MUMBAI, India, April 20 -- Intellectual Property India has published a patent application (202517118795 A) filed by Paul Wurth S. A., Luxembourg, on Nov. 28, 2025, for 'tuyere for a metallurgical furnace.'

Inventor(s) include Sonntag, Daniel; Krmer, Philipp; and De Gruiter, Christian.

The application for the patent was published on April 17, under issue no. 16/2026.

According to the abstract released by the Intellectual Property India: "The invention provides a tuyere for a metallurgical furnace, the tuyere comprising a conical hollow tuyere body with an inner surface and an outer surface, the tuyere extending along a first axis from an inlet end to an opposite outlet end, the tuyere body having a connection surface at the inlet end, said connection surface being configured for engaging a nose portion of a blowpipe, the tuyere further comprising a sealing arrangement arranged on the connection surface, the sealing arrangement comprising at least an inner seal received in an inner seal holder and an outer seal received in an outer seal holder, the seals being arranged along the first axis, wherein the outer seal is a floating seal and the inner seal is a fixed seal, and wherein the outer seal is arranged closer to the tuyere inlet end than the inner seal."

The patent application was internationally filed on Sept. 30, 2024, under International application No.PCT/EP2024/077412.

Disclaimer: Curated by HT Syndication.