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    • 1. 发明授权
    • Low noise level tire
    • 低噪音级轮胎
    • US06216757B1
    • 2001-04-17
    • US08320781
    • 1994-10-11
    • Masashi OharaEiji Takiguchi
    • Masashi OharaEiji Takiguchi
    • B60C100
    • B60C11/0083B60C11/00B60C11/005B60C2011/147
    • A low noise level tire includes a carcass composed of at least one ply toroidally extending between a pair of bead cores, and a tread arranged radially outwardly of the carcass and composed of an outer cap rubber layer and an inner base rubber layer. The cap rubber layer is made of a rubber having a dynamic storage modulus of not less than 1.0×108 dyn/cm2 and not more than 2.0×108 dyn/cm2 and a loss tangent more than 0.15 and not more than 0.35. The base rubber layer is made of a rubber having a dynamic storage modulus of not less than 1.2×108 dyn/cm2 and not more than 2.2×108 dyn/cm2 and a rate of foaming of not less than 5% and not more than 50%.
    • 低噪音级轮胎包括由在一对胎圈芯之间环形延伸的至少一个层构成的胎体和设置在胎体径向外侧并由外盖橡胶层和内基底橡胶层构成的胎面。 盖橡胶层由动态储能模量为1.0×10 8 dyn / cm 2以上且2.0×10 8 dyn / cm 2以下且损耗角正切为0.15以上且0.35以下的橡胶制成。 基底橡胶层由动态储能模量为1.2×10 8 dyn / cm 2以上且2.2×10 8 dyn / cm 2以下的橡胶制成,发泡率为5%以上且50%以下。
    • 2. 发明授权
    • Pneumatic tire suitable for running on snow and ice roads
    • 气动轮胎适合在冰雪道路上行驶
    • US4624296A
    • 1986-11-25
    • US673455
    • 1984-11-21
    • Eiji Takiguchi
    • Eiji Takiguchi
    • B60C1/00C08L21/00B60C11/00
    • B60C1/0016C08L21/00Y10S152/905
    • A pneumatic tire suitable for running on snow and ice roads is improved by providing tread portion composed of a rubber composition comprising 100 parts by weight of a blend rubber consisting of (A) 50 to 90 parts by weight of at least one rubber selected from the group consisting of natural rubber, polyisoprene rubber, butadiene-styrene copolymer rubber, polybutadiene rubber, butyl rubber and halogenated butyl rubber and (B) 10 to 50 parts by weight of a diene type rubber containing 0 to 25% of styrene group (x) and 0 to 50% of 1,2 vinyl bond group (y), (x) and (y) satisfying the following relationship: ##EQU1## mixed with 40 to 100 parts by weight of carbon black and 0 to 60 parts by weight of a softener and vulcanized.
    • 通过提供由橡胶组合物构成的胎面部分提供适合于雪和冰道路的充气轮胎,所述橡胶组合物包含100重量份的混合橡胶,所述混合橡胶由(A)50至90重量份的至少一种选自 由天然橡胶,聚异戊二烯橡胶,丁二烯 - 苯乙烯共聚物橡胶,聚丁二烯橡胶,丁基橡胶和卤化丁基橡胶组成的组,(B)10至50重量份含有0至25%苯乙烯基团(x)的二烯类橡胶, 和0〜50%的1,2乙烯基键基(y),(x)和(y)满足以下关系:< IMAGE>与40〜100重量份的炭黑和0〜60重量份的 软化剂硫化。