Slide closure for the pouring nozzle of a molten metal vessel

Details Slide closure for the pouring nozzle of a molten metal vessel Slide closure for the pouring nozzle of a molten metal vessel

1979-10-11

1981-10-13

Rosenberg, P. D.

Metallurgical apparatus

Means sealing or opening aperture in vessel

By means plugging aperture

C21C 548

Patent

active

042944376

ABSTRACT:
A slide closure for the pouring nozzle of a molten metal vessel of the type comprising a fixed plate attached to the bottom portion of the vessel and a sliding plate pressed against the lower surface of the fixed plate brick, whereby the sliding plate is rotated to open and close the vessel pouring nozzle, and further comprising a supporting member or rotor adapted to be rotated with the sliding plate brick as a unit by a driving source and supporting means for slidably supporting the rotor and pressing the sliding plate brick against the fixed plate brick with a vessel bed plate serving as a supporting point, characterized in that said supporting means comprises a first supporter for surrounding and slidably supporting the rotor and a second supporter fastened to the vessel bed plate by means of pins with a dish spring interposed between the second supporter and the lower side of the annular projection of the first supporter to enclose the latter whereby the second supporter urges the first supporter upwardly.

REFERENCES:
patent: 3436023 (1969-04-01), Thalmann
patent: 3581948 (1971-06-01), Detalle
patent: 4093452 (1978-06-01), Spenceley

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