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    Method for producing rubber steel cord composite material
    281.
    发明专利
    Method for producing rubber steel cord composite material 有权
    生产橡胶钢丝复合材料的方法

    公开(公告)号：JP2009299219A

    公开(公告)日：2009-12-24

    申请号：JP2008155104

    申请日：2008-06-13

    Applicant: Bridgestone Corp ,  株式会社ブリヂストン

    Inventor： NISHIMURA MITSUYASU

    IPC: D07B1/06

    CPC classification number: D07B1/062 ,  D07B1/0626 ,  D07B2201/2028 ,  D07B2201/2029 ,  D07B2201/2046 ,  D07B2201/2061 ,  D07B2201/2062 ,  D07B2201/2065 ,  D07B2201/2082 ,  D07B2207/205 ,  D07B2501/2046 ,  D07B2801/12

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a rubber-steel cord composite material which prevents deterioration in durability caused by a coating amount of unvulcanized rubber, degradation in fatigue resistance and workability and stably obtains excellent durability and fatigue resistance. SOLUTION: In producing a rubber-steel cord composite material of two-layer twisting structure by coating the circumferences of core made by twisting one or a plurality of filaments with unvulcanized rubber, twisting a plurality of filaments to become a sheath while forming gaps between the filaments, in the cross-section of the cord, when the area of region enclosed by the circumscribed circle of the core and the contour lines of the core is A and the cross-section area of the coating layer of the unvulcanized rubber coating the core is B, the unvulcanized rubber is coated under conditions that the areas A and B satisfy the following formula: A≤B≤5A. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种防止未硫化橡胶的涂布量导致的耐久性劣化的橡胶 - 钢丝帘线复合材料的制造方法，耐疲劳性和加工性的劣化，并且稳定地获得优异的耐久性和耐疲劳性。 解决方案：在通过涂覆通过将一根或多根细丝与未硫化橡胶扭曲而制成的芯的周围来制造双层扭曲结构的橡胶 - 钢丝帘线复合材料时，在形成时将多根长丝扭曲成鞘 当芯的外接圆包围的区域的面积和芯的轮廓线的面积是A时，长丝之间的间隙，在未硫化橡胶的涂层的横截面积 涂布芯是B，在A区和A区满足下列公式的条件下涂布未硫化橡胶：A≤B≤5A。 版权所有（C）2010，JPO＆INPIT

    Metal cord for reinforcing rubber article and rubber article
    283.
    发明专利
    Metal cord for reinforcing rubber article and rubber article 审中-公开
    用于增强橡胶制品和橡胶制品的金属丝

    公开(公告)号：JP2007197861A

    公开(公告)日：2007-08-09

    申请号：JP2006016784

    申请日：2006-01-25

    Applicant: Sumitomo Denko Steel Wire Kk ,  Tochigi Sumitomo Denko Kk ,  住友電工スチールワイヤー株式会社 ,  栃木住友電工株式会社

    Inventor： SANO YUICHI ,  OKAMOTO KENICHI

    IPC: D07B1/06 ,  B60C9/00

    CPC classification number: D07B1/0653 ,  D07B1/0626 ,  D07B2201/2023 ,  D07B2201/2025 ,  D07B2201/2028 ,  D07B2201/2039 ,  D07B2201/2059 ,  D07B2201/2061 ,  D07B2401/208 ,  D07B2501/2046

    Abstract: PROBLEM TO BE SOLVED: To obtain a metal cord for reinforcing a rubber article, which improves penetration of a rubber material to the inside of a cord while controlling reduction in compressive rigidity of a cord and a rubber article. SOLUTION: The metal cord 7 for reinforcing a rubber article comprises a core filament 9 and five outer sheath filaments 10 helically twisted on the core filament 9 so as to enclose the core filament 9. The filament diameters of the core filament 9 and the outer sheath filaments 10 are substantially the same diameter. Proper spaces are formed between the outer filaments 10. The core filament 9 is formed with two-dimensional corrugated parts 12 having a pitch smaller than the twisting pitch of the outer sheath filaments 10. Each of the outer sheath filaments 10 is not formed with such small corrugated parts 12. COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题：为了获得用于加强橡胶制品的金属帘线，其改善了橡胶材料在帘线内部的渗透同时控制帘线和橡胶制品的抗压刚度的降低。 解决方案：用于加强橡胶制品的金属帘线7包括芯丝9和在芯丝9上螺旋扭绞以包围芯丝9的五根外护套细丝10.芯丝9的长丝直径 外护套细丝10的直径基本相同。 在外部细丝10之间形成适当的空间。芯丝9由具有比外部皮细长丝10的捻合间距小的间距的二维波纹部分12形成。每个外部护套细丝10都不形成 小波纹部件12.版权所有（C）2007，JPO＆INPIT

