US Patent Issued to JFE STEEL on Oct. 20 for "Metal sheet shearing work method, pressed component manufacturing method, metal sheet, and shearing die for metal sheet" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,582, issued on Oct. 20, was assigned to JFE STEEL Corp. (Tokyo).

"Metal sheet shearing work method, pressed component manufacturing method, metal sheet, and shearing die for metal sheet" was invented by Yuichi Matsuki (Tokyo), Kinya Nakagawa (Tokyo), Toyohisa Shinmiya (Tokyo) and Yuji Yamasaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shearing work technology of metal sheets, such as high-strength steel sheets, is excellent in stretch flange crack resistance and delayed fracture resistance of the sheared end surface. A metal sheet shearing work method including: applying double shearing work to an end portion of at least one part of th...