US Patent Issued to JFE STEEL on Nov. 25 for "Element, friction element welding method, and method for producing friction element welded joint" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,042, issued on Nov. 25, was assigned to JFE STEEL Corp. (Tokyo).

"Element, friction element welding method, and method for producing friction element welded joint" was invented by Naoaki Munemura (Tokyo), Hiroshi Matsuda (Tokyo) and Yoshiaki Murakami (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An element, a friction element welding method, and a method for producing a friction element welded joint. The element is for performing friction element welding on a sheet stack of two or more stacked metal sheets by pressing the element into the sheet stack while the element is rotated. The element includes a circular columnar mandrel that is to en...