A vehicle seat core material includes a molded article that includes thermoplastic resin expanded beads. The molded article has a substantially rectangular shape in a top view, and has a front side and a rear side opposite the front side. The molded article has an average density (Z) of 20 kg/m3 to 50 kg/m3. The molded article includes, on the rear side of the molded article, a rear thin portion having a thickness of 10 mm to 40 mm, the thickness of the rear thin portion being smaller than an average thickness of the molded article. A ratio (Y/Z) of a density (Y) of the rear thin portion to the average density (Z) of the molded article is 1.05 to 3. The rear thin portion of the molded article has a fusion rate of 70% or more.


    Access

    Download


    Export, share and cite



    Title :

    VEHICLE SEAT CORE MATERIAL


    Contributors:

    Publication date :

    2023-06-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C08J Verarbeitung , WORKING-UP / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet




    METHOD FOR MANUFACTURING VEHICLE SEAT CORE MATERIAL AND VEHICLE SEAT CORE MATERIAL

    TAKAYAMA ATSUO / UEGURI MOTOAKI / HASHIMOTO KEIICHI | European Patent Office | 2016

    Free access

    VEHICLE SEAT CORE MATERIAL

    HASHIMOTO KEIICHI / HISAMATSU KATSUNORI / IWASAKI SHOGO | European Patent Office | 2021

    Free access

    VEHICLE SEAT CORE MATERIAL

    HASHIMOTO KEIICHI / HISAMATSU KATSUNORI / IWASAKI SHOGO | European Patent Office | 2021

    Free access

    VEHICLE SEAT CORE MATERIAL

    HASHIMOTO KEIICHI / HISAMATSU KATSUNORI / IWASAKI SHOGO | European Patent Office | 2024

    Free access