.
    SOLUTION: The strands of a steel cord 10 having a 1×3 (1×4, 1×5 or 1×6) elliptic open structure and a strand diameter of 0.20-0.45 mm are nonuniformly arranged. The angle α between the tangential line S of the outer circumference of the strands at the contacting point of two strands 1, 2 circumscribed with each other near the minor diameter part of one side of a prescribed cord cross-section and the line T connecting the centers of strands 3 positioned closest to the tangential line S near the minor diameter part at the other side on the cord cross-section is set to 3-25°. The decrease of the gap at the major diameter side is suppressed by the drag force caused by the contact at the minor diameter side by the application of a low tension. The penetration of rubber is maintained at a high level by the structure to improve the fatigue resistance.
    COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:为了抑制在低负载范围内由拉力引起的椭圆开放帘线的纵向伸长并保持良好的橡胶渗透性。 解决方案:具有1×3(1×4,1×5或1×6)椭圆形开放结构和股线直径为0.20-0.45mm的钢丝帘线10的股线不均匀地布置。 在规定的线横截面的一侧的短径部附近的两根线束1,2的接触点处的线股的外周的切线S与将T 位于最靠近绳索横截面上另一侧的小直径部分附近的切向线S的线束3的中心被设定为3-25°。 由于通过施加低张力而在小直径侧的接触引起的牵引力来抑制大直径侧的间隙的减小。 橡胶的渗透通过结构保持在高水平以提高耐疲劳性。 版权所有(C)2006,JPO&NCIPI

    Pneumatic radial tire
    257.
    发明专利

    公开(公告)号:JP2004066911A

    公开(公告)日:2004-03-04

    申请号:JP2002227232

    申请日:2002-08-05

    Inventor: OBANA NAOHIKO

    Abstract: PROBLEM TO BE SOLVED: To provide a pneumatic radial tire having a belt capable of reducing weight of the tire while maintaining durability of the tire.
    SOLUTION: Steel cords constituting belt layers 14, 15, 16 of the pneumatic radial tire 10 are cords constituted in such a way that three core filaments are arranged in parallel without twisting them, a plurality of sheath filaments are intertwined around them, and cord outer profile shape of a vertical face in the longitudinal direction of the cord is like track. The outer profile shape of the cord is arranged in the longitudinal direction without twisting, and long axis of the cord is arranged in the same direction for the direction of belt width and in parallel with the direction of belt width at distance of 0.6 mm or more.
    COPYRIGHT: (C)2004,JPO

    Cord reinforcing member and manufacturing method therefor and pneumatic tire
    260.
    发明专利
    Cord reinforcing member and manufacturing method therefor and pneumatic tire 审中-公开
    钢筋加固构件及其制造方法及气动轮胎

    公开(公告)号:JP2003063209A

    公开(公告)日:2003-03-05

    申请号:JP2001256139

    申请日:2001-08-27

    Inventor: TAGAWA KAZUYOSHI

    Abstract: PROBLEM TO BE SOLVED: To provide a run-flat tire for winter of a side reinforcing type with excellent steering performance at the time of a run-flat traveling on an iced road surface, in particular, by suppressing a buckling phenomenon apt to occur at the time of a tire blow-out. SOLUTION: This tire is provided with carcass 25 made of at least a sheet of ply having cords extended in toroidal shapes and substantially radially arrayed between bead cores 23 buried in each of a pair of bead parts 22 and a belt 32 made of at least a cord layer in which a plurality of steel cords are covered with rubber on an outer peripheral side of a crown part 26 of the carcass 25. The cord layers composing the belt 32 are made reinforcing cord layers 31a and 31b to be flat cords in which the steel cords have sectional shapes of substantially elliptical shapes and the major axes are arranged in directions in which the axes have inclined angles in a cross section width direction 33 of the belt 32.

    Abstract translation: 要解决的问题:为了提供一种具有优良的转向性能的侧面补强型冬季用于在冰面路面上行驶的平坦的轮胎,特别是通过抑制容易发生的弯曲现象 轮胎爆胎的时间。 解决方案:该轮胎设置有由至少一层帘布层制成的帘布层25,帘布层具有以环形形状延伸的帘线,并且基本上径向排列在埋入一对胎圈部22中的胎圈芯23和由至少一个 帘线层,其中多个钢丝帘线在胎体25的胎冠部分26的外周侧被橡胶覆盖。构成带32的帘线层被制成加强帘线层31a和31b为扁平帘线,其中, 钢丝帘线具有大致椭圆形的截面形状,并且长轴布置在带32的横截面宽度方向33上的轴线具有倾斜角的方向上。

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