B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/711
B29C 45/28 (2006.01) B29C 45/16 (2006.01) B29C 45/27 (2006.01) B29C 45/32 (2006.01) B29C 33/04 (2006.01)
Patent
CA 2032294
ABSTRACT OF THE DISCLOSURE Multi-cavity injection molding apparatus to coinject pressurized melt from two or more melt sources. An inner melt passage extends through the central bore of a melt distribution plate and an adjacent heated nozzle. The nozzle has a tapered nose portion which extends into an adjacent heated cavity forming insert having a gate leading to one of the cavities. An outer melt passage is separated by curved conduits on opposite faces of the melt distribution plate into four channels which are radially spaced around the central bore of the nozzle. The four channels lead to a melt funnel duct which extends in the adjacent cavity forming insert around the nose portion of the nozzle. Thus the melt from the outer melt passage is evenly distributed around the melt from the inner melt passage when they join just before entering the gate.
Dalesman & Company
Gellert Jobst Ulrich
LandOfFree
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