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    Steel cord for reinforcement of rubber article and tire
    195.
    发明专利
    Steel cord for reinforcement of rubber article and tire 有权
    用于加强橡胶制品和轮胎的钢丝绳

    公开(公告)号：JP2011001683A

    公开(公告)日：2011-01-06

    申请号：JP2010186476

    申请日：2010-08-23

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

    Inventor： MASUBUCHI HIDEKI ,  FUKUDA YUKIMASA

    IPC: D07B1/06 ,  B60C9/00 ,  B60C9/02 ,  B60C9/20

    CPC classification number: D07B1/0613 ,  B60C9/0007 ,  B60C9/02 ,  B60C9/2006 ,  D07B1/0626 ,  D07B1/0633 ,  D07B2201/1068 ,  D07B2201/2006 ,  D07B2201/2023 ,  D07B2201/2037 ,  D07B2201/2051 ,  D07B2201/2061 ,  D07B2401/208 ,  D07B2501/2046 ,  Y10S57/902 ,  D07B2801/12 ,  D07B2801/24

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord capable of developing a satisfactory durability by avoiding the precedent breakage in a part of filaments in the cord having a multitwisted structure to suppress the lowering of the cord tenacity, and a tire having an excellent durability by using such a cord.SOLUTION: The steel cord having a multitwisted structure having a plurality of sheath strands each formed by twisting plural filaments around a core strand formed by twisting plural filaments is provided. At least one of the core strand and the sheath strands has a construction of twisting one or more sheath layers each made of plural filaments around a core made of one or plural filaments, and a diameter of a filament constituting an outermost sheath layer is made larger than that of a filament constituting at least one layer located inside thereof, whereby precedent breakage in a part of the filaments is avoided to suppress the lowering of the tenacity of the steel cord and improve the durability of the steel cord.

    Abstract translation: 要解决的问题：为了提供能够通过避免在具有多重结构的帘线中的细丝的一部分中的先前断裂以抑制帘线强度的降低而能够产生令人满意的耐久性的钢丝绳，以及具有优异的耐久性的轮胎 使用这种绳索。提供了具有多捻结构的钢丝帘线，其具有多个护套股线，每个鞘股线通过将多根细丝缠绕在通过扭转多根长丝形成的芯股线上而形成。 芯线和鞘股线中的至少一个具有将由多个细丝围绕的芯构成的一个或多个护套层捻合的构造，并且构成最外层鞘的长丝的直径变大 比构成位于其内部的至少一层的长丝的长丝的长度大，从而避免了长丝的一部分的先前断裂，以抑制钢帘线的强度的降低并提高钢帘线的耐久性。

    Steel cord for rubber crawler
    197.
    发明专利
    Steel cord for rubber crawler 审中-公开
    钢丝绳钢丝绳

    公开(公告)号：JP2009179901A

    公开(公告)日：2009-08-13

    申请号：JP2008018945

    申请日：2008-01-30

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

    Inventor： MATSUO SHUICHI

    IPC: D07B1/06 ,  B62D55/253

    CPC classification number: D07B1/0613 ,  D07B2201/102 ,  D07B2201/1068 ,  D07B2201/2051 ,  D07B2201/2061 ,  D07B2801/12 ,  D07B2801/24

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord for a rubber crawler, having strength to various forces applied to a steel cord during traveling and excellent durability.
    SOLUTION: In the steel cord 10 for a rubber crawler, which has a plurality of strands formed by twisting a plurality of filaments 14 and in which a core strand 12-1 is arranged at the central position, a plurality of sheath strands 12-2 to 12-7 are arranged at the outside of the core strand and the sheath strands 12-2 to 12-7 are wound on the core strand 12-1, "the twisting direction of the outermost layer filaments 14(C) of the core strand", "the twisting direction of the outermost layer filaments 14(S) of the sheath strands" and "the winding direction of the sheath strands on the core strand" are all the same directions.
    COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种用于橡胶履带的钢丝绳，其具有在行驶期间施加到钢丝绳上的各种力的强度和优异的耐久性。 解决方案：在用于橡胶履带的钢丝绳10中，其具有通过扭绞多根细丝14而形成的多股，其中芯股12-1布置在中心位置，多根鞘股 12-2至12-7布置在芯股线的外侧，并且鞘股线12-2至12-7缠绕在芯股12-1上，“最外层细丝14（C）的扭转方向 芯股线“的最外层丝14（S）的扭转方向和芯股线上的鞘股线的卷绕方向全部相同的方向。 版权所有（C）2009，JPO＆INPIT

