High accuracy injector for die casting machines affording automa

Details High accuracy injector for die casting machines affording automa High accuracy injector for die casting machines affording automa

1981-10-16

1984-01-31

Hampilos, Gus T.

Metal founding

Control means responsive to or actuated by means sensing or...

Control of feed material enroute to shaping area

164457, 222596, B22D 1704, B22D 1730

Patent

active

044284136

ABSTRACT:
A melting pot reservoir for non-ferrous metals and the like to be die cast in a cold chamber mold is provided with a pumping mechanism having a displacement plunger for metering out by displacement from the reservoir an exact volume of molten material into the mold. This same plunger is provided with a vernier adjustment and accompanying control circuit that automatically moves the plunger an increment into the molten material after each charge the precise amount to restore the molten material level to a predetermined optimum datum level for delivery of exactly the precise amount of charge into the cold chamber.

REFERENCES:
patent: 3128912 (1964-04-01), Cash
patent: 3591052 (1971-07-01), Nef
patent: 3951199 (1976-04-01), Pereira
patent: 4085791 (1978-04-01), Kaiser

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