ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,834, issued on Oct. 27, was assigned to Compagnie Generale Des Etablissements Michelin (Clermont-Ferrand, France).
"Coextrusion installation for producing a tread having reinforcing inserts embedded at depth in the tread pattern blocks" was invented by Mickael Rouby (Clermont-Ferrand, France) and Dominique Denis (Clermont-Ferrand, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The coextrusion installation is intended to generate a profiled element for a tire tread by extruding a sublayer made of first elastomeric compound, an overlayer made of second elastomeric compound for forming the tread pattern blocks, and inserts made of third elastome...