Method of installing a mold gate insert in an injection molding apparatus

An injection molding apparatus including an injection manifold having a manifold melt channel, a mold plate having a mold bore, and a hot runner nozzle located in the mold bore and having a nozzle melt channel. A mold insert including a melt channel includes an upper end adjacent the nozzle, a first...

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Bibliographische Detailangaben
1. Verfasser:	KLOBUCAR PETER
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL 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 WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	An injection molding apparatus including an injection manifold having a manifold melt channel, a mold plate having a mold bore, and a hot runner nozzle located in the mold bore and having a nozzle melt channel. A mold insert including a melt channel includes an upper end adjacent the nozzle, a first outer surface adjacent the upper end, and a lower portion including a second outer surface, wherein the second outer surface is in sealing contact with an inner surface of the mold plate. A mold gate insert retainer includes an inner surface surrounding the first outer surface of the mold gate insert and a threaded outer surface for mating with a threaded inner surface of the nozzle. The first outer surface of the mold gate insert and the inner surface of the mold gate insert retainer are non-threaded. A lower end surface of the mold gate insert may form a wall of the mold cavity and may be angled.