A manufacturing method of a molded product forms a vacant space inside. The manufacturing method of a molded product of the present invention comprises the steps of: providing a mold having a fixed shape and a core material fixated inside; inserting a molding material in a cavity of the mold; solidifying the molding material inside the mold; separating the solidified molded product from the mold; and removing the core material from the inside of the separated molded product. A core material discharging hole having the exposed core material is formed on the molded product. The core material can be crushed into particles by physical shocks. Provided is the manufacturing method of a molded product, which can recycle the core.

    본 발명의 성형물의 제조방법은 내부에 빈 공간이 형성된 성형물의 제조방법으로서, 소정의 형상을 가지고 내부에 심재가 고정된 금형을 제공하는 단계와, 상기 금형의 캐버티에 성형재료를 주입하는 단계와, 상기 금형 내부에서 성형재료를 응고시키는 단계와, 상기 응고된 성형물을 금형에서 분리하는 단계와, 상기 분리된 성형물 내부에 있는 심재를 제거하는 단계를 포함하고, 상기 성형물에는 심재가 노출되는 심재 배출홀이 형성되어 있고, 상기 심재는 물리적 충격에 의하여 입자 상태로 분쇄가 가능한 것을 특징으로 한다.


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    Title :

    METHODE FOR MOLDING


    Additional title:

    성형물의 제조방법


    Contributors:

    Publication date :

    2016-09-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60C VEHICLE TYRES , Fahrzeugreifen / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand



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