To reduce the weight of a vehicular roof panel and secure rigidity at low costs.SOLUTION: A roof panel 3 made of a thermoplastic resin is joined to a roof reinforcement 24 extending in a vehicle width direction at a vehicle upper part and has: a panel body 31; and multiple thick ribs 32 integrally molded with a lower surface of the panel body 31 and extending in a vehicle fore and aft direction spaced apart from each other in the vehicle width direction. The thick rib 32 has: a first thick area 32a having a maximum thickness and joined to the roof reinforcement 24; and a second thick area 32b located adjacent to the first thick area 32a and having a thickness which reduces in a direction away from the first thick area 32a.SELECTED DRAWING: Figure 3

    【課題】車両用ルーフパネルの軽量化と剛性確保を低コストで両立させる。【解決手段】車両上部で車両幅方向に延びるルーフリンフォース24に接合される熱可塑性樹脂製のルーフパネル3は、パネル本体31と、パネル本体31の下面に一体成形され、車両幅方向に間隔を置いて車両前後方向に延びる複数の厚肉リブ32と、を有し、厚肉リブ32は、厚みが最大でルーフリンフォース24に接合される第1の厚肉領域32aと、第1の厚肉領域32aに隣接し、第1の厚肉領域32aから離れるにつれて厚みが減少する第2の厚肉領域32bとを有している。【選択図】図3


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    Title :

    ROOF PANEL AND VEHICULAR ROOF STRUCTURE


    Additional title:

    ルーフパネルおよび車両用ルーフ構造


    Contributors:

    Publication date :

    2023-07-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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