The invention provides a manhole cover member for a door of an automobile. The manhole cover member can exhibit all of sound insulation performance, sound absorption performance and waterproof performance through a single part. The access hole cover member (100) for the door is formed into a double-layer laminated body in which a buffer layer (110) and a rigid plate member (120) having sound insulation performance are laminated in this order. The buffer layer (110) is formed of a flexible elastic material having sound-absorbing performance and waterproof performance.

    本发明提供一种汽车的门用检修孔盖构件,其可以单一的零件发挥出隔音性能、吸音性能及防水性能的全部的性能。门用检修孔盖构件(100)形成为将缓冲层(110)、具有隔音性能及刚性的板构件(120)依次层叠而成的双层层叠体。缓冲层(110)由具有吸音性能及防水性能的柔性弹性材料形成。


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    Title :

    Manhole cover member for door of automobile


    Additional title:

    汽车的门用检修孔盖构件


    Contributors:
    UEDA KOSUKE (author) / OKADA KAZUHIRO (author) / SABA KEIYA (author)

    Publication date :

    2025-03-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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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