US Patent Issued to Metso Finland on Feb. 24 for "Screw flight system, replacement kit, a vertical grinding mill, and method of mounting the same" (Brazilian Inventor)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,693, issued on Feb. 24, was assigned to Metso Finland Oy (Espoo, Finland).

"Screw flight system, replacement kit, a vertical grinding mill, and method of mounting the same" was invented by Francisco de Assis Nogueira Junior (Vila Haro Sorocaba-SP, Brazil).

According to the abstract* released by the U.S. Patent & Trademark Office: "A screw flight system including a helical screw flight, and at least one wear lining element is disclosed. The screw flight system further includes a guiding system including at least one guide pin configured to be arranged on one of the helical screw flight and the at least one wear lining element, and at least one guide hole arranged on the other of t...