US Patent Issued to JFE Steel on Nov. 3 for "Hardness prediction method of heat hardened rail, thermal treatment method, hardness prediction device, thermal treatment device, manufacturing method, manufacturing facilities, and generating method of hardness prediction model" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,255, issued on Nov. 3, was assigned to JFE Steel Corp. (Tokyo).

"Hardness prediction method of heat hardened rail, thermal treatment method, hardness prediction device, thermal treatment device, manufacturing method, manufacturing facilities, and generating method of hardness prediction model" was invented by Kenichi Osuka (Tokyo), Hiroyuki Fukuda (Tokyo) and Satoshi Ueoka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The hardness of a rail after the rail having a temperature equal to or higher than an austenite region temperature is forcibly cooled in a cooling facility is predicted. A plurality of sets of data for learning composed of a coo...