A method for manufacturing a composite molded article including: preparing a main body member to which a through hole is formed to a peripheral wall by removing a protruding portion protruding from a face of the peripheral wall surrounding a hollow space in the main body member having the hollow space formed therein along the longitudinal direction; setting the main body member in an injection molding die; forming a cushion member molding cavity by the main body member and a molding die face formed inside the injection molding die in the longitudinal direction of the main body member and allowing the through hole to communicate with the cavity; and filling a heated and melted elastic polymer material injected from an injection gate into the cavity and the hollow space from the through hole, thereby forming a cushion member and a filling portion.
Composite molded article and manufacturing method thereof
2015-07-07
Patent
Electronic Resource
English
IPC: | B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29L INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES , Index-Schema für besondere Gegenstände in Verbindung mit Unterklasse B29C / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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