    Pneumatic radial tire
    284.
    发明专利
    Pneumatic radial tire 有权
    气动辐射轮胎

    公开(公告)号：JP2007118850A

    公开(公告)日：2007-05-17

    申请号：JP2005315811

    申请日：2005-10-31

    Applicant: Bridgestone Corp ,  株式会社ブリヂストン

    Inventor： HAYASHI SEIJI

    IPC: B60C9/20 ,  B60C9/00 ,  D07B1/06

    CPC classification number: D07B1/062 ,  D07B1/0626 ,  D07B2201/2018 ,  D07B2201/2022 ,  D07B2201/2023 ,  D07B2201/2028 ,  D07B2201/2029 ,  D07B2201/206 ,  D07B2401/206 ,  D07B2501/2046 ,  D07B2801/12

    Abstract: PROBLEM TO BE SOLVED: To provide a pneumatic radial tire equipped with a good maneuvering stability, durability, and cost performance required of a high performance radial tire designed for application to a high performance passenger car. SOLUTION: The pneumatic radial tire includes a carcass 1 as a skeleton which stretches toroidally between a pair of bead parts 11 and is structured so that at least one belt layer 2 formed by lining with rubber the steel cords consisting of a plurality of steel element wires is laid on the outside in radial direction of the crown part of the carcass. The bending rigidity Ec of the steel cords in the condition embedded in the belt layer ranges between 49 and 196 Pa, being 1.0-1.27 times as large as the cord bending rigidity Er in the condition of cords solely not embedded in the belt layer. COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种充气子午线轮胎，其具有设计用于高性能乘用车的高性能子午线轮胎所需的良好的机动稳定性，耐久性和成本性能。 解决方案：充气子午线轮胎包括作为骨架的胎体1，该胎体1在一对胎圈部11之间环状延伸，并且构造成使得至少一个由橡胶衬里形成的带束层2由多个 钢丝绳沿胎体冠部的径向放置在外侧。 在嵌入带束层的状态下，钢帘线的弯曲刚度Ec在49〜196Pa的范围内，在帘线弯曲刚度Er的1.0-1.27倍的条件下，仅在未嵌入带束层的条件下。 版权所有（C）2007，JPO＆INPIT

    Steel cord and pneumatic radial tire
    285.
    发明专利
    Steel cord and pneumatic radial tire 有权

    公开(公告)号：JP2004277968A

    公开(公告)日：2004-10-07

    申请号：JP2003074583

    申请日：2003-03-18

    Applicant: Toyo Tire & Rubber Co Ltd ,  東洋ゴム工業株式会社

    Inventor： URYU TOMOYUKI

    IPC: D07B1/06 ,  B60C9/00

    CPC classification number: D07B1/0646 ,  D07B1/0633 ,  D07B5/005 ,  D07B2201/2028 ,  D07B2201/2051 ,  D07B2201/2059 ,  D07B2801/12

    Abstract: PROBLEM TO BE SOLVED: To disperse the appearance of a scraped off part of plating to the surface of a cord and maintain the process-passing property of a cord material well in the production processes of a tire.
    SOLUTION: This wrapping-less steel cord 1 has a polygonal cross section of the cord obtained by twisting all of the filaments 11, 13, 15 in a same direction with an almost same pitch. The line diameter of the filament is 0.15-0.30 mm. The diameter of the core filament is equal to or thicker than that of the sheath filaments, and at least the filament 15 constituting the outermost layer sheath 14 has a twist in filament axis direction. Also, the profile-forming rate of the filaments 15a constituting the corner part of the outermost layer sheath 14 is 65-80 % and the profile-forming rate of the filaments 15b forming other than the corner part is 90-100 %.
    COPYRIGHT: (C)2005,JPO&NCIPI

    Pneumatic radial tire
    286.
    发明专利
    Pneumatic radial tire 有权

    公开(公告)号：JP2004276871A

    公开(公告)日：2004-10-07

    申请号：JP2003074633

    申请日：2003-03-18

    Applicant: Toyo Tire & Rubber Co Ltd ,  東洋ゴム工業株式会社

    Inventor： AZUMA KOJI

    IPC: D07B1/06 ,  B60C9/00

    CPC classification number: D07B1/062 ,  D07B1/0626 ,  D07B1/0633 ,  D07B2201/2028 ,  D07B2201/2098

    Abstract: PROBLEM TO BE SOLVED: To provide a pneumatic radial tire excellent in durability for keeping a tire manufacturing process stable and reducing fretting abrasion due to lapping.
    SOLUTION: In a steel cord 2, nine to thirty pieces of steel filaments are simultaneously bundled, and all the filaments 21, 22 are twisted in the same direction at the same pitch in one time of a wire stranding process to form a multilayer structure, and a lapping wire W2 is wound on the steel cord 2 in the same direction as a cord twisting direction. An angle formed by the lapping wire W2 with respect to the filament 22 in the outermost layer is 5 to 15°.
    COPYRIGHT: (C)2005,JPO&NCIPI

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