Provided are a door inner panel manufacturing method and a door inner panel with which it is possible to ensure the mechanical strength of a side frame that extends in a vertical direction in a relatively narrow region serving as a window frame. This door inner panel manufacturing method is a method for manufacturing a door inner panel that includes a side frame which extends in a vertical direction and which is molded integrally using a composite material X including reinforcing fibers dispersed in an in-plane direction, and an injection molding material Y, the manufacturing method including the following steps (1) to (4): (1) a step for arranging the composite material X on a molding fixed die; (2) a step for lowering a molding moveable die to cause the molding moveable die to come into contact with the composite material X; (3) a step for injecting the injection molding material Y into a molding die; and (4) a step for pressing the composite material X and the injection molding material Y inside the molding die to integrally mold the door inner panel.


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    Title :

    DOOR INNER PANEL MANUFACTURING METHOD, AND DOOR INNER PANEL


    Additional title:

    VERFAHREN ZUR HERSTELLUNG EINER TÜRINNENVERKLEIDUNG UND TÜRINNENVERKLEIDUNG
    PROCÉDÉ DE FABRICATION DE PANNEAU INTERNE DE PORTE ET PANNEAU INTERNE DE PORTE


    Contributors:

    Publication date :

    2025-07-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS



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