US Patent Issued to NIPPON STEEL on May 27 for "Method of manufacturing overlapped hot stamp molded body, and overlapped hot stamp molded body" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,427, issued on May 27, was assigned to NIPPON STEEL Corp. (Tokyo).

"Method of manufacturing overlapped hot stamp molded body, and overlapped hot stamp molded body" was invented by Soshi Fujita (Tokyo), Yuki Suzuki (Tokyo), Masahiro Fuda (Tokyo), Hideaki Irikawa (Tokyo), Jun Maki (Tokyo), Nobuo Yoshikawa (Tokyo) and Naruhiko Nomura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A manufacturing method includes: heating an overlapped blank; transferring the heated overlapped blank; and a step of performing presswork on the heated overlapped blank by using a die. In the heating step, when sheet-thicknesses of the first and second steel sheets are...