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    STEEL CORD FOR REINFORCING RUBBER ARTICLE
    1.
    发明申请
    STEEL CORD FOR REINFORCING RUBBER ARTICLE 审中-公开

    公开(公告)号：US20170211229A1

    公开(公告)日：2017-07-27

    申请号：US15328962

    申请日：2015-07-28

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Yusuke NOZAKI

    IPC: D07B1/06 ,  B60C9/00

    CPC classification number: D07B1/0626 ,  B60C9/00 ,  B60C9/0007 ,  D07B1/06 ,  D07B1/0613 ,  D07B2201/2006 ,  D07B2201/202 ,  D07B2201/2051 ,  D07B2201/2061 ,  D07B2801/24

    Abstract: Provided is a steel cord for reinforcing a rubber article which can further improve cut resistance when applied to a tire while maintaining the amount of steel to be used. A steel cord for reinforcing a rubber article comprising: one core strand 11 having a two-layered layered-twisted structure formed by twisting a plurality of steel filaments 1; and a plurality of sheath strands 12 having a layered-twisted structure formed by twisting a plurality of steel filaments 2, wherein the sheath strands are twisted around the core strand. A ratio dc/ds of a diameter dc of a sheath filament constituting the sheath of the core strand to a diameter ds of an outermost layer sheath filament constituting the outermost layer sheath of the sheath strand is more than 1.25 and not more than 1.50.

    Steel cord for reinforcing rubber article and pneumatic tire
    2.
    发明授权
    Steel cord for reinforcing rubber article and pneumatic tire 有权
    用于加强橡胶制品和充气轮胎的钢丝绳

    公开(公告)号：US08601782B2

    公开(公告)日：2013-12-10

    申请号：US13127925

    申请日：2009-11-13

    Applicant: Keisuke Nakamura

    Inventor： Keisuke Nakamura

    IPC: D02G3/48

    CPC classification number: D07B1/0613 ,  B60C9/0007 ,  D07B1/0626 ,  D07B1/0633 ,  D07B2201/102 ,  D07B2201/1044 ,  D07B2201/202 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/2051 ,  D07B2201/2061 ,  D07B2201/2097 ,  D07B2205/3057 ,  D07B2501/2046 ,  D07B2801/24 ,  D07B2801/12 ,  D07B2801/10

    Abstract: A steel cord for reinforcing a rubber article has a multi-twisted structure formed by twisting a plurality of sheath strands (2) formed by twisting a plurality of wires around a core strand (1) formed by twisting a plurality of wires, and the core strand (1) and the sheath strands (2) include at least a 2-layer-twisted structure formed by twisting core wires and sheath wires respectively. The relationship represented by the following formula 1.8≦[(S·cos2α)/{r·(φ1+φ2)}]×100≦4.2 is satisfied, wherein φ1: the diameter of an outermost wire of the strand (1), φ2: the diameter of an outermost wire of the strand (2), r: the center distance between the strand (1) and the strand (2), S: the cross section of the strand (2), and α: the twist angle of the strand (2).

    Abstract translation: 用于加强橡胶制品的钢丝帘线具有多股扭转结构，该多股扭绞结构是通过扭绞多条鞘股线（2）而形成的，所述多股护套股线（2）是通过扭绞多条金属线而形成的芯股线（1） 股线（1）和鞘股线（2）至少包括通过分别扭绞芯线和护套线形成的至少2层扭曲结构。 满足以下公式1.8 @ [（S·cos2alpha）/ {r·（phi1 + phi2）}]×100@4.2表示的关系，其中，phi1：股线（1）的最外线的直径，phi2 ：股线（2）的最外线的直径r：股线（1）和股线（2）之间的中心距离，S：股线（2）的横截面，α：扭转角 的链（2）。

    Steel Cord, Rubber-Steel Cord Composite and Tire
    3.
    发明申请
    Steel Cord, Rubber-Steel Cord Composite and Tire 审中-公开
    钢丝绳，橡胶钢丝绳复合轮胎

    公开(公告)号：US20090000717A1

    公开(公告)日：2009-01-01

    申请号：US12279219

    申请日：2007-02-07

    Applicant: Kiyoshi Ikehara

    Inventor： Kiyoshi Ikehara

    IPC: B60C9/00

    CPC classification number: B60C9/22 ,  B60C9/0007 ,  B60C9/2006 ,  D07B1/0613 ,  D07B1/0626 ,  D07B1/0633 ,  D07B2201/1004 ,  D07B2201/1032 ,  D07B2201/1044 ,  D07B2201/1076 ,  D07B2201/202 ,  D07B2201/2021 ,  D07B2201/2023 ,  D07B2201/2024 ,  D07B2201/204 ,  D07B2201/2059 ,  D07B2401/208 ,  D07B2501/2046 ,  D07B2801/12

