US Patent Issued to Bridgestone Europe NV/SA on June 16 for "Procedure for producing a multi-compound tread for road vehicle tires" (Italian Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,411, issued on June 16, was assigned to Bridgestone Europe NV/SA (Zaventem, Belgium).

"Procedure for producing a multi-compound tread for road vehicle tires" was invented by Enrico Fresch (Rome), Alessandra Bartoloni (Rome) and Andrea Sabella (Rome).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the manufacture of a tread band, wherein the blocks thereof include different portions having differing hysteresis losses. The process includes a step for the extrusion of a preliminary tread band consisting of a first rubber compound and an injection step, wherein the preliminary tread band, once extruded, is subjected to the action of at least...