US Patent Issued to Kobe Steel on Feb. 24 for "Flux for electroslag welding and electroslag welding method" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,745, issued on Feb. 24, was assigned to Kobe Steel Ltd. (Kobe, Japan).

"Flux for electroslag welding and electroslag welding method" was invented by Keito Ishizaki (Kanagawa, Japan), Yoshihiko Kitagawa (Kanagawa, Japan), Tomoko Sugimura (Hyogo, Japan), Tatsuya Sasaki (Hyogo, Japan) and Hidenori Nako (Hyogo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flux for electroslag welding used for electroslag welding may include a basic oxide, an amphoteric oxide, an acidic oxide, and a fluoride. With respect to a total mass of the flux, the basic oxide may include 5.1 mass % or more and 30.0 mass % or less of CaO, the acidic oxide includes 17 mass...