Compagnie Generale Des Etablissements Michelin

Sylvain Morival

Michel Ahouanto

Frédéric Perrin

Patrick Pallot

Christopher Careme

Jean-Mathieu Clergeat

Olivier Reix

Rémi Reynal De St-michel

A tire has a treadwhich includes groovesthe side facesof which are undercut, and includes at least one circumferential reinforcing element-arranged axially relative to said undercut side faceat a distance 'd' of between 0 and 15% of the axial width Lof the tread blockat least extending radially from the inside towards the outside from a radial level situated above the wear limit level and to a radial height equal to 5% of the thickness 'p' of the tread.

Tire comprising a tread having grooves with undercut side faces and reinforcing elements

A tire, the tread of which has an underlayer and a circumferential reinforcement made up of a rubber mixture with a stiffness greater than the stiffness of the rubber mixture and the underlayer, has an outer side and an inner side. The circumferential reinforcement has a reinforcing element of tapered shape positioned in the tread pattern elements disposed axially on the outside with respect to the first or the second circumferential grooves of the tread from the outside to the inside and axially close to the circumferential groove.

Tire comprising a tread containing reinforcing elements

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Clermont-Ferrand, France

Sylvain Morival