US Patent Issued to BUHLER on March 31 for "Wear-resistant rotor" (Swiss Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,397, issued on March 31, was assigned to BUHLER AG (Uzwil, Switzerland).

"Wear-resistant rotor" was invented by Cornel Fraefel (Flawil, Switzerland) and Eduard Nater (Zuckenriet, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a rotor for an agitating mill having a generally cylindrical rotor body, the outer wall of which defines an inner surface of a milling chamber, through which a feed material to be treated flows during operation of the agitating mill. A ceramic ring is arranged at the rotor end of the rotor body, the rotor end being arranged opposite the product inlet of the agitating mill. The invention als...