US Patent Issued to Kawasaki Jukogyo on Dec. 16 for "Friction stir joining device, method of operating the same and joint structure" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,655, issued on Dec. 16, was assigned to Kawasaki Jukogyo K.K. (Kobe, Japan).

"Friction stir joining device, method of operating the same and joint structure" was invented by Naoki Takeoka (Kakogawa, Japan), Ryoji Ohashi (Kobe, Japan), Yoshitaka Muramatsu (Akashi, Japan) and Takuya Fukuda (Kakogawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A friction stir joining device includes a tool, a rotary driver, a linear-movement driver, and a control device. The control device is adapted to (A) dispose so that a first member opposes to the tool, and the first member, a second member and a third member are located in this order, (B) control the li...