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    • 12. 发明申请
    • Tire
    • US20070000585A1
    • 2007-01-04
    • US11455091
    • 2006-06-19
    • Mamoru UchidaTakayuki HattoriTakao WadaTomoaki Hirayama
    • Mamoru UchidaTakayuki HattoriTakao WadaTomoaki Hirayama
    • B60C19/08
    • B60C19/08Y02T10/862
    • A tire improving electric conductivity and rolling resistance performance is provided. A tire wherein an inherent resistance value is at least 109 Ω·cm and the amount ratio of silica in a reinforcing filler is at least 70% by weight in a tread part, a sidewall part, a breaker part or a ply part, further having a conductive rubber layer together with the tire parts, wherein the conductive rubber layer is (a) a conductive rubber layer which contacts with a bead part and is continuously arranged to the ground contact surface of the tread part through between the sidewall part and the ply part, having an inherent resistance value of at most 108 Ω·cm and a thickness of 0.1 to 5 mm, or (b) a conductive rubber layer which contacts with a bead part and is continuously arranged between the sidewall part and the ply part and between the tread part and the breaker part or in the tread part, having an inherent resistance value of at most 108 Ω·cm and a thickness of 0.1 to 5 mm.
    • 提供了提高导电性和滚动阻力性能的轮胎。 一种其中固有电阻值至少为10Ω·cm的轮胎,并且增强填料中二氧化硅的量比在胎面部分,侧壁部分,断路器中至少为70重量% 还具有与轮胎部分一起具有导电橡胶层的部分或一部分,其中导电橡胶层是(a)与胎圈部接触并且连续地布置在胎面部的接地面上的导电橡胶层 通过侧壁部分和帘布层部分之间具有至多108Ω·cm的固有电阻值和0.1至5mm的厚度,或(b)与胎圈部分接触并且连续地布置在胎圈部分之间的导电橡胶层 侧壁部分和帘布层部分之间以及在胎面部分和断路器部分之间或在胎面部分中,其固有电阻值至多为10±0.8cm,厚度为0.1〜5mm 。
    • 15. 发明授权
    • Pneumatic tire having conductive layer and rubber cement layer
    • 具有导电层和橡胶胶层的气动轮胎
    • US09090133B2
    • 2015-07-28
    • US11713056
    • 2007-03-02
    • Mamoru UchidaTakao WadaTomoaki Hirayama
    • Mamoru UchidaTakao WadaTomoaki Hirayama
    • B60C19/08
    • B60C19/08B60C19/086Y02T10/862
    • The objective of the present invention is to provide a pneumatic tire that can desirably prevent generation of static electricity between the road face and the tire, while maintaining a low rolling resistance, so that the safety in use is further improved. In pneumatic tire of the present invention, each of tread rubber, breaker rubber and sidewall rubber that are respectively formed on a tread section, a breaker section and a sidewall section has a volume resistivity of 1×108 Ω·cm or more, with a conductive layer having a volume resistivity smaller than 1×108 Ω·cm and a thickness in a range from 0.2 to 2.0 mm being formed between a carcass ply forming the carcass and the sidewall rubber, and at least either conductive layer or a rubber cement layer that is formed so as to be made in contact with conductive layer and has a volume resistivity lower than that of the tread rubber is exposed to the surface of the tire.
    • 本发明的目的是提供一种能够期望地防止在路面和轮胎之间产生静电的充气轮胎,同时保持低滚动阻力,从而进一步提高使用中的安全性。 在本发明的充气轮胎中,分别形成在胎面部,断路器部和侧壁部的胎面橡胶,破碎橡胶和侧壁橡胶的体积电阻率为1×10 8Ω·cm以上,与 在形成胎体的胎体帘布层和侧壁橡胶之间形成体积电阻率小于1×10 8Ω·cm·cm,厚度为0.2〜2.0mm的导电层,并且至少导电层或橡胶 形成为与导电层接触并且具有比胎面橡胶的体积电阻率低的体积电阻率的水泥层暴露于轮胎的表面。
    • 16. 发明授权
    • Rubber composition for coating steel cord and tire using the same
    • 用于涂覆钢帘线和使用其的轮胎的橡胶组合物
    • US08304480B2
    • 2012-11-06
    • US11636521
    • 2006-12-11
    • Mamoru UchidaTakao WadaTomoaki Hirayama
    • Mamoru UchidaTakao WadaTomoaki Hirayama
    • C08K5/04
    • C08K5/098C08K3/22C08K5/548C08L21/00
    • A rubber composition for coating a steel cord, in which processability, durability and adhesive condition can be improved with favorable balance, and a tire using the rubber composition are provided. The rubber composition for coating a steel cord comprises 40 to 70 parts by weight of silica having a nitrogen adsorbing-specific surface area of 100 to 200 m2/g, 1 to 15 parts by weight of a silane coupling agent, 12 to 20 parts by weight of zinc oxide, 3.5 to 5 parts by weight of sulfur, and an organic cobalt in an amount of 0.05 to 0.3 part by weight, converted into metal cobalt amount, on the basis of 100 parts by weight of a rubber component, and a tire is prepared using the rubber composition.
