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    PNEUMATIC TIRE
    2.
    发明授权
    PNEUMATIC TIRE 有权

    公开(公告)号：EP2708381B1

    公开(公告)日：2018-04-11

    申请号：EP12776195.5

    申请日：2012-04-26

    申请人： Bridgestone Corporation

    发明人： TAKAHASHI, Fumio

    IPC分类号： B60C3/04 ,  B60C15/024 ,  B60C9/02 ,  B60C9/28 ,  B60C13/00

    CPC分类号： B60C9/02 ,  B60C3/04 ,  B60C9/0292 ,  B60C9/28 ,  B60C13/004 ,  B60C2009/2067 ,  B60C2013/007 ,  B60C2200/06 ,  Y10T152/10855

    摘要： The present invention aims to provide a pneumatic tire with sufficiently reduced rolling resistance. The pneumatic tire according to the present invention including a carcass having a carcass main portion extending from a tread portion via a sidewall portion to a bead portion in a toroidal shape and locked on a bead core embedded in the bead portion, and a belt disposed on a crown portion outer peripheral side of the carcass, characterized in that, when mounted on an applicable rim and put under a predetermined internal pressure no-load condition, a minimum value R1 of a curvature radius of a tire width direction cross-section in a tire radial direction outer portion of the carcass main portion positioned on an tire radial direction outer side than a position where a distance measured from a tire radial direction inner end of the carcass outwardly in the tire radial direction becomes 1/2 of a carcass cross-sectional height is 0.6 times or less of a minimum value R2 of the curvature radius of the tire width direction cross-section of a portion that, in the tire radial direction inner portion of the carcass main portion positioned on the tire radial direction inner side than the tire radial direction outer portion, bulges out in the tire width direction.

    Pneumatic tire
    6.
    发明公开
    Pneumatic tire 有权
    LUFTREIFEN

    公开(公告)号：EP2599645A1

    公开(公告)日：2013-06-05

    申请号：EP12189138.6

    申请日：2012-10-18

    申请人： SUMITOMO RUBBER INDUSTRIES LIMITED

    发明人： Ito, Hiroshi ,  Miyazaki, Tatsuya

    IPC分类号： B60C1/00 ,  B60C9/04 ,  C08L7/00

    CPC分类号： B60C9/2009 ,  B60C9/005 ,  B60C2001/0083 ,  B60C2009/2064 ,  B60C2009/2067 ,  B60C2009/209 ,  B60C2009/2093 ,  B60C2009/2242 ,  C08K3/04 ,  C08K5/34922 ,  C08L21/00 ,  C08L61/06

    摘要： The present invention provides a pneumatic tire having a jointless band obtained by covering a cord having a cord breaking strength of 200 to 600 N and a degree of elongation at a tension of 66 N of 1.0 to 3.5 % with a rubber composition for band cord topping comprising a given amount of sulfur, a given amount of a predetermined carbon black, a given amount of at least one compound selected by the group consisting of resorcinol resin, modified resorcinol resin, cresol resin, modified cresol resin, phenol resin and modified phenol resin, and a given amount of at least one compound selected from the group consisting of a partial condensate of hexamethoxymethylolmelamine and a partial condensate of hexamethylolmelaminepentamethylether based on a given amount of a rubber component.

    摘要翻译： 本发明提供一种具有无缝带的充气轮胎，该充气轮胎具有帘线断裂强度为200〜600N，帘线断裂强度为66〜100％的伸长率为1.0〜3.5％ 包含给定量的硫，给定量的预定炭黑，给定量的至少一种选自间苯二酚树脂，改性间苯二酚树脂，甲酚树脂，改性甲酚树脂，酚醛树脂和改性酚醛树脂的化合物 和给定量的至少一种选自六甲氧基羟甲基三聚氰胺的部分缩合物和基于给定量的橡胶组分的六羟甲基蜜胺戊内酰醚的部分缩合物的化合物。

    PNEUMATIC RADIAL TIRE
    8.
    发明公开
    PNEUMATIC RADIAL TIRE 有权
    RADIALLUFTREIFEN

    公开(公告)号：EP2657046A4

    公开(公告)日：2016-07-27

    申请号：EP11850194

    申请日：2011-12-19

    申请人： BRIDGESTONE CORP

    发明人： NAKAMURA KEISUKE

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

    CPC分类号： B60C9/28 ,  B60C9/0007 ,  B60C9/0064 ,  B60C9/20 ,  B60C9/2006 ,  B60C2009/2067 ,  B60C2009/2077 ,  D07B1/0613

    摘要： Provide is a pneumatic radial tire having excellent durability and lightweight properties without compromising rigidity. A pneumatic radial tire comprises: a carcass composed of at least one carcass layer extending toroidally between a left-and-right pair of bead cores; a tread portion which is arranged on the outside in the tire radial direction of a crown region of the carcass to form a ground contacting portion; and a belt composed of two belt layers which is arranged between the tread portion and the crown region of the carcass to form a reinforcing portion. A reinforcing material constituting the belt layer is a bundle 6 formed by arranging two cords in pairs; and, letting the diameter of a filament 7 constituting the cord a (mm), the interval between the adjacent bundles 6 as an expected value is increased by a/4 (mm) or larger compared to the interval represented by using the circumcircle of the cord.

