Patent Number: 6,169,137

Title: Tire having a base of precipitated silica with improved rolling resistance

Abstract: A radial carcass tire comprising a tread, two non-stretchable beads, two sidewalls connecting the beads to the tread, and a crown reinforcement located between the carcass and the tread, the crown reinforcement including a diene elastomeric rubber having, as reinforcing filler, a highly dispersible precipitated silica having a CTAB specific area less than or equal to 125 m.sup.2 /g and a BET specific surface area less than or equal to 125 m.sup.2 /g.

Inventors: Vasseur; Didier (Clermont-Ferrand, FR)

Assignee: Compagnie Generale des Etablissements Michelin & Cie

International Classification: B60C 9/18 (20060101); B60C 9/20 (20060101); B60C 1/00 (20060101); C08K 3/36 (20060101); C08K 3/00 (20060101); C08K 003/34 ()

Expiration Date: 01/02/2018