US Patent Issued to Metso Finland on June 16 for "Fretting wear reduction of interference fitted cone crusher head" (Finnish Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,172, issued on June 16, was assigned to Metso Finland Oy (Espoo, Finland).

"Fretting wear reduction of interference fitted cone crusher head" was invented by Mikko Merikoski (Tampere, Finland) and Petri Kujansuu (Tampere, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cone crusher head, system, and crusher including the cone crusher head and system. A conical mantle radially extends from an interference fit section and has a head diameter Dch. The conical mantle has a wear part support surface and a shaft support surface. The interference fit section has a nominal interference fit diameter Dif. The conical mantle has an armpit groove for r...