B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/74 (2006.01) B29C 45/27 (2006.01)
Patent
CA 2164557
Hot tip injection molding apparatus having a heated melt distribution manifold for conveying melt to a number of gates. A number of nozzle manifolds are closely mounted to the front surface of the heated manifold. Each nozzle manifold has a number of spaced nozzle portions extending from a rear manifold portion. A melt channel branches from an inlet on the rear surface of the rear manifold portion to an outlet on the conical surface of each nozzle portion. The rear surfaces of the nozzle manifolds are rectangular rather than round to improve the efficiency of heat transfer from the heated manifold to the nozzle manifolds.
4437667 Canada Inc.
Gellert Jobst Ulrich
Ridout & Maybee Llp
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