Invention Grant
US09126457B2 Pneumatic tire having first tread cap zone and second tread cap zone 有权
气动轮胎具有第一胎冠区和第二胎冠区

Pneumatic tire having first tread cap zone and second tread cap zone
Abstract:
The invention is directed to a pneumatic tire having a rubber tread of a cap/base construction comprising an outer rubber tread cap layer containing an outer running surface and an underlying rubber tread base layer; wherein said tread cap layer comprises at least two circumferential, longitudinal rubber tread cap zones; wherein said tread cap zones individually extend from said tread cap running surface radially inward to said tread base layer; wherein said at least two tread cap zones comprises a first tread cap zone and a second tread cap zone adjacent to the first tread cap zone; the first tread cap zone and the second tread cap zone each independently comprising a vulcanizable rubber composition.
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