To provide a back door capable of suppressing deformation of an outer panel even when an inner panel is joined to the outer panel.SOLUTION: A back door 1 includes an inner panel 4, an outer panel 5 that has a linear expansion coefficient K2 different from a linear expansion coefficient K1 of the inner panel 4 and is provided with an opening part 5a, and an annular waterproof member 6 that is provided between the inner panel 4 and the outer panel 5 to surround the periphery of the opening part 5a. The annular waterproof member 6 includes a lower side section in a gravity direction with respect to the opening part 5a, which is composed of an adhesive 6a, and an upper side section, which is composed of a sponge seal member 6b including an adhesive and a sponge. The outer panel 5 has a drain port 5b located below the opening part 5a in a region surrounded with the annular waterproof member 6.SELECTED DRAWING: Figure 2

    【課題】インナパネルとアウタパネルとを接合しても、アウタパネルの変形を抑制することができるバックドアを提供する。【解決手段】バックドア1は、インナパネル4と、インナパネル4の線膨張係数K1と異なる線膨張係数K2とを有し開口部5aが設けられたアウタパネル5とを備え、インナパネル4とアウタパネル5との間に設けられ開口部5aの周りを囲む環状防水部材6を有し、環状防水部材6は、開口部5aに対して重力方向の下側部分が接着剤6aで構成され、上側部分が接着剤およびスポンジからなるスポンジシール部材6bで構成され、アウタパネル5が、環状防水部材6により囲まれた領域内であって、開口部5aよりも下側に位置する排水口5bを有する。【選択図】図2


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    Titel :

    BACK DOOR


    Weitere Titelangaben:

    バックドア


    Beteiligte:

    Erscheinungsdatum :

    03.09.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge



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