Patent ID: 9050859
Filing Date: 2015-06-09
Classification: B60C

Abstract:
1. A pneumatic tire having a tire tread, the tread comprising one or more grooves and at least one rib, the tread having a radially outer surface and a non-skid tread depth as measured from the radially outer surface of the tread and a radially innermost surface of the grooves, the tread having a radially innermost layer comprised of a base tread compound, the tread further comprising a radially outer tread cap layer and a middle tread layer located between the base layer and the outer tread cap layer, wherein the rib has a dividing line formed between the radially outer tread cap layer and the middle tread layer, wherein the dividing line has a notched area wherein the radially outer tread cap layer extends radially inward to a depth in the range of about 80-110% of the groove depth D, wherein the radially outer tread cap layer is formed of a rubber compound having a tread rebound at 23 C in the range of 19 to 23, and wherein the middle tread cap layer is formed of a rubber compound having a tread rebound at 23 C in the range of 26-46.