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    • 2. 发明申请
    • PNEUMATIC TIRE
    • 气动轮胎
    • US20080295944A1
    • 2008-12-04
    • US12129830
    • 2008-05-30
    • Makoto Ozaki
    • Makoto Ozaki
    • B60C9/18
    • B60C9/2009
    • Provided is a pneumatic tire improved in a performance against the flat spot with a high-speed durability desirably maintained. The pneumatic tire of the present invention includes: a belt reinforcing layer which is disposed on an outer circumferential side of a belt layer buried in a tread portion, and which is composed of an organic fiber cord wound in a circumferential direction of the tire. At least 60% of the total count of the organic fiber cord composing the belt reinforcing layer is a polytetramethylene adipamide fiber cord. The creep set strain of the polytetramethylene adipamide fiber cord is 2.5% or less. The twist coefficient K of the polytetramethylene adipamide fiber cord satisfies a condition of 600≦K≦1700, and is represented by the following formula (1): K=T×√{square root over ( )}D   (1) where T is the twist number (turn/10 cm) of the cord, and D is the total fineness (dtex) of the cord.
    • 本发明提供一种充分提高耐高温耐久性的平坦点的性能的充气轮胎。 本发明的充气轮胎包括:带束层加强层,其设置在埋设在胎面部的带束层的外周侧,由沿轮胎周向缠绕的有机纤维帘线构成。 构成带束层增强层的有机纤维帘线总计的至少60%是聚四亚甲基己二酰胺纤维帘线。 聚四亚甲基己二酰胺纤维帘线的蠕变集合应变为2.5%以下。 聚四亚甲基己二酰二胺纤维帘线的扭曲系数K满足600≤K≤1700的条件,由下式(1)表示:<?in-line-formula description =“In-line formula”end = “lead”?> K =Tx√{square root over()} D(1)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中T是捻数 / 10cm),D是帘线的总细度(dtex)。
    • 4. 发明授权
    • Pneumatic radial tire
    • 气动子午线轮胎
    • US08376009B2
    • 2013-02-19
    • US12266242
    • 2008-11-06
    • Shinya HarikaeMakoto Ozaki
    • Shinya HarikaeMakoto Ozaki
    • B60C9/18B60C9/22
    • B60C9/2204B60C9/005B60C2009/2214D02G3/48D10B2331/02Y10T152/10765
    • Disclosed is a pneumatic radial tire having improved flat spot resistance without sacrificing its high-speed durability, when a belt auxiliary reinforcement layer thereof is constituted of a hybrid fiber cord including a general-purpose nylon as a low-elastic fiber yarn. In the pneumatic radial tire, the belt auxiliary reinforcement layer is formed by winding an organic fiber cord around the outer periphery of belt layers in the tire circumferential direction. The organic fiber cord constituting the belt auxiliary reinforcement layer is obtained by twisting a highly-elastic fiber yarn with an elastic modulus of 10000 MPa or more and a low-elastic fiber yarn made of nylon 46.
    • 公开了一种充气子午线轮胎,其带状辅助加强层由包含通用尼龙作为低弹性纤维纱线的混合纤维帘线构成,而不牺牲其高速耐久性而具有改进的平坦点阻力。 在充气子午线轮胎中,带辅助加强层通过在轮胎周向上绕带束层的外周缠绕有机纤维帘线而形成。 构成带辅助加强层的有机纤维帘线通过扭转弹性模量为10000MPa以上的高弹性纤维纱和由尼龙46制成的低弹性纤维纱而获得。
    • 5. 发明申请
    • PNEUMATIC RADIAL TIRE
    • 气动辐射轮胎
    • US20090139625A1
    • 2009-06-04
    • US12266242
    • 2008-11-06
    • Shinya HarikaeMakoto Ozaki
    • Shinya HarikaeMakoto Ozaki
    • B60C9/18
    • B60C9/2204B60C9/005B60C2009/2214D02G3/48D10B2331/02Y10T152/10765
    • Disclosed is a pneumatic radial tire having improved flat spot resistance without sacrificing its high-speed durability, when a belt auxiliary reinforcement layer thereof is constituted of a hybrid fiber cord including a general-purpose nylon as a low-elastic fiber yarn. In the pneumatic radial tire, the belt auxiliary reinforcement layer is formed by winding an organic fiber cord around the outer periphery of belt layers in the tire circumferential direction. The organic fiber cord constituting the belt auxiliary reinforcement layer is obtained by twisting a highly-elastic fiber yarn with an elastic modulus of 10000 MPa or more and a low-elastic fiber yarn made of nylon 46.
    • 公开了一种充气子午线轮胎,其带状辅助加强层由包含通用尼龙作为低弹性纤维纱线的混合纤维帘线构成,而不牺牲其高速耐久性而具有改进的平坦点阻力。 在充气子午线轮胎中,带辅助加强层通过在轮胎周向上绕带束层的外周缠绕有机纤维帘线而形成。 构成带辅助加强层的有机纤维帘线通过扭转弹性模量为10000MPa以上的高弹性纤维纱和由尼龙46制成的低弹性纤维纱而获得。
    • 6. 发明授权
    • Bent pipe for passing therethrough a material containing solids
    • 用于穿过其中含有固体的材料的弯管
    • US06406800B1
    • 2002-06-18
    • US09521665
    • 2000-03-08
    • Makoto OzakiDaisuke Minohara
    • Makoto OzakiDaisuke Minohara
    • B32B1518
    • B22D11/0405Y10S164/03Y10S428/926Y10T428/12958Y10T428/12972
    • A bent pipe for use in piping arrangement for transporting materials conaining solids, the bent pipe being prepared by subjecting to high-frequency bending work a straight blank pipe prepared by centrifugal casting and having a plurality of layers. The straight blank pipe comprises an outer layer made of a steel having high weldability, and an inner layer made of a high Cr cast iron containing at least Cr in an amount of 10 to 35 wt. % and having high wear resistance, the outer layer and the inner layer being metallurgically joined. Preferably, a barrier layer is provided between the outer layer and the inner layer for preventing an alloy component in each of the layers from diffusing into the other layer. The barrier layer is preferably about 10 to about 100 &mgr;m in thickness.
    • 一种用于输送固体物质的管道装置的弯曲管道,该弯管通过高频弯曲加工制成,该直管坯通过离心铸造制备并具有多层。 直坯管包括由具有高焊接性的钢制成的外层,以及由至少含有10〜35重量%的Cr的高Cr铸铁制成的内层。 %且具有高耐磨性,外层和内层冶金接合。 优选地,在外层和内层之间设置阻挡层,以防止每层中的合金组分扩散到另一层中。 阻挡层的厚度优选为约10至约100μm。