A top sheet (210), two walls (221, 222), and two ridge portions (231, 232) are provided, tensile strengths of the top sheet (210) and the walls (221, 222) are 1470 MPa or more, each of the two ridge portions (231, 232) extend between the top sheet (210) and the walls (221, 222), in a longitudinal direction of the top sheet (210), and a cross section of a center portion in the longitudinal direction is an open cross section having a groove shape. In the cross section, the top sheet (210) includes a central groove part (260) extending in the longitudinal direction at a center of a width and a small groove part between the central groove part (260) and each of the ridge portions (231, 232), and a depth of the groove part at the center is 15 times or more and 25 times or less a sheet thickness of the top sheet (210), a depth of each of the small groove parts (240, 250) is 2 times or more and 13 times or less the sheet thickness, and an interval between each of the small groove parts (240, 250) and the ridge portion (231, 232) is 30 times or less the sheet thickness.


    Access

    Download


    Export, share and cite



    Title :

    OPEN CROSS SECTION BUMPER REINFORCEMENT


    Contributors:

    Publication date :

    2025-02-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    Open cross-section bumper reinforcement

    SAITO MASAHIRO / ITO YASUHIRO / YOSHIDA HIROSHI et al. | European Patent Office | 2024

    Free access

    BUMPER REINFORCEMENT WITH OPEN CROSS SECTION

    SAITO MASAHIRO / ITO YASUHIRO / YOSHIDA HIROSHI et al. | European Patent Office | 2023

    Free access

    BUMPER REINFORCEMENT WITH OPEN CROSS SECTION

    SAITO MASAHIRO / ITO YASUHIRO / YOSHIDA HIROSHI et al. | European Patent Office | 2025

    Free access

    BUMPER REINFORCEMENT

    OTAKE KAZUKI / HISADA KOHEI | European Patent Office | 2019

    Free access

    BUMPER REINFORCEMENT

    TATSUNO NORIYUKI | European Patent Office | 2018

    Free access