Injection molding nozzle with separable core and one-piece colla

Details Injection molding nozzle with separable core and one-piece colla Injection molding nozzle with separable core and one-piece colla

1994-12-28

1996-04-16

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

26432815, 425549, B29C 4520

Patent

active

055076351

ABSTRACT:
An injection molding nozzle with an elongated body removably seated in a one-piece outer collar. The outer collar has a circular insulation flange which seats in the mold to locate the nozzle. The elongated body has an electrical heating element coiled around a central melt channel. Terminal portions of the heating element extend outwardly through a U-shaped opening in the outer collar into a ceramic connector. The connector is secured in place by an inner lip which slides into a groove around the U-shaped opening.

REFERENCES:
patent: 4403405 (1983-09-01), Gellert
patent: 4663811 (1987-05-01), Gellert

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