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    Steel cord having flat side surface portion, method of manufacturing same, and pneumatic tire reinforced with same
    2.
    发明授权
    Steel cord having flat side surface portion, method of manufacturing same, and pneumatic tire reinforced with same 失效
    具有平坦侧表面部分的钢丝帘线，其制造方法和用其加强的充气轮胎

    公开(公告)号：US06425428B1

    公开(公告)日：2002-07-30

    申请号：US09509338

    申请日：2000-03-24

    申请人： Shuichi Onuma ,  Naohiko Obana ,  Noboru Kusaba

    发明人： Shuichi Onuma ,  Naohiko Obana ,  Noboru Kusaba

    IPC分类号： B60C900

    CPC分类号： D07B1/062 ,  B60C9/0007 ,  B60C9/2006 ,  D07B7/025 ,  D07B2201/2016 ,  D07B2201/2023 ,  Y10S57/902

    摘要： Steel cord is manufactured by: forming a plurality of bends, per filament length equivalent to one twist pitch, on each of filaments which constitute an outer layer sheath, with the filament length equivalent to one twist pitch being a cycle; twisting these filaments while the bends belonging to the same phase are aligned in a cord axial direction; and subjecting cord side surfaces to compression processing. As a result, flat side surface portions are formed, in which a plurality of filaments forming the outer layer sheath are positioned substantially in the same plane. The steel cord thus formed is used in reinforcement plies for pneumatic radial tires such that the reinforcement plies are laminated in a manner in which the flat side surface portions are mutually parallel.

    摘要翻译： 钢帘线通过以下方式制造：在构成外层护套的每根长丝上形成多个相当于一个扭曲节距的长丝的弯曲部，其长度等于一个扭曲节距为一个周期; 扭转这些细丝，同时属于相同相的弯曲部沿着芯线轴向排列; 并对帘线侧表面进行压缩加工。 结果，形成平坦的侧表面部分，其中形成外层护套的多根长丝基本位于同一平面内。 这样形成的钢丝帘线用于充气子午线轮胎的加强层中，使得加强帘布层以平坦的侧表面部分相互平行的方式层压。

    Steel cords for the reinforcement of rubber articles having a wrapping cord
    3.
    发明授权
    Steel cords for the reinforcement of rubber articles having a wrapping cord 失效
    用于加强具有包裹线的橡胶制品的钢丝绳

    公开(公告)号：US5709073A

    公开(公告)日：1998-01-20

    申请号：US713642

    申请日：1996-09-13

    申请人： Shuichi Onuma ,  Naohiko Obana ,  Kazuto Fujita ,  Motonori Bundo

    发明人： Shuichi Onuma ,  Naohiko Obana ,  Kazuto Fujita ,  Motonori Bundo

    IPC分类号： B60C9/00 ,  D07B1/06 ,  D02G3/36

    CPC分类号： D07B1/0613 ,  D07B1/062 ,  D07B2201/2022 ,  D07B2201/2023 ,  Y10S57/902

    摘要： A steel cord for the reinforcement of rubber articles exhibits largely different bending rigidities in two crossing directions at section of the cord and comprises a bundle of plural strands each being obtained by twisting 3 or more steel filaments and a wrapping filament helically wound around the bundle. The steel filaments have a twisting pitch in the range of 3.0 to 30.0 mm. A single wrapping filament is helically wound around the bundle at a twisting pitch of 2.0-15 mm. Various cord structures may be used, for example, 1.times.3, 1.times.5, 2+6 and 3.times.4.