    摘要翻译： 提供一种充气子午线轮胎，具有优异的耐久性和轻质性，而不会影响刚性。 充气子午线轮胎包括：胎体，其由在左右一对胎圈芯之间环状延伸的至少一个胎体层构成; 胎体部，其布置在所述胎体的胎冠区域的轮胎径向的外侧上，以形成接地部; 以及由两个带束层组成的带，其布置在胎体的胎面部分和胎冠区域之间以形成增强部分。 构成带束层的增强材料是通过成对布置两根帘线形成的束6， 构成帘线的细丝7的直径为（mm）时，作为期望值的相邻束6之间的间隔比通过使用周边的外周表示的间隔增加了a / 4（mm）以上 线。

    PNEU RADIAL À STRUCTURE DE CEINTURE ALLÉGÉE
    9.
    发明公开
    PNEU RADIAL À STRUCTURE DE CEINTURE ALLÉGÉE 审中-公开
    PNEU RADIAL-STRUCTURE DE CEINTUREALLÉGÉE

    公开(公告)号：EP3027424A1

    公开(公告)日：2016-06-08

    申请号：EP14737231.2

    申请日：2014-07-08

    申请人： Compagnie Générale des Etablissements Michelin ,  MICHELIN Recherche et Technique S.A.

    发明人： ASTAIX, Camille ,  TADJOA, Odile ,  LARDJANE, Aurore

    IPC分类号： B60C9/00 ,  B60C9/20

    CPC分类号： B60C9/2009 ,  B60C9/0007 ,  B60C9/0042 ,  B60C9/0064 ,  B60C9/02 ,  B60C11/00 ,  B60C13/00 ,  B60C15/00 ,  B60C2009/0035 ,  B60C2009/0071 ,  B60C2009/2012 ,  B60C2009/2016 ,  B60C2009/2067 ,  B60C2009/2074 ,  B60C2009/2077 ,  B60C2009/2083 ,  Y02T10/862

    摘要： A radial tyre, in particular for a passenger vehicle or a van, having a lightweight belt structure (10) comprising a multilayer composite laminate (10a, 10b, 10c) having a specific construction, with a first layer (10a) of rubber (C1) reinforced with circumferential textile monofilaments (110) that are preferably made from a slightly heat-shrinking material, for example nylon or polyester, said first layer mounted radially (in direction Z) over two other layers (10b, 10c) of rubber (respectively C2, C3) reinforced with single wires (120, 130) made of high-strength steel; this multilayer composite laminate makes it possible to reduce the weight and rolling resistance of the tyres, without reducing drift rigidity and therefore road behaviour, while providing equal rolling strength.

    摘要翻译： 本发明涉及一种子午线轮胎，尤其是用于轿车或厢式货车的子午线轮胎，其具有包括具有特定结构的多层复合层压板（10a，10b，10c）的轻质带束结构（10），橡胶的第一层（10a） ），其由优选由稍微热收缩的材料（例如尼龙或聚酯）制成的圆周纺织单丝（110）增强，所述第一层径向（沿Z方向）安装在橡胶的两个其他层（10b，10c）上 C2，C3）用由高强度钢制成的单线（120,130）加强; 这种多层复合层压材料能够减小轮胎的重量和滚动阻力，同时不会降低漂移刚度并因此减少道路行为，同时提供相同的滚动强度。

    Two-wheeled vehicle tire
    10.
    发明公开
    Two-wheeled vehicle tire 审中-公开
    ReifenfürzweirädrigesFahrzeug

    公开(公告)号：EP2881263A1

    公开(公告)日：2015-06-10

    申请号：EP14169560.1

    申请日：2014-05-23

    申请人： SUMITOMO RUBBER INDUSTRIES, LTD.

    发明人： Okada, Takashi

    IPC分类号： B60C9/20 ,  B60C9/00 ,  B60C9/18

    CPC分类号： B60C9/20 ,  B60C2009/0078 ,  B60C2009/1871 ,  B60C2009/2064 ,  B60C2009/2067 ,  B60C2200/10

    摘要： A two-wheeled vehicle tire 2 includes: a belt 14 located inward of a tread 4 in a radial direction; and a rubber layer 16 located inward of the tread 4 in the radial direction. The belt 14 includes a first layer 14a and a second layer 14b located outward of the first layer 14a in the radial direction. Each of the first layer 14a and the second layer 14b includes a large number of cords 32 aligned with each other, and a topping rubber 34. The rubber layer 16 is located between the first layer 14a and the second layer 14b. A thickness of the rubber layer 16 on an equator plane is larger than a thickness of the rubber layer 16 at each outer end, in an axial direction, of the rubber layer 16.

    摘要翻译： 两轮车辆轮胎2包括：沿径向位于胎面4内侧的带14; 以及位于胎面4的径向内侧的橡胶层16。 带14包括在径向方向上位于第一层14a的外侧的第一层14a和第二层14b。 第一层14a和第二层14b中的每一个包括彼此对准的大量帘线32和顶部橡胶34.橡胶层16位于第一层14a和第二层14b之间。 橡胶层16在赤道面上的厚度大于橡胶层16在轴向的每个外端处的橡胶层16的厚度。