Compagnie Generale Des Etablissements Michelin

Nicolas Lechevalier

Gilles Mioche

Eddy Ferjoux

A system () for butt-joining two or more rubber strips (B, B) selected in accordance with a predetermined rubber mixture recipe in order to feed at least one extruder with a complex strip of rubber material (B) made from the butt joined rubber strips is disclosed. The system includes at least one conveyor that transports the rubber strips from an inlet () of the system to an outlet () of the butt-joining system; a frame () that operationally supports the conveyor to allow the continuous transport of the rubber strips and also to allow the simultaneous butt-joining of the rubber strips fed to the system; and a roller system () that butt-joins the rubber strips without penetration. The invention also relates to a process for butt-joining rubber strips that is performed by the system.

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Clermont-Ferrand, France

Nicolas Lechevalier