SANDWICH INJECTION MOLDING METHOD

PURPOSE:To produce a sandwich molded body of a fiber-reinforced resin with a high strength in a simple manner. CONSTITUTION:A first resin 1 containing a long-fiber material 1a is injected into a cavity 2. Next, before the first resin l is cured, a second resin 3 containing a short-fiber material 3a...

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Bibliographische Detailangaben
Hauptverfasser:	KAJIURA HISANAO, HAMADA TAIJI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To produce a sandwich molded body of a fiber-reinforced resin with a high strength in a simple manner. CONSTITUTION:A first resin 1 containing a long-fiber material 1a is injected into a cavity 2. Next, before the first resin l is cured, a second resin 3 containing a short-fiber material 3a is injected into the cavity 2. In this molding method, the first resin 1a forms a skin layer, and the second resin 3 forms a core layer. In this manner, a fiber-reinforced sandwich injection molded object can be produced by combining superior strength characteristics of a long fiber- reinforced injection molded object and a short fiber-reinforced injection molded object.