US Patent Issued to NIPPON STEEL on Oct. 14 for "Burring processing method, method for manufacturing burring processed product, burring processing mold, burring processing device, and burring processed product" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,882, issued on Oct. 14, was assigned to NIPPON STEEL Corp. (Tokyo).

"Burring processing method, method for manufacturing burring processed product, burring processing mold, burring processing device, and burring processed product" was invented by Kenichiro Otsuka (Tokyo), Masafumi Azuma (Tokyo), Yasuhiro Ito (Tokyo) and Toru Yonebayashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A burring processing method including increasing a diameter of a prepared hole provided in a metal component and bending a part of the metal component to form a burring processed portion (110) including an upright portion (120) and a curved portion (130), wherein ...