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公开(公告)号:US4319620A
公开(公告)日:1982-03-16
申请号:US189392
申请日:1980-09-19
Applicant: Robert B. Knill
Inventor: Robert B. Knill
CPC classification number: B60C11/18 , B60C1/0016 , B60C11/0058
Abstract: A pneumatic tire having a sulfur-cured rubber tread comprised of an axially central tread portion positioned between two tread portions of about equal size, said tread portions required to be of particular rubber compositions and physical characteristics.
Abstract translation: 一种具有硫化硫化橡胶胎面的充气轮胎,其包括定位在大致相同尺寸的两个胎面部分之间的轴向中心胎面部分,所述胎面部分需要具有特定的橡胶组合物和物理特性。