Device for lengthening the runner stroke in an injection moulding die

The device has a main runner (a), a movable lengthening runner (b) with a guide roller and an immovable guide plate (c), and a slide valve with two guide rollers (d, e). The guide roller (e) is moved into the main runner during opening process of an injection mold, and the guide roller (d) is fasten...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OTTE, ROLAND, BERNOEGGER, THOMAS
Format:	Patent
Sprache:	eng ; fre ; ger
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:	The device has a main runner (a), a movable lengthening runner (b) with a guide roller and an immovable guide plate (c), and a slide valve with two guide rollers (d, e). The guide roller (e) is moved into the main runner during opening process of an injection mold, and the guide roller (d) is fastened to the movable lengthening runner and engaged to the guide plate. The guide rollers of the slide valve are moved into the lengthening runner, where the lengthening runner is pulled away by the guide plate in z-direction. An independent claim is also included for a method for lengthening a runner stroke in an injection mold.