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    • 37. 发明申请
    • Rubber composition for coating steel cord and tire having belt using same
    • 用于涂覆钢帘线的橡胶组合物和具有使用它的带的轮胎
    • US20080153961A1
    • 2008-06-26
    • US11987096
    • 2007-11-27
    • Mamoru Uchida
    • Mamoru Uchida
    • C08L21/00C08K3/38
    • C08K5/56B60C9/2006C08K3/38C08K5/098C08K5/548Y02T10/862C08L21/00
    • The present invention provides a rubber composition for coating a steel cord, use of which makes it possible to consider an effect on environment, prepare for the future decrease in supply of petroleum resources, suppress generation of air bubbles, reduce rolling resistance, and improve processability, roll workability, adhesion to a steel cord and durability with favorable balance, as compared with a rubber composition for coating a steel cord comprising raw materials derived from petroleum resources as main components, and provides a tire having a belt prepared by using the rubber composition. The rubber composition for coating a steel cord comprises 40 to 80 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 and 0.5 to 3 parts by weight of potassium borate, on the basis of 100 parts by weight of a diene rubber component, and the tire is prepared using the rubber composition.
    • 本发明提供一种用于涂覆钢帘线的橡胶组合物,其用途可以考虑对环境的影响,为今后石油资源供应的减少做准备,抑制气泡产生,降低滚动阻力,提高加工性 ,辊加工性,与钢帘线的粘合性以及平衡性的耐久性与用于涂覆来自石油资源的原料的钢帘线用橡胶组合物作为主要成分相比,提供具有通过使用橡胶组合物制备的带的轮胎 。 用于涂覆钢帘线的橡胶组合物包含40至80重量份的氮吸附比表面积为100至200m 2 / g的二氧化硅,1至15重量份的硅烷 偶联剂和0.5〜3重量份的硼酸钾,基于100重量份的二烯橡胶组分,并且使用该橡胶组合物制备轮胎。
    • 38. 发明申请
    • Pneumatic tire
    • 气动轮胎
    • US20070215257A1
    • 2007-09-20
    • 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,断路器部和侧壁部上的胎面橡胶,破碎橡胶和侧壁橡胶的体积电阻率为1×10 8Ω。 cm以上,导电层的体积电阻率小于1×10 8Ω·cm,厚度在0.2〜2.0mm的范围内,形成在形成胎体的胎体帘布层和侧壁橡胶之间 并且形成为与导电层接触并具有比胎面橡胶的体积电阻率低的体积电阻率的导电层或橡胶粘合剂层暴露于轮胎的表面。
    • 40. 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 。