MUMBAI, India, Sept. 26 -- Intellectual Property India has published a patent application (202517085575 A) filed by Nippon Steel Corporation, Tokyo, on Sept. 9, for 'production method of electric resistance welded steel pipe and electric resistance welded steel pipe.'
Inventor(s) include Yamashita Satoru; and Kobayashi Akinobu.
The application for the patent was published on Sept. 26, under issue no. 39/2025.
According to the abstract released by the Intellectual Property India: "Provided is a method for manufacturing an electric resistance welded steel pipe, the method including: an end face shaping step for forming an outer inclined portion inclined in a plate thickness direction from an outer surface side toward an inner surface side,...