The Goodyear & Tire Rubber Company

Fernand A Fourgon

Adel Farhan Halasa

Jean Nicolas Bergh

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'.

Truck tire with thread of rib/groove configuration

The invention relates to a tire with a rubber tread of a cap/base construction wherein the tread cap is composed of cis 1,4-polyisoprene natural rubber, isoprene/butadiene copolymer rubber and cis 1,4-polybutadiene rubber, reinforced with precipitated silica and carbon black, 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'.

Truck tire with cap/base construction tread

A styrene, isoprene, butadiene terpolymer rubber with a characterization according to its glass transition temperatures and unit structure and a pneumatic tire with a tread composed of such terpolymer rubber specifically in combination with selected other rubber.

Terpolymer rubber of styrene, isoprene and butadiene

A styrene, isoprene, butadiene terpolymer rubber with a characterization according to its glass transition temperatures and unit structure and a pneumatic tire with a tread composed of such terpolymer rubber specifically in combination with selected other rubber which has been observed to provide such tread with enhanced physical properties.

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Bastogne, Belgium

Fernand A Fourgon