Valve suitable for controlling teeming from furnace tapholes

Details Valve suitable for controlling teeming from furnace tapholes Valve suitable for controlling teeming from furnace tapholes

1982-04-22

1984-07-03

Rolla, Joseph J.

Dispensing

Molten metal dispensing

Flow controllers or assists

222597, 222594, 222591, B22D 4100

Patent

active

044574592

ABSTRACT:
Metal flow from furnace taphole to a pouring trough is controlled by a valve interposed therebetween, the valve having a stationary orificed valve plate and a companion slide plate for closing or opening the orifice to flow. An actuating beam member forming part of a parallel motion linkage extends upwardly and obliquely from the slide plate, the actuating member being thrust against the slide plate by a swinging spring strut of the linkage. A ram connected to the linkage via a crank, a shaft and a pivoted lever displaces the linkage when extended or contracted and this moves the actuating member along a predetermined path, its oblique attitude being preserved, to open or shut the valve.

REFERENCES:
patent: 3901418 (1975-08-01), Klaus et al.
patent: 3937372 (1976-02-01), Bode

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