    Abstract: A steel cord that is especially useful for reinforcing a crown portion of a tire is provided. In particular, a steel cord free from manufacturing problems existed in the conventional art and allowing for stable quality and good production efficiency is provided, and a rubber-steel cord composite and a tire that are equipped with the same are provided.A steel cord has a multiple-twist structure including N (N=2 to 8) strands 2 that are twisted together, each strand 2 having a plurality of wires 1 that are twisted together. When the diameter of each strand is denoted by d (mm), the diameter of a circle circumscribing the cord is denoted by D (mm), and the twisting pitch of the cord is denoted by P (mm), εc defined by the following expression, εc=√(−b/2+√(b2/4−c))−1 (where b denotes −1+π2(−4R2+d2)/P2, c denotes π2d2k(4π2R2+P2)/P4, R denotes (D−d)/2, and k denotes tan2(π/2−π/N)), satisfies εc≧0.005.

    Abstract translation: 提供了特别可用于加强轮胎胎冠部分的钢丝帘线。 特别地，在传统技术中存在无制造问题的钢丝帘线，并且提供了稳定的质量和良好的生产效率，并且提供了装备有它们的橡胶 - 钢帘线复合材料和轮胎。 钢丝帘线具有扭绞在一起的N（N = 2〜8）股2的多捻结构，每股2具有多个捻合在一起的线1。 当每条线的直径用d（mm）表示时，用绳索表示的圆的直径由D（mm）表示，绳的扭转间距用P（mm）表示，ε由下式定义 表达式，epsilonc =√（-b / 2 +√（b2 / 4-c））-1（其中b表示-1 + pi2（-4R2 + d2）/ P2，c表示pi2d2k（4pi2R2 + P2）/ P4， R表示（Dd）/ 2，k表示tan2（pi / 2-pi / N）），满足ε= 0.005。

    STEEL CORD AND ELASTIC CRAWLER USING SAME
    5.
    发明申请
    STEEL CORD AND ELASTIC CRAWLER USING SAME 审中-公开
    使用相同的钢丝绳和弹性克隆

    公开(公告)号：US20150368859A1

    公开(公告)日：2015-12-24

    申请号：US14764672

    申请日：2014-02-03

    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD. ,  TOKUSEN KOGYO CO., LTD.

    Inventor： Akihiro NISHIMURA ,  Satoshi YOSHIDA

    IPC: D07B1/06 ,  B62D55/24

    CPC classification number: D07B1/0693 ,  B62D55/244 ,  D07B1/0613 ,  D07B1/062 ,  D07B1/0626 ,  D07B2201/1076 ,  D07B2201/2006 ,  D07B2201/202 ,  D07B2201/2029 ,  D07B2201/2051 ,  D07B2201/2061 ,  D07B2201/2068 ,  D07B2801/24 ,  D07B2801/14

    Abstract: A steel cord is configured so that, when the steel cord is used as a tensile cord for an elastic crawler, a center-core dislocation and the early breakage of the wires of a core are prevented. A steel cord comprises: a core which comprises a single core strand, and a sheath which is formed by twisting together six sheath strands arranged around the core. The core strand has a layer-twisted structure comprising: a center-core portion which is formed by twisting three core wires together; and an external layer portion which is formed by twisting together eight to nine core wires arranged around the center-core portion. The sheath strands each have either a bundle twisted structure which is formed by twisting twelve to nineteen sheath wires or a multi-layer twisted structure which is formed by twisting twelve to nineteen sheath wires in layers. The diameter (dc) of the core wires is greater than the diameter (ds) of the sheath wi res. The average gap (Gc) between the core wi res of the external layer portion is 0.015 mm or greater, and the average gap (Gs) between the sheath strands is 0.1 mm or greater.

