ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,821, issued on Feb. 10, was assigned to NIPPON STEEL Corp. (Tokyo).
"Die" was invented by Naruhiko Nomura (Tokyo), Toshiya Suzuki (Tokyo), Kenta Uenishi (Tokyo) and Tohru Yoshida (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A die includes a die body and a removable shell. The die body includes a supply flow channel formed inside the die body. One end of the supply flow channel opens at the surface of the die body. The supply flow channel is to be supplied with a fluid for temperature adjustment. The removable shell is mounted removably to the surface of the die body. The removable shell includes an outer surface that constitutes at least a ...