INJECTION FOAM MOLDING MACHINE

PROBLEM TO BE SOLVED: To provide an injection foam molding machine low in cost by reducing the number of core-back devices and miniaturizing them, and to provide an injection molding machine prevented from reduction of core-back resisting force and reduction of mold opening speed by applying an unlo...

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Bibliographische Detailangaben
Hauptverfasser:	IRIE TAKEHIRO, SUGIURA KEIJIRO, KARIYA TOSHIHIKO, FUJITA SABURO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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:	PROBLEM TO BE SOLVED: To provide an injection foam molding machine low in cost by reducing the number of core-back devices and miniaturizing them, and to provide an injection molding machine prevented from reduction of core-back resisting force and reduction of mold opening speed by applying an unloading oil in a hydraulic circuit to a mold opening oil chamber of a clamping cylinder in core-back operation. SOLUTION: The injection foam molding machine includes a program for core-back use for performing simultaneous operation control using two sets of mold opening/closing actuators and two sets of devices for core-back use in foam core-back operation for separating a movable mold platen 3 from a fixed mold platen 2. COPYRIGHT: (C)2011,JPO&INPIT