Nippon Steel has patented a shock absorbing member designed to enhance impact absorption while allowing for thinner steel sheets. The member features a curved ridge and specific stress ratios, ensuring effective performance in tensile and shear tests, with a required Vickers hardness of 250 or more. GlobalData’s report on Nippon Steel gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Nippon Steel, Vehicle camshaft manufacturing was a key innovation area identified from patents. Nippon Steel's grant share as of July 2024 was 39%. Grant share is based on the ratio of number of grants to total number of patents.
The granted patent US12065193B2 outlines a shock absorbing member designed to enhance structural integrity and energy absorption in various applications, particularly in automotive components. The member features a curved ridge portion and a wall portion extending from it. Key specifications include a ratio of tensile stress to shear stress, which must be 1.70 or less at specific elongation and shear strain levels, and a minimum Vickers hardness of 250 at the wall's center. This design aims to optimize the material's performance under stress, ensuring effective shock absorption.
Further claims detail the relationship between the hardness of the ridge and wall portions, with a specified ratio of Vickers hardness indicating a stronger ridge relative to the wall. The shock absorbing member can take various forms, including pillars, side sills, and roof side rails, and may feature a closed cross-section. Additionally, the patent specifies that the member should have a tensile strength of at least 780 MPa, reinforcing its suitability for high-stress environments. Overall, the claims emphasize the importance of material properties and structural design in achieving effective shock absorption.
To know more about GlobalData’s detailed insights on Nippon Steel, buy the report here.
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