A consolidation system configured to consolidate a bulk molding compound, the apparatus comprises a barrel, a low compression first stage within the barrel, a high compression second stage within the barrel coupled with the low compression first stage, a die breaker coupled to the high compression second stage, and an extrusion die coupled to the die breaker. The low compression first stage includes a low compression screw for mixing and compressing a bulk molding compound comprising a resin and fillers. The high compression second stage includes a high compression screw for compressing the bulk molding compound into a compressed material. The die breaker comprises at least one of a plurality of holes or a plurality of slots.


    Access

    Download


    Export, share and cite



    Title :

    2-stage extrusion apparatus and method of extrusion


    Contributors:

    Publication date :

    2021-03-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29K Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand



    2-STAGE EXTRUSION APPARATUS AND METHOD OF EXTRUSION

    SONG WEIDONG | European Patent Office | 2018

    Free access

    2-stage extrusion apparatus and method of extrusion

    SONG WEIDONG | European Patent Office | 2018

    Free access

    Extrusion apparatus and method using variable extrusion gate

    SONG WEIDONG / OLBERG JEFFREY H / LANGABEER JAMIE J | European Patent Office | 2018

    Free access

    Extrusion

    PATSY JR GLORIO J | European Patent Office | 2016

    Free access

    EXTRUSION MEMBER

    HOSOI HIROAKI / SHIKAMA TAKAHIRO | European Patent Office | 2017

    Free access