ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,023, issued on Nov. 4, was assigned to NIPPON STEEL Corp. (Tokyo).
"Welding monitoring apparatus and welding monitoring method" was invented by Noboru Hasegawa (Tokyo), Michitoshi Tanimoto (Tokyo) and Michimasa Mukai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a welding monitoring apparatus that monitors a welding state of a V-convergence region in which a strip-shaped metal sheet is converged in a V-shape, when the metal sheet is cylindrically formed while being conveyed, and both side edges of the metal sheet are heated and melted in a manner of being butted each other while being converged in the V-shape, such that an electri...