Apparatus for Injection Molding

A nozzle assembly for selectably conveying material in a flowable condition to a cavity of a mold assembly comprises a nozzle body, a removable nozzle tip, a valve pin member extending through the nozzle body and having a tip end for selectably forming a seal with a valve seat to selectably prevent...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ADAS JAMES O, PRUDEN TREVOR
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:	A nozzle assembly for selectably conveying material in a flowable condition to a cavity of a mold assembly comprises a nozzle body, a removable nozzle tip, a valve pin member extending through the nozzle body and having a tip end for selectably forming a seal with a valve seat to selectably prevent passage of material into the mold cavity and a pin guide for guiding the valve pin member, the pin guide being partially received within the nozzle tip and partially received within the nozzle body and having at least one alignment surface on the exterior thereof and cooperating with an aligning surface of the nozzle body to align the pin guide relative to the nozzle body and with an aligning surface of the nozzle tip to align the nozzle tip relative to the pin guide whereby the nozzle tip is aligned relative to the nozzle body.