A method for producing a molded article of the present invention is a method for producing a molded article having an empty space formed therein and comprises the steps of: providing a mold having a predetermined shape and having a core material fixed therein; injecting a molding material in the cavity of the mold; coagulating the molding material within the mold; separating the coagulated molded article from the mold; and removing the core material inside the separated molded article, wherein the molded article has formed thereon a core material discharge hole having the core material exposed therefrom, and the core material may be pulverized into a particle state by means of physical impact.

    Un procédé de production d'un objet moulé de la présente invention est un procédé de production d'un objet moulé présentant un espace vide formé en son sein et comprend les étapes consistant à : prendre un moule présentant une forme prédéterminée et présentant un matériau de noyau fixé en son sein; injecter un matériau de moulage dans la cavité du moule; coaguler le matériau de moulage dans le moule; séparer l'objet moulé coagulé du moule; et éliminer le matériau de noyau à l'intérieur de l'article moulé séparé, un trou d'évacuation du matériau de noyau, à partir duquel le matériau de noyau est visible, étant formé sur l'objet moulé et le matériau de noyau pouvant être pulvérisé dans un état particulaire au moyen d'un impact physique.

    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 :

    METHOD FOR PRODUCING MOLDED ARTICLE


    Additional title:

    PROCÉDÉ DE PRODUCTION D'UN OBJET MOULÉ
    성형물의 제조방법


    Contributors:

    Publication date :

    2017-04-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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



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