ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,489, issued on Sept. 2, was assigned to JFE STEEL Corp. (Tokyo).

"Slit nozzle and method for manufacturing high-silicon steel strip" was invented by Teruhiko Tobe (Tokyo), Takashi Doi (Tokyo) and Shinji Koseki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A slit nozzle having a double-tube structure and a method for manufacturing a high-silicon steel strip having a small variation in Si concentration depending on the position in the width direction of the steel strip. The slit nozzle has a double-tube structure, in which a flow-control plate which closes a gap between an inner tube and an outer tube is disposed between an open end of the inn...