본 발명은 일반적으로 공동 밀봉에 관한 것으로, 예를 들어 자동차의 흡음을 개선하기 위한 것, 차량의 강성을 향상시키기 위한 것 및/또는 공기, 먼지 및 / 또는 수분과 같은 바람직하지 않은 구성 요소가 프레임 내로 들어가는 것을 방지하기 위한 것이다. 보다 상세하게는, 본 발명은 자동차 화이트 바디 시스템에 관한 것이다.

    The present invention relates to a system for scaling a cavity of an automotive vehicle frame, wherein a wall is associated with an automotive vehicle structure; and an expandable material is disposed by an extruder over at least a portion of said wall and in contact with said wall prior to expansion of said expandable material, wherein the expansion rate of the expandable material is at least 400% when exposed to heat usually provided to the vehicle frame during automotive vehicle production and wherein the expandable material is prior and after its disposition to said wall dry to the touch at ambient temperature.


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    Title :

    CAVITY SEALING SYSTEM FOR AUTOMOTIVE VEHICLES


    Additional title:

    자동차의 공동 밀폐 시스템


    Contributors:

    Publication date :

    2021-12-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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