Truck tire with cap/base construction tread
    3.
    发明授权
    Truck tire with cap/base construction tread 有权
    卡车轮胎,带盖/底座结构胎面

    公开(公告)号:US07028734B2

    公开(公告)日:2006-04-18

    申请号:US10602360

    申请日:2003-06-24

    IPC分类号: B60C1/00 B60C11/00

    摘要: A pneumatic tire comprising a tread, the tread comprising a tread cap and a tread base in a tread base to tread cap volume ratio ranging from about 0.25 to about 1; the tread cap comprising, based on 100 parts by weight rubber (phr): 100 phr of cis 1,4 polyisoprene natural rubber; from about 25 to about 50 phr of carbon black; and from about 8 to about 35 phr of silica; the tread base comprising, based on 100 parts by weight rubber (phr): 100 phr of cis 1,4 polyisoprene natural rubber; from about 25 to about 50 phr of carbon black; and from about 8 to about 35 phr of silica; wherein the tread cap has a stiffness greater than that of the tread base.

    摘要翻译: 一种充气轮胎,其包括胎面,所述胎面包括胎面盖和胎面基部,所述胎面基部的胎面基部与胎冠帽体积比范围为约0.25至约1; 基于100重量份的橡胶(phr):100phr的顺式1,4-聚异戊二烯天然橡胶; 约25至约50phr的炭黑; 和约8至约35phr的二氧化硅; 基于100重量份的橡胶(phr):100phr的顺式1,4-聚异戊二烯天然橡胶, 约25至约50phr的炭黑; 和约8至约35phr的二氧化硅; 其中所述胎冠具有大于所述胎面基部的刚度的刚度。