US Patent Issued to Bridgestone Europe NV/SA on May 27 for "Process for the manufacture of a multi-compound tread for pneumatic tires for road vehicles" (Italian Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,626, issued on May 27, was assigned to Bridgestone Europe NV/SA (Zaventem, Belgium).

"Process for the manufacture of a multi-compound tread for pneumatic tires for road vehicles" 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 for pneumatic tyres, wherein the blocks thereof comprise different rubber portions characterized by a different hysteresis loss. The process comprises a shredding step, wherein from a first and from a second rubber tread compound a plurality of fragments is manufactured with dimensions of betw...