INJECTION MOLD AND EJECTING METHOD FOR MOLDED ARTICLE

PURPOSE: To provide a molding die, with which even a small component can be injection-molded, and an ejecting method for the component by a method wherein a stripper jig is moved two-dimensionally so as to overlap not with a through hole but with a cavity before mold clamping and stand by nearly the...

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Bibliographische Detailangaben
1. Verfasser:	KAMIMURA NOBUO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 provide a molding die, with which even a small component can be injection-molded, and an ejecting method for the component by a method wherein a stripper jig is moved two-dimensionally so as to overlap not with a through hole but with a cavity before mold clamping and stand by nearly the cavity after the mold clamping. CONSTITUTION: A fixed retainer plate 2 at the upper part of an injection mold, a movable retainer plate 1 at its intermediate part and an ejector plate 5 at its lower part are respectively under their opened states and vertically movable. The inclined plane 9a of the return pin 9 of the fixed retainer plate 2 engages with the return pin hole 3c of a stripper jig 3 so as to move the stripper jig 3 in the direction parting from a cavity in order to start mold clamping. When the under surface of a molded article exceeds beyond the top surface of the stripper jig 3 after the completion of molding, the stripper jig 3 is moved towards the cavity.