    Abstract translation: 钢帘线被配置为使得当钢帘线用作弹性履带的拉伸绳时，可防止芯的中心位错和芯的线的早期断裂。 钢丝帘线包括：包括单股股线的芯和通过将布置在芯周围的六根鞘股线绞合在一起形成的护套。 芯线具有层状扭曲结构，包括：通过将三根芯线绞合在一起而形成的中心部分; 以及通过将排列在中心部分周围的8〜9根芯线绞合而形成的外层部。 护套线束均具有通过扭曲十二至十九个鞘线而形成的束扭转结构，或者是通过将十二至十九个护套线层叠形成的多层扭曲结构。 芯线的直径（dc）大于护套的直径（ds）。 外层部的纤芯间的平均间隙（Gc）为0.015mm以上，鞘股之间的平均间隙（Gs）为0.1mm以上。

    Open multi-strand cord
    6.
    发明授权
    Open multi-strand cord 有权
    打开多股绳

    公开(公告)号：US08899007B2

    公开(公告)日：2014-12-02

    申请号：US13510465

    申请日：2010-10-28

    Applicant: Zhichao Cheng ,  Pengfei Wang ,  Huanjiong Pang

    Inventor： Zhichao Cheng ,  Pengfei Wang ,  Huanjiong Pang

    IPC: D07B1/06

    CPC classification number: D07B1/0613 ,  D07B1/0626 ,  D07B1/0633 ,  D07B2201/102 ,  D07B2201/1064 ,  D07B2201/202 ,  D07B2201/2023 ,  D07B2201/2031 ,  D07B2201/2032 ,  D07B2201/204 ,  D07B2201/2051 ,  D07B2401/208 ,  D07B2501/2046 ,  Y10T428/2936 ,  D07B2801/24

    Abstract: A steel cord (10) adapted for the reinforcement of rubber products, comprises a core strand (12) and six peripheral strands (14) concentrically surrounding the core strand (12). Each of the core and peripheral strands (12, 14) comprises a center of two or more center filaments (16) and two layers of filaments surrounding the center. The core strand (12) has a diameter D1 which is greater than the diameter D2 of the peripheral strands (14). All the filaments (18, 20) of each layer have substantially the same diameter and a radially outer layer has a twist angle which is greater than a twist angle of a radially inner layer of the same strand. Each of the strands (12, 14) in the cord is composed of no more than twenty-six filaments (16, 18, 20) being twisted together.

    Abstract translation: 适于加强橡胶产品的钢丝绳（10）包括芯股线（12）和同心地围绕所述芯股线（12）的六个周向股线（14）。 芯和外围股线（12,14）中的每一个包括两个或更多个中心细丝（16）的中心和围绕中心的两层细丝。 芯股线（12）的直径D1大于外围股线（14）的直径D2。 每个层的所有细丝（18,20）具有基本上相同的直径，并且径向外层具有大于同一股线的径向内层的扭转角的扭曲角。 帘线中的每个股线（12,14）由不超过二十六根丝（16,18,20）扭曲在一起组成。

    OPEN MULTI-STRAND CORD
    7.
    发明申请
    OPEN MULTI-STRAND CORD 有权
    打开多条绳

    公开(公告)号：US20120227885A1

    公开(公告)日：2012-09-13

    申请号：US13510465

    申请日：2010-10-28

    Applicant: Zhichao Cheng ,  Pengfei Wang ,  Huanjiong Pang

    Inventor： Zhichao Cheng ,  Pengfei Wang ,  Huanjiong Pang

    IPC: B32B15/02 ,  B32B15/18 ,  B60C9/00

    CPC classification number: D07B1/0613 ,  D07B1/0626 ,  D07B1/0633 ,  D07B2201/102 ,  D07B2201/1064 ,  D07B2201/202 ,  D07B2201/2023 ,  D07B2201/2031 ,  D07B2201/2032 ,  D07B2201/204 ,  D07B2201/2051 ,  D07B2401/208 ,  D07B2501/2046 ,  Y10T428/2936 ,  D07B2801/24

    Abstract: A steel cord (10) adapted for the reinforcement of rubber products, comprises a core strand (12) and six peripheral strands (14) concentrically surrounding the core strand (12). Each of the core and peripheral strands (12, 14) comprises a centre of two or more centre filaments (16) and two layers of filaments surrounding the centre. The core strand (12) has a diameter D1 which is greater than the diameter D2 of the peripheral strands (14). All the filaments (18, of each layer have substantially the same diameter and a radially outer layer has a twist angle which is greater than a twist angle of a radially inner layer of the same strand. Each of the strands (12, 14) in the cord is composed of no more than twenty-six filaments (16, 18, 20) being twisted together.

