Compagnie Generale Des Etablissements Michelin

Michelin Recherche Et Technique S.a.

Pierre Tregouet

Benjamin Quantinet

Gilles Godeau

Muhamed Jesbeer Kallungal Abdul Jaleel

Claudia Navarro-Losada

A tire is provided with an outer sidewall, said outer sidewall comprising at least a rubber composition based on at least an elastomer, a reinforcing filler, a crosslinking system and more than 25 phr of a crumb rubber.

Tire provided with an outer sidewall containing a composition comprising a crumb rubber

A tire with a radial carcass reinforcement, having a crown reinforcement, itself capped radially by a tread connected to two beads by two sidewalls, having at least two radially superposed layers of elastomeric compounds; a first layer, forming the radially outer part of the tread, has a first elastomeric compound having a modulus G* greater than 1.8 MPa, a second layer of elastomeric compounds radially on the inside of and in contact with the said first layer of elastomeric compound has at least three parts, the axially outer parts having a second elastomeric compound having a maximum value of tan (&#x3b4;), denoted tan (&#x3b4;) max, strictly less than 0.060, and at least a part of the second layer, axially in contact with at least an axially outer part having a third compound with modulus G* greater than 1.2 MPa and at least 5% less than the first elastomeric compound and a maximum value of tan (&#x3b4;), tan (&#x3b4;)max, between 0.060 and 0.120.

Growing community of inventors

Clermont-Ferrand, France

Pierre Tregouet