Compagnie Generale Des Etablissements Michelin

Christophe Goarant

Arnaud Delbast

Damien Charleux

Laure Gallard

A weft fabric (T) for tires () comprises several textile warp reinforcing elements () and several weft reinforcing elements (), wherein the moisture regain MR of the weft reinforcing elements () is less than or equal to 2.0%, the moisture regain being determined according to standard ASTM D 885/D 885MA of January 2010 the weft reinforcing elements () interweave the warp reinforcing elements (), and the weft reinforcing elements () are hairy.

Tire fabric comprising tousled weft reinforcing elements with low moisture absorption content

A preformer () is designed to extrude jointly a plurality of elastomer mixes in a direction of flow (X), in order to form a profiled element, the preformer comprising for this purpose, superimposed in a direction of stacking (Z), transverse to the direction of flow (X), a first channel (), a second channel () which is separated from the first channel () by a first partition (), then a third channel (), separated from the second channel () by a second partition (), the preformer also comprising a stiffener () formed integrally with the first partition () and the second partition (), and extends through the second channel (), having a leading edge () which splits the flow of elastomer material following the second channel ().

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Clermont-Ferrand, France

Christophe Goarant