TIRE TREAD WITH IMPROVED SNOW/DRY TRACTION

摘要

Tire treads, having one or more repeating pitches, each repeating pitch comprising individual pitches having tread blocks with sipes formed therein and each pitch having a pitch length of between 15 mm and 35 mm. Such treads may also have a weighted, average sipe density Dw of between 10 mm-1 and 37 mm-1, which is determined through the disclosed Eq. 2 below. The tread blocks are also formed from a rubber composition based upon a diene elastomer, a plasticizing system and a cross-linking system, wherein the rubber composition has a glass transition temperature of between -40° C and -15° C and a shear modulus G* measured at 60 ° C of between 0,5 MPa and 1,1 MPa.