    Abstract translation: 适于加强橡胶产品的钢丝绳（10）包括芯股线（12）和同心地围绕所述芯股线（12）的六个周向股线（14）。 芯和外围股线（12,14）中的每一个包括两个或更多个中心细丝（16）的中心和围绕中心的两层细丝。 芯股线（12）的直径D1大于外围股线（14）的直径D2。 每层的所有长丝（18）具有基本上相同的直径，并且径向外层的扭转角大于同一股线的径向内层的扭转角。每根股线（12,14） 电线由不超过二十六根丝（16,18,20）扭曲在一起组成。

    Pneumatic tire with specified steel belt cord
    8.
    发明授权
    Pneumatic tire with specified steel belt cord 失效
    带特殊钢带绳的气动轮胎

    公开(公告)号：US06321810B1

    公开(公告)日：2001-11-27

    申请号：US08892567

    申请日：1997-07-14

    Applicant: Kouzi Takahira

    Inventor： Kouzi Takahira

    IPC: B60C900

    CPC classification number: D07B1/062 ,  B60C9/0007 ,  B60C9/2006 ,  D07B1/0646 ,  D07B2201/202 ,  D07B2201/2022 ,  D07B2201/2023 ,  D07B2201/2029 ,  D07B2201/2037 ,  Y10S57/902

    Abstract: In the pneumatic tire of this invention, at least the outermost one of a plurality of rubber layers between the carcass and tread has been reinforced with a plurality of steel cords. Each of these steel cords is a single-strand steel cord with an elongation at break of not less than 4% and at least one of its component wires does not form a common circumcircle with the remaining wires. The curve circumscribing the cross-sections of the constituent wires of each steel cord is not a true circle. Furthermore, a high resistance to nail penetration is assured by arranging the steel cords in such a manner that, for a large majority of steel cords, the direction of maximum offset span of the circumscribing curve is substantially coincidental with the width direction of the outermost layer of rubber.

    Abstract translation: 在本发明的充气轮胎中，至少在胎体和胎面之间的多个橡胶层中的最外面的一个橡胶层已被多个钢丝绳加固。 这些钢丝帘线是单股钢丝帘线，其断裂伸长率不小于4％，并且其部件线中的至少一根不与剩余的线形成常见的外接圆。 围绕每条钢丝绳的构成线的横截面的曲线不是真正的圆。 此外，通过以这样的方式布置钢丝帘线来确保高度的钉钉穿透性，使得对于大多数钢丝绳，外接曲线的最大偏移距离的方向与最外层的宽度方向基本上一致 的橡胶。

    Pneumatic tire
    9.
    发明申请
    Pneumatic tire 失效
    气动轮胎

    公开(公告)号：US20010027836A1

    公开(公告)日：2001-10-11

    申请号：US09784042

    申请日：2001-02-16

    Inventor： Shinichi Miyazaki ,  Kazumi Yamazaki ,  Osamu Toda ,  Yasuo Sakai

    IPC: B60C005/00

    CPC classification number: D07B1/0646 ,  B60C9/0007 ,  B60C9/0057 ,  B60C9/2006 ,  D07B1/0613 ,  D07B2201/104 ,  D07B2201/1064 ,  D07B2201/202 ,  D07B2201/2022 ,  D07B2201/2023 ,  D07B2201/2036 ,  D07B2201/2039 ,  D07B2501/2046 ,  Y10S57/902 ,  Y10T152/10495 ,  Y10T152/10765

    Abstract: A pneumatic tire comprises a tread reinforcing belt made of metallic cords, each of the metallic cords is made up of six to twelve metallic filaments whose diameter is not less than 0.15 mm but less than 0.25 mm, the six to twelve metallic filaments are grouped into a plurality of bunches each including two to four filaments, the filaments of each bunch are twisted together at a first twisting pitch, the bunches are twisted together into the cord at a final twist pitch Pc of from 10 to 40 mm, the first twisting pitch is more than the final twist pitch, and the bunches each include at least one waved filament which is two-dimensionally waved at wave pitches Pw in a range of from 5 to 30 times the diameter (d) of the filament and a wave height (h) in a range of from 0.2 to 3.0 times the diameter (d).

    Abstract translation: 一种充气轮胎包括由金属帘线制成的胎面加强带，每个金属帘线由直径不小于0.15mm但小于0.25mm的六至十二根金属丝构成，六至十二根金属丝被分组成 每束包括2至4个长丝的多个束，每束的长丝以第一扭转间距绞合在一起，所述束以10至40mm的最终捻距Pc扭绞在一起，第一捻距 大于最终扭曲节距，并且束束各自包括至少一个波浪长丝，其以波长Pw在波长的直径（d）的5至30倍的范围内二维波动，并且波高（ h）在直径（d）的0.2至3.0倍的范围内。

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