MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202617072501 A) filed by Nippon Steel Corporation on June 11, 2026, for Spot-Welded Joint And Method For Producing Spot-Welded Joint.

Inventors include Furusako Seiji; Horikawa Hiroshi; and Kodama Shinji.

The application for the patent was published on July 31, 2026, under issue no. 31/2026.

Abstract: A spot-welded joint (1) according to an aspect of the present invention satisfies ? = 20.0, 0.7 = DNUG / DIND = 1.0, 0.5 = TIND / TPAR, and DNUG = 6.0, where ? is the angle between the edge of an indentation provided in a galvanized layer of a high-strength steel plate and the surface of the high-strength steel plate, DNUG is the diameter of the nugget, DIND is the diameter of the indentation (121) in the galvanized layer provided on the high-strength steel plate, TIND is the minimum thickness of the spot-welded joint (1) inside the indentation (121), and TPAR is the total thickness of a plurality of steel plates outside the indentation (121).

Disclaimer: Curated by HT Syndication.