US Patent Issued to NIPPON LIGHT METAL on Feb. 3 for "Rotating tool, joining device, and joining method" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,556, issued on Feb. 3, was assigned to NIPPON LIGHT METAL COMPANY LTD. (Tokyo).

"Rotating tool, joining device, and joining method" was invented by Nobushiro Seo (Shizuoka, Japan) and Shingo Koizumi (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a rotating tool used in a joining device, the rotating tool including: a main body including a fixation portion and a rotating shaft; a stir member including a stir pin that performs friction stirring on the to-be-joined members, the stir member provided to be rotatable by receiving the rotating force from the rotating shaft and provided in the main body to be movable in an axial ...