MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202617090926 A) filed by Jfe Steel Corporation on July 27, 2026, for Method For Manufacturing Resistance Spot Welding Joint.
Inventors include Munemura Naoaki; Taniguchi Koichi; and Sawanishi Chikaumi.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: Provided is a method for manufacturing a resistance spot welded joint in which nugget diameter stability is excellent. In test welding, preliminary energization by constant current control in two or more patterns and main energization are performed, preliminary energization is performed under the same energization conditions and a pressing force of les...