Stopper means in pouring furnaces

Details Stopper means in pouring furnaces Stopper means in pouring furnaces

1986-02-26

1987-05-19

Rutledge, L. Dewayne

Metallurgical apparatus

Means sealing or opening aperture in vessel

By means plugging aperture

222597, C21C 548

Patent

active

046661344

ABSTRACT:
A stopper means to prevent melt leaving a metallurgical container, comprises at least one stopper rod and a corresponding tapping nozzle having a tap hole for the melt, a plunger being arranged substantially centrally in the stopper rod and being movable up and down through the tapping nozzle in order to prevent blockage of the tap hole. The device is characterized in that the plunger is movable into the tap hole from a normal position, in which the plunger is positioned completely above the maximum level of melt in the container.

REFERENCES:
patent: 3341092 (1967-09-01), Finn
patent: 3892395 (1975-07-01), Hazlehurst

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