US Patent Issued to Kobe Steel on May 13 for "Flux-cored wire and welding method" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,411, issued on May 13, was assigned to Kobe Steel Ltd. (Kobe, Japan).

"Flux-cored wire and welding method" was invented by Keito Ishizaki (Fujisawa, Japan), Takashi Yashima (Fujisawa, Japan) and Shun Izutani (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flux-cored wire comprising a flux which is a core and a hoop which is an outer skin or sheath is described. The flux includes a strong deoxidizing metal element containing Mg and Al, and a fluoride powder. At least 60 mass % of a strong deoxidizing metal powder related to the strong deoxidizing metal element has a grain size of at most 150 micro metre. At least 60 mass % of the fl...