Compagnie Generale Des Etablissements Michelin

Michelin Recherche Et Techniques S.a.

Compagnie G&eacute;n&eacute;rale Des Establissements Michelin - Michelin & Cie

Compagnie G{acute Over (e)}n{acute Over (e)}rale Des Etablissements Michelin - Michelin & Cie

Michelin Recherche Et Technique S.a.

Jacques Barraud

Pedro Costa Pereira

Bernard Guerinon

Yves Herbelleau

Jean-Yves Denoueix

Agnès Poulbot

Tire tread band having a tread surface having at least two wearing layers, a first wearing layer formed by raised elements each having a contact surface, having at least grooves of circumferential orientation, and intended to contact the road surface when new, and at least one wearing layer in contact with the road surface after the first layer has entirely worn away, and containing at least one channel extending in the circumferential direction, and opening onto the tread surface when the wearing layer that precedes it has completely worn away, each wearing layer distinct from the first wearing layer, having transverse incisions distributed in the circumferential direction, extending from a channel of the layer in a direction which is not circumferential, opening fully or partially into at least one other circumferentially oriented channel or groove, irrespective of the level of wear of the other wearing layer.

Tread with an improved drainage space

A tire wherein the reinforcing cords of the carcass, in the part situated between the anchoring zone of the carcass and the sidewall, are in contact with at least one layer of cushion compound having a high modulus of elasticity on the axially outer side and a low modulus of elasticity on the axially inner side and in the sidewall.

Tire having an improved carcass

Growing community of inventors

Clermont-Ferrand, France

Jacques Barraud