The present invention relates to an open core crash pad and a manufacturing method thereof, and more specifically, to an open core crash pad comprising a basic material, a surface material, a foaming layer, and a foam tape, and a manufacturing method thereof. The surface material is in contact with the basic material to include a forming space. The foaming layer is formed by injecting foaming liquid into the forming space. The foam tape prevents overflowing of foaming liquid. The basic material includes a protruding part protruding from a part in contact with an end part inside the foam tape to prevent adhesion between the foaming liquid and the foam tape. The surface material includes a weakening section formed in such a manner that a recess is formed on a part in contact with the protruding part to easily remove the foam tape after finishing sealing of the foaming layer. So, the protruding part and the surface material are in contact with each other to function as final foaming sealing, and the foam tape is removed together with a part of the surface material such that the foam tape is not separated, thereby improving quality.

    본 발명은 오픈코어 크래쉬패드 및 이의 제조방법에 관한 것으로서, 보다 상세하게는 기재와, 성형공간을 포함하도록 상기 기재와 맞닿아 있는 표피재와, 상기 성형공간에 발포액을 주입하여 발포 성형한 발포층, 및 발포액 넘침을 방지하는 폼테잎을 포함하고, 상기 기재는 상기 폼테잎의 내측으로 상기 말단부와 맞닿는 부분에 돌출형성된 돌기부를 포함하여 발포액과 폼테잎의 접착을 방지하고, 상기 표피재는 상기 돌기부와 맞닿는 부분에 함입형성된 약화구간을 포함하여 발포층의 실링이 마무리된 뒤폼테잎을 용이하게 제거할 수 있도록 함으로써, 상기 돌기부와 표피재가 맞닿아 최종 발포 실링 역할을 하고 폼테잎을 일부 표피재와 함께 제거해 버리므로 폼테잎의 들뜸현상이 없어 품질이 향상된 오픈코어 크래쉬패드 및 이의 제조방법에 관한 것이다.


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    Title :

    OPEN CORE CRASH PAD AND PROCESS FOR MANUFACTURING THEREOF


    Additional title:

    오픈코어 크래쉬패드 및 이의 제조방법


    Contributors:

    Publication date :

    2016-06-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS



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