RHI Magnesita has been granted a patent for a submerged nozzle designed for pouring molten steel. The nozzle features a tubular body with an inlet and multiple outlet ports, and includes a rotatable insert that is driven by the flow of molten metal, enhancing the pouring process. GlobalData’s report on RHI Magnesita gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on RHI Magnesita, was a key innovation area identified from patents. RHI Magnesita's grant share as of June 2024 was 60%. Grant share is based on the ratio of number of grants to total number of patents.
Submerged nozzle for pouring molten steel with rotatable insert
The patent US12017273B2 describes a submerged nozzle designed for pouring molten steel from a tundish into a mould. The nozzle features a tubular body with a passageway that extends from one end to the other, incorporating at least one inlet port and multiple outlet ports. A key innovation is the inclusion of a rotatable insert within the passageway, which is configured to rotate as molten metal flows through it. This design allows for improved control over the flow of molten metal, enhancing the efficiency of the casting process. The rotatable insert can take various forms, including a propeller with a specific number of blades and pitch, and is made from refractory materials such as boron nitride.
Additionally, the patent outlines various configurations and specifications for the submerged nozzle, including the positioning of the rotatable insert, the angle of the blades, and the materials used in construction. The nozzle can be produced through isostatic pressing, and it may include a wear liner section to enhance durability. The claims also encompass methods for utilizing the submerged nozzle in continuous casting processes, emphasizing its role in improving the pouring of molten steel into moulds. Overall, the patent presents a comprehensive approach to enhancing the performance and reliability of submerged nozzles in metallurgical applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
