Compagnie Generale Des Etablissements Michelin

Xavier Lebrun

Guillaume Pibre

Francois Lafort

Didier Vasseur

François Lafort

A tire () for a vehicle comprises two sidewalls () and a crown () that is connected to the two sidewalls (). The tire () comprises at least one insert () which includes force detection means and which extends in a limited manner along one of the sidewalls () or the crown ().

Tire comprising a piezoelectric composite

A piezoelectric device comprises at least one piezoelectric composite layer P inserted between two conductive composite layers E, each layer E forming an electrode, characterized in that: the layer P is a rubber composition containing more than 50 parts by weight per hundred parts by weight rubber, phr, of diene elastomer, a cross-linking system and at least 5 vol. %, in relation to the total volume of the rubber composition, of piezoelectric inorganic charges; and each layer E is a rubber composition containing at least 50 phr of diene elastomer, a cross-linking system, and conductive charges. A method for producing the device and a tire comprising the device are also disclosed.

Device consisting of an elastomer matrix, comprising piezoelectric charges and electrodes

A tire tread is based on one or more diene elastomers, on one or more reinforcing fillers, on a crosslinking system, and on at least one compound (A) selected from a metal chelate comprising at least one ligand and at least one metal, a pigment and their mixture.

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Clermont-Ferrand, France

Xavier Lebrun