Injection molding heated nozzle with protective tubes

Details Injection molding heated nozzle with protective tubes Injection molding heated nozzle with protective tubes

B - Operations, Transporting

29

C

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

Patent

CA 2129286

An injection molding nozzle with a collar having two segments mounted around the rear end of an elongated central body having a hollow central core. A helical portion of an electrical heating element is cast in a copper alloy conductive portion around the central core. The heating element has a pair of lead portions which extend outwardly through the collar into a ceramic insulative connector. The lead portions extend in stainless steel protective tubes having inner ends rigidly cast in the copper alloy conductive portion over which the insulative connector is mounted.

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