ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,566, issued on Sept. 2, was assigned to JFE STEEL Corp. (Tokyo).
"Method for producing sintered ore" was invented by Kenta Takehara (Tokyo), Tetsuya Yamamoto (Tokyo) and Takahide Higuchi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method produces a high-strength sintered ore while maintaining a high production rate by performing appropriate oxygen enrichment at a position closer to an ore discharging section than an ignition position without using gaseous fuel in the operation of a sintering machine. In a method for producing sintered ore including sequentially combusting carbonaceous material in a sinter bed (raw material charged layer)...