Compagnie Generale Des Etablissements Michelin

Michelin Recherche Et Technique S.a.

Societe Detechnologie Michelin

Jean-Michel Huyghe, Jr

Antonio Delfino

Jean-Paul Meraldi

Anne-Lise Thuilliez

Florian Vilcot

Christophe Le Clerc

Aline Riou

Laurent Bucher

Thibault Rapenne

Tire having at least one carcass reinforcement, a tread, a belt reinforcer having a first and a second end and:

Tire with a radial or cross-ply carcass

A bead wire for a tire includes a core, an outer layer, and at least one intermediate layer. The core includes at least one yarn of a multifilament textile fiber embedded in an organic matrix. The outer layer includes an outer-layer metal wire wound around the core. Each intermediate layer includes an intermediate-layer metal wire wound around the core. Each intermediate layer is disposed between the core and the outer layer.

Lighter hybrid bead wire for tyre

A multilayer laminate, which is usable as a reinforcing element for a finished article or for a semifinished product made of rubber, such as a tire, includes at least one polymer film having, in any tensile direction in the film's plane, a Young's modulus that is greater than 500 MPa. The film is positioned between and in contact with two layers formed of a rubber composition, such as natural rubber. Each layer formed of the rubber composition exhibits, in a crosslinked state, a secant modulus that, in extension at 10% elongation, is greater than 30 MPa, with between 30 and 150 MPa being preferable for the secant modulus.

Multilayer laminate which can be used for the reinforcement of a tyre belt

Tire comprising at least one carcass-type reinforcing structure () anchored on each side of the tire. The anchoring includes a turning up of the carcass-type reinforcing structure around a bead core () in such a way as to form a turned-up section (). The tire also includes at least one circumferential bielastic reinforcing element () made of a bielastic fabric, in which the fabric employed is a bielastic knitted fabric, that is a stitched fabric in which the loops forming the stitches are capable of moving relative to each other. The at least one bielastic reinforcing element () being arranged so as to extend substantially parallel along a portion of the reinforcing structure () which is situated in that region of the bead () of the tire that is axially outward relative to the reinforcing structure, in the immediate vicinity of the latter.

Tire with lower region comprising a bielastic reinforcing element

Growing community of inventors

Clermont-Ferrand, France

Jean-Michel Huyghe, Jr