Injection molding nozzle with pressed in heating element and...

Details Injection molding nozzle with pressed in heating element and... Injection molding nozzle with pressed in heating element and...

Category

B - Operations, Transporting

Subcategory

29

Subsubcategory

C

IPC codes

B29C 45/74 (2006.01)

Type

Patent

Patent number

CA 2152664

Description

An injection molding nozzle with an outer collar portion extending around the rear end of an inner core portion. The nozzle has an electrical heating element with a helical portion extending in a spiral groove in the outer surface of the inner core portion. An integral one-piece construction is provided without having to overheat the heating element by the combination of the helical portion of the heating element being press fitted and reshaped into the groove and the outer collar portion and the inner core portion being secured together by a thermosetting ceramic sealant.

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