Truck tyre with cap/base construction tread

摘要

The invention relates to a tire with a rubber tread of a cap/base construction with a tread cap of rib/groove configuration in contrast to a tread cap of lug/groove configuration. The tread cap is composed of styrene/butadiene copolymer rubber and isoprene/butadiene copolymer rubber and reinforced with a carbon black blend, and the underlying tread base is composed primarily of natural cis 1,4-polyisoprene rubber reinforced with carbon black. The invention particularly relates to truck tires and to bus tires which are collectively referred to herein as "truck tires".