Hot runner nozzle with melt sealing

Details Hot runner nozzle with melt sealing Hot runner nozzle with melt sealing

B - Operations, Transporting

29

C

B29C 45/20 (2006.01) B29C 45/27 (2006.01) B29C 45/74 (2006.01)

Patent

CA 2463402

A modular hot runner nozzle having a variable length includes a first nozzle portion and a second nozzle portion provided in series between a manifold and a mold gate of an injection molding apparatus. The first nozzle portion and the second nozzle portion having respective nozzle channels for delivering the melt stream from the manifold to a mold cavity. A nozzle tip is provided at a forward end of the hot runner nozzle. The nozzle tip and the manifold are generally fixed within the injection molding apparatus so that axial thermal expansion is taken up by a telescoping or a slidable connection that is provided between the first nozzle portion and the second nozzle portion.

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