Michelin Recherche Et Technique S.a.

Compagnie Generale Des Etablissements Michelin

Societe Detechnologie Michelin

Nicolas Janin

Nicolas Grolier

Philippe Tramond

A method for manufacturing a tyre includes:

Method for producing an asymmetrical tyre

A tire is provided that includes a crown with a mid-plane S, two sidewalls, a first bead, of diameter &#x3a6;, intended to be positioned on the outboard side of a vehicle, and a second bead, of diameter &#x3a6;, intended to be positioned on the inboard side of a vehicle, such that &#x3a6;&#x3e;&#x3a6;. When the tire is mounted on its working rim and inflated to its nominal pressure, the mid-plane S of the crown is axially offset towards the first bead relative to a mid-plane B of the beads by a positive or zero distance D.

Tire with seats of unequal diameters and reverse axial offset in an inflated state

Tire having two beads, at least one beadof which has a seatinclined toward the outside, this seatbeing extended axially and radially to the outside by a lateral part. This beadincludes an anchoring device formed from at least one circumferential bead reinforcing elementand from a wedge-shaped profiled elementmade of a rubber compound. A radial carcass reinforcementis anchored in each bead to the circumferential bead reinforcing element, this tire being characterized in that the outwardly inclined bead seatincludes at least one circumferentially continuous ribmaking at least one complete revolution, said at least one ribbeing located axially to the outside of a plane perpendicular to the axis of rotation of the tire and axially tangential to the outside of the circumferential bead reinforcing elementin order to create a continuous line of contact pressure equal to or greater than the inflation pressure of the tire.

Growing community of inventors

Riom, France

Nicolas Janin