To increase transmission loss of travel noise.SOLUTION: A vehicle panel structure includes a double wall panel 5 in which a core material 51a having at least a predetermined thickness across the whole in-plane directions of an outer wall 21 and an inner wall 22 is encapsulated between the walls 21, 22 opposite to each other, where a specific surface area indicating a surface area relative to a unit volume of the core material 51a is set to 20000 (mm/cm) or more.SELECTED DRAWING: Figure 1

    【課題】走行音の透過損失を向上させること。【解決手段】対向する外壁21と内壁22との間に、これら壁21,22の面内方向全体に渡って少なくとも所定の厚みを有するコア材51aが封入された二重壁パネル5から成り、コア材51aの単位体積に対する表面積を示す比表面積を、20000(mm2/cm3)以上に設定した。【選択図】図1


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    Title :

    VEHICLE PANEL STRUCTURE


    Additional title:

    自動車のパネル構造


    Contributors:

    Publication date :

    2019-08-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse



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