US Patent Issued to SHIBAURA MACHINE on June 10 for "Friction stir welding attachment, friction stir welding head, and friction stir welding device" (Japanese Inventors)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,084, issued on June 10, was assigned to SHIBAURA MACHINE Co. LTD. (Tokyo).

"Friction stir welding attachment, friction stir welding head, and friction stir welding device" was invented by Kouichi Katoh (Shizuoka, Japan), Hirohiko Matsuzaki (Shizuoka, Japan) and Toshinao Aoki (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A friction stir welding attachment includes a body configured to be attached to a spindle supported by a spindle head of a machine tool, a metalworking shaft rotatably supported by the body wherein a welding tool is attachable to the metalworking shaft, a plurality of air motors provided in the body, and a transmiss...