Electrically heated nozzle for die casting

Details Electrically heated nozzle for die casting Electrically heated nozzle for die casting

1994-05-03

1995-09-05

Paschall, Mark H.

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

2221465, 222593, B67D 562, B22D 41015, B22D 4105, B22D 3506

Patent

active

054486785

ABSTRACT:
An electrically heated nozzle for use in injection molding which is positioned between an injection apparatus and a die casting machine in an injection molding operation. The nozzle transfers molten material such as metal under pressure from the injection apparatus to the die. The nozzle has a refractive core, with a flow passage, surrounded by an intermediate metal core which is heated by a coil of electrical resistance wire to prevent heat loss in the molten metal. A metal sleeve surrounds the coil and the intermediate core. The heating coil is attached to a control box which energizes the coil and controls the temperature.

REFERENCES:
patent: 3385294 (1974-09-01), Krohn et al.
patent: 4010903 (1977-03-01), Sakuri
patent: 4196855 (1980-04-01), Osuna-Diaz
patent: 4386262 (1983-05-01), Gallert
patent: 4501952 (1985-02-01), Lehke
patent: 4568007 (1986-02-01), Fishler
patent: 4635851 (1987-01-01), Zecman
patent: 4638849 (1987-01-01), Whitehorn
patent: 4644140 (1987-02-01), Hillinger
patent: 4898226 (1990-02-01), Teshima
patent: 5315686 (1994-05-01), Caugherty et al.

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