    摘要翻译： 用于加强橡胶制品的钢帘线在帘线的截面处在两个交叉方向上显示出大体上不同的弯曲刚度，并且包括通过扭绞3根或更多根钢丝而被缠绕的多束绞线，以及缠绕在束上的缠绕丝。 钢丝的捻距在3.0〜30.0mm的范围内。 单个缠绕细丝以2.0-15mm的扭曲间距螺旋缠绕在束上。 可以使用各种线结构，例如1x3,1.55,2 + 6和3x4。

    Aircraft Pneumatic Tire
    5.
    发明申请
    Aircraft Pneumatic Tire 失效
    飞机气动轮胎

    公开(公告)号：US20070261773A1

    公开(公告)日：2007-11-15

    申请号：US10588946

    申请日：2005-02-08

    申请人： Shuichi Onuma ,  Toru Suzuki

    发明人： Shuichi Onuma ,  Toru Suzuki

    IPC分类号： B60C5/00

    CPC分类号： B60C11/00 ,  B60C11/005 ,  B60C11/0075 ,  B60C2200/02

    摘要： An aircraft pneumatic tire that has deeper grooves without causing deterioration in the heat resistance of a top tread and thereby can increase the number of landings per tread is provided. At least part of a top tread 2 in the width direction of the tire has a two-layer structure consisting of a base tread layer 11 and a cap tread layer 12 stacked in the radial outward direction in this order. At least one circumferential groove 4a to 4d is provided in the surface of the top tread 2. The base tread layer 11 and the cap tread layer 12 satisfy the relationships expressed by the following formulas (1) and (2): 1.05

    摘要翻译： 一种飞机充气轮胎，其具有较深的凹槽，而不会导致顶部胎面的耐热性降低，从而可以增加每个胎面的着陆数量。 轮胎宽度方向上的胎面胎面2的至少一部分具有按照这样的顺序沿径向向外的方向堆叠的基底胎面层11和胎面覆盖层12构成的两层结构。 在胎面2的表面设置有至少一个周向沟槽4a至4d。基底胎面层11和胎面花纹层12满足由下式（1）和（2）表示的关系： in-line-formula description =“In-line Formulas”end =“lead”？> 1.05 / M（50） （1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line formula”end =“lead”？> 1.04 （其中M（ M）（50）＆lt; b＆gt;和M（50）c分别表示基础胎面橡胶和胎面橡胶的50％模量，R b 和R c c分别表示基础胎面橡胶和胎面胎面橡胶的弹性）。

    Aircraft pneumatic tire having cap tread layer and base tread layer
    6.
    发明授权
    Aircraft pneumatic tire having cap tread layer and base tread layer 失效
    飞机充气轮胎具有胎面花纹层和基底胎面层

    公开(公告)号：US07934526B2

    公开(公告)日：2011-05-03

    申请号：US10588946

    申请日：2005-02-08

    申请人： Shuichi Onuma ,  Toru Suzuki

    发明人： Shuichi Onuma ,  Toru Suzuki

    IPC分类号： B60C1/00 ,  B60C11/00

    CPC分类号： B60C11/00 ,  B60C11/005 ,  B60C11/0075 ,  B60C2200/02

    摘要： An aircraft pneumatic tire that has deeper grooves without causing deterioration in the heat resistance of a top tread and thereby can increase the number of landings per tread is provided.At least part of a top tread 2 in the width direction of the tire has a two-layer structure consisting of a base tread layer 11 and a cap tread layer 12 stacked in the radial outward direction in this order. At least one circumferential groove 4a to 4d is provided in the surface of the top tread 2. The base tread layer 11 and the cap tread layer 12 satisfy the relationships expressed by the following formulas (1) and (2): 1.05

    摘要翻译： 一种飞机充气轮胎，其具有较深的凹槽，而不会导致顶部胎面的耐热性降低，从而可以增加每个胎面的着陆数量。 轮胎宽度方向上的胎面胎面2的至少一部分具有按照这样的顺序沿径向向外的方向堆叠的基底胎面层11和胎面覆盖层12构成的两层结构。 至少一个圆周槽4a至4d设置在顶部胎面2的表面中。基底胎面层11和胎面花纹层12满足由下式（1）和（2）表示的关系：1.05