Tata Steel has been granted a patent for a tube section designed for constructing large diameter tubes suitable for underpressure applications, with a diameter of at least 2m. The tube section includes longitudinal stringers, circumferential sections, and thin-walled skin sections, forming a strong skeletal framework. GlobalData’s report on Tata Steel 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 Tata Steel, Extraction by leaching was a key innovation area identified from patents. Tata Steel's grant share as of January 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Tube section for constructing large diameter underpressure tubes
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A recently granted patent (Publication Number: US11884306B2) discloses a tube section designed for constructing tubes suitable for underpressure applications, with an incircle diameter of at least 2m. The tube section includes longitudinal stringers, circumferential sections, and thin-walled skin sections with a radius of curvature extending along their entire length. The longitudinal stringers are connected to the inner surface of the circumferential sections, forming a skeletal framework for attaching the thin-walled skin sections. These skin sections are mounted fixedly and air-tightly to the stringers, creating tension between them when in use.
Furthermore, the patent claims variations in the design, such as hollow longitudinal stringers or circumferential sections, additional strengthening elements for the skin sections, and the use of hot-rolled steel strip for construction. The tube sections can be part of an evacuated tube transport system, where the pressure inside the tube is less than 0.1 bar. Solar panels can also be integrated into the design, fixed to the stringers or circumferential sections. The patent covers a range of configurations, including different shapes for the circumferential sections, the inclusion of floor panels or installation panels, and the use of various materials for construction, providing a versatile solution for underpressure 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.
