Limit stop for controlling stopper rod travel in a bottom pour l

Details Limit stop for controlling stopper rod travel in a bottom pour l Limit stop for controlling stopper rod travel in a bottom pour l

1979-08-03

1981-03-31

Scherbel, David A.

Dispensing

Molten metal dispensing

Flow controllers or assists

222504, 251234, 251285, B22D 4110

Patent

active

042588685

ABSTRACT:
A ladle for the pouring of a heated molten material such as iron or the like includes a ladle body defining a chamber for holding a heated molten material. There is a bottom pour opening in the chamber and a stopper rod is movable between open and closed positions relative to the pour opening to control the flow of molten material therethrough. An arm is pivotally supported on the side of the ladle and in turn is pivotally connected to the stopper rod. An air cylinder is attached to the arm for causing movement thereof to thereby effect movement of the stopper rod between the described open and closed positions. There is an adjustable rod positioned between the air cylinder causing movement of the pivotal arm and the point of pivotal attachment of the arm to the ladle to thereby control the length of travel of the stopper rod and thus the degree to which the pour opening is exposed by the stopper rod.

REFERENCES:
patent: 3012373 (1961-12-01), Willis
patent: 3299706 (1967-01-01), Bailey et al.
patent: 3370466 (1968-02-01), Chang
patent: 3395908 (1968-08-01), Woodcock
patent: 3486660 (1969-12-01), Heintz
patent: 3667296 (1972-06-01), Schiefer et al.
patent: 3703248 (1972-11-01), Seaton
patent: 3733014 (1973-05-01), Pflaum
patent: 3762605 (1973-10-01), Seaton
patent: 3896671 (1975-07-01), Marinaccio
patent: 3944845 (1976-03-01), Luteran
patent: 4037761 (1977-07-01), Kemlo et al.

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