ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,412, issued on April 22, was assigned to NIPPON STEEL Corp. (Tokyo).
"Coil skid and steel sheet manufacturing method" was invented by Takayuki Otsuka (Tokyo), Tooru Akashi (Tokyo), Kazuki Shiokawa (Tokyo), Yuki Takeuchi (Tokyo) and Hiroki Matsubara (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coil skid on which a hot-rolled coil 1 obtained by coiling a hot-rolled steel sheet is placed includes: at least two or more layers of a metal plate 11 and at least two or more layers of a heat insulating material 12 each stacked alternately, in which the metal plate 11 is in contact with the hot-rolled coil 1. The uneven cooling of an outer periphera...