    Steel cord for reinforcing rubber article and pneumatic radial tire
    199.
    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：JP2006104636A

    公开(公告)日：2006-04-20

    申请号：JP2004297005

    申请日：2004-10-08

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

    Inventor： AOYAMA MASANORI

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

    CPC classification number: D07B1/0613 ,  D07B1/0626 ,  D07B1/0633 ,  D07B2201/1052 ,  D07B2201/1068 ,  D07B2201/203

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord for reinforcing a rubber article; and to provide a pneumatic radial tire having improved durability by using the steel cord for reinforcing the rubber article as a reinforcing material.
    SOLUTION: The steel cord for reinforcing the rubber article has a 1+6 double twisted structure constituted of one core strand having two- or three-ply layered twist structure, and six sheath strands surrounding the core strand and having two- or three-ply layered twist structures. The whole layered twist directions in the core strand 1 and the twist direction of the sheath strand 4 are the same direction, and the layered twist directions in the sheath strands 4 are the combination of different directions.
    COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题：提供一种用于加强橡胶制品的钢丝帘线; 并且通过使用用于加强作为增强材料的橡胶制品的钢丝帘线提供具有改善的耐久性的充气子午线轮胎。 解决方案：用于加强橡胶制品的钢丝帘线具有由具有两层或三层分层扭曲结构的一根芯股线构成的1 + 6双扭转结构，以及围绕该芯股线的六条鞘股线， 三层分层扭结结构。 芯股线1中的整个分层扭转方向和鞘股4的扭转方向是相同的方向，鞘股4中的分层扭转方向是不同方向的组合。 版权所有（C）2006，JPO＆NCIPI

    Steel cord for reinforcing rubber article and pneumatic tire using the same
    200.
    发明专利
    Steel cord for reinforcing rubber article and pneumatic tire using the same 有权
    用于加强橡胶制品和气动轮胎的钢丝绳

    公开(公告)号：JP2005248373A

    公开(公告)日：2005-09-15

    申请号：JP2004060494

    申请日：2004-03-04

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

    Inventor： FUKUDA YUKIMASA

    IPC: D07B1/06 ,  B60C9/00

    CPC classification number: D07B1/0613 ,  D07B1/0633 ,  D07B2201/1068 ,  D07B2201/1072 ,  D07B2201/1084 ,  D07B2201/2036

    Abstract: PROBLEM TO BE SOLVED: To provide a steel cord for reinforcing a rubber article, by preventing the preceding breakage of filaments and improving the strength at break of the steel cord as a whole, and to provide a pneumatic tire using the same.
    SOLUTION: This double-twisted structure steel cord is provided by twisting a core filament 11 with at least one layer sheath filaments 21 as a layer-twisted structure to form one strand, further twisting in a plurality of strands as the layer-twisted structure consisting of a core strand 1 and at least one layer of sheath strands 2 to make one steel cord. The tensile strength of the filament for forming the strand is made as "the tensile strength of the filament in a layer close to the center of the strand"≥"the tensile strength of the filament in a layer far from the center of the filament", and the mean tensile strength of the strand for forming the steel cord is made as "the mean tensile strength of the layer close to the center of the steel cord"

    Abstract translation: 要解决的问题：为了提供一种用于增强橡胶制品的钢丝帘线，通过防止长丝的先前断裂并提高整个钢帘线的断裂强度，并提供使用该钢帘线的充气轮胎。 解决方案：通过将芯丝11与作为层扭曲结构的至少一层鞘细丝21进行捻合而形成双绞线结构钢丝帘线，形成一股，进一步以多股绞合为捻线， 扭绞结构由芯股1和至少一层护套股2组成，以形成一根钢丝帘线。 用于形成股线的长丝的拉伸强度被制成“在接近线股中心的层中的细丝的拉伸强度”≥“长丝细丝层的长丝的拉伸强度” ，用于形成钢丝帘线的股线的平均拉伸强度为“钢丝帘线中心附近的平均拉伸强度”，“远离钢中心的平均拉伸强度” 线”。 版权所有（C）2005，JPO＆NCIPI

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