MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202517047278 A) filed by Jfe Steel Corporation, Tokyo, on May 16, for 'friction element joining method.'

Inventor(s) include Munemura Naoaki; and Taniguchi Koichi.

The application for the patent was published on June 6, under issue no. 23/2025.

According to the abstract released by the Intellectual Property India: "The purpose of the present invention is to provide a friction element joining method in which a sheet assembly composed of two or more stacked metal sheets is jointed together by forcing an element having a tip angle into the sheet assembly while rotating the element. The friction element joining method includes an oxide film removal step ...