RESIN MOLDING APPARATUS AND RESIN MOLDING METHOD

PROBLEM TO BE SOLVED: To form a molded article simply, surely and economically by penetrating a decorative sheet along a first mold and discharging a molten resin.SOLUTION: A resin molding apparatus includes: the first mold T2 provided with a valve gate G2 capable of switching the opening and closin...

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Bibliographische Detailangaben
Hauptverfasser: KATSUMURA KOICHI, KAMIBAYASHI HIROAKI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To form a molded article simply, surely and economically by penetrating a decorative sheet along a first mold and discharging a molten resin.SOLUTION: A resin molding apparatus includes: the first mold T2 provided with a valve gate G2 capable of switching the opening and closing of a resin discharge gate Ga by the in and out state of a valve pin 3; a second mold U for forming a cavity C for molding the resin between the first mold T2 and the second mold U; and a sheet sending device for arranging the decorative sheet 6, forming a decorative layer 2 on the surface of a resin molded article to be molded, along the cavity surface of the first mold T2; wherein the valve pin 3 has a front end part 3a formed to be projected into the inside of the cavity C from the cavity surface of the first mold T2 in a state where the resin discharge gate Ga is closed and a holding mechanism H for holding the decorative sheet 6 so that the front end part 3a penetrates the decorative sheet 6 is provided.