Ladle stopper rod control arrangement

Details Ladle stopper rod control arrangement Ladle stopper rod control arrangement

1993-05-19

1994-08-02

Kastler, Scott

Dispensing

Molten metal dispensing

Flow controllers or assists

266236, B22D 4120

Patent

active

053337646

ABSTRACT:
A system for pouring molten material from a ladle having a pouring nozzle and a cooperating stopper rod is shown having a pressure responsive piston and cylinder assembly effective for causing the initial opening of the stopper rod for providing a relatively high rate of flow of molten material through the nozzle; a linear transducer coupled with the piston and cylinder assembly assures that the piston has the opportunity to move a preselected distance within the cylinder to thereby in turn assuring that the stopper rod will also move to a preselected open position with respect to the nozzle.

REFERENCES:
patent: 2832110 (1958-04-01), Carleton, Jr.
patent: 3465811 (1969-09-01), De Castelet
patent: 3733014 (1973-05-01), Pflaum
patent: 3762605 (1973-10-01), Seaton

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