    • 提供了一种用于涂覆钢帘线的橡胶组合物,其中可以改善加工性,耐久性和粘合性条件,并且平衡良好,并且提供了使用该橡胶组合物的轮胎。 用于涂覆钢帘线的橡胶组合物包含40〜70重量份的氮吸附比表面积为100〜200m 2 / g的二氧化硅,1〜15重量份的硅烷偶联剂,12〜20重量份 基于100重量份的橡胶组分,氧化锌的重量,3.5至5重量份的硫和0.05至0.3重量份的有机钴,转化为金属钴量,和 使用橡胶组合物制备轮胎。
    • 19. 发明申请
    • Rubber composition and tire using same
    • 橡胶组合物和轮胎使用相同
    • US20070299192A1
    • 2007-12-27
    • US11812001
    • 2007-06-14
    • Tomoaki HirayamaTakao Wada
    • Tomoaki HirayamaTakao Wada
    • B60C1/00C08K3/04
    • C08L7/00C08C19/06C08K3/36C08L3/04C08L15/00C08L2666/08
    • The present invention provides a rubber composition for a tire which makes it possible to consider an effect on environment, prepare for decrease in supply quantity of petroleum in future and improve weather resistance and rubber strength in good balance, and a tire prepared by using the rubber composition. The rubber composition of the present invention comprises not less than 20 parts by weight of a silica, not more than 5 parts by weight of a carbon black and 2 to 20 parts by weight of a turpentine soot and/or lamp black having an average particle diameter of not more than 1,000 nm, based on 100 parts by weight of a rubber component comprising a natural rubber and/or an epoxidized natural rubber, and a tire prepared by using the rubber composition.
    • 本发明提供一种轮胎用橡胶组合物,其可以考虑对环境的影响,为了将来减少石油供给量的准备,良好的平衡提高耐候性和橡胶强度,通过使用橡胶 组成。 本发明的橡胶组合物包含不少于20重量份的二氧化硅,不超过5重量份的炭黑和2至20重量份的具有平均颗粒的松节油烟和/或灯黑 基于100重量份的包含天然橡胶和/或环氧化天然橡胶的橡胶组分和通过使用该橡胶组合物制备的轮胎的直径不大于1000nm。
    • 20. 发明申请
    • Rubber composition for side wall
    • 侧壁橡胶组合物
    • US20070049670A1
    • 2007-03-01
    • US11502483
    • 2006-08-11
    • Takao WadaMamoru UchidaTomoaki Hirayama
    • Takao WadaMamoru UchidaTomoaki Hirayama
    • B60C1/00
    • C08L9/06B60C1/0025C08C19/06C08K3/36C08K5/5419C08L7/00C08L9/00C08L15/00C08L21/00C08L2666/08
    • There is provided a rubber composition for a side wall, wherein an amount ratio of resources other than petroleum are increased so as to be ecological and take measures for the decrease in supply of petroleum in the future, which further has excellent flex crack resistance and strength. A rubber composition for a side wall comprising 20 to 60 parts by weight of silica based on 100 parts by weight of a rubber component comprising 40 to 80 % by weight of a natural rubber and 60 to 20 % by weight of at least one rubber selected from the group consisting of a butadiene rubber, a styrene-butadiene rubber and an epoxidized natural rubber, and 4 to 16 parts by weight of a silane compound represented by the following formula: Xn—Si—Y4-n(wherein X represents an ethoxy group or a methoxy group, and Y represents a phenyl group or an alkyl group) based on 100 parts by weight of silica.
    • 提供了一种用于侧壁的橡胶组合物,其中石油以外的资源的量比例增加,从而是生态的,并且将来采取降低石油供应的措施,其进一步具有优异的抗开裂性和强度 。 一种用于侧壁的橡胶组合物,其包含基于100重量份的包含40至80重量%的天然橡胶和60至20重量%的至少一种橡胶的橡胶组分的20至60重量份的二氧化硅 来自由丁二烯橡胶,苯乙烯 - 丁二烯橡胶和环氧化天然橡胶组成的组,以及4〜16重量份由下式表示的硅烷化合物:&lt;线内配方说明=“在线 公式“end =”lead“?> X -Si-Y 4-n <?in-line-formula description =”In-line Formulas“end =” (式中,X表示乙氧基或甲氧基,Y表示苯基或烷基),相对于100重量份二氧化硅。