Patent ID: 8186401

Claim:
A rubber tread for tires, the tread comprising: a plurality of tread pattern elements each comprising lateral faces and a contact face for contacting a roadway surface during travel of a tire provided with said tread, a surface of contact of the contact face with the roadway surface forming at least one ridge with at least one of the lateral faces, and a plurality of cutouts in the form of at least one of grooves and incisions, said cutouts being defined by at least two of the lateral faces facing toward each other, wherein each of the plurality of tread pattern elements is formed with at least one base mix, wherein, viewed in section in a plane containing a thickness of said tread, at least one of the lateral faces defining at least one of the plurality of cutouts is covered at least in part with a covering mix, said part having the covering mix extending over a height (H R ) at least equal to 30% of a height (H) of the at least one of the lateral faces when the tire is new, wherein the at least one base mix extends to the contact face when the tire is new or at the latest after wear at most equal to 10% of the height (H R ), wherein the base mix comprises from 5 to 20 phr of carbon black, wherein the covering mix has an amount of carbon black greater than 0 phr and at most equal to 2 phr, and wherein the covering mix provides increased grip of the tread on wet roads compared to the base mix.