Sliding gate valves and components thereof

Details Sliding gate valves and components thereof Sliding gate valves and components thereof

1983-10-27

1986-07-01

Rolla, Joseph J.

Dispensing

Molten metal dispensing

Flow controllers or assists

2940208, B22D 3700

Patent

active

045975140

ABSTRACT:
Gates for sliding gate valves in which refractory elements are cemented within metal enclosure trays include an inner refractory member that contains the metal pour opening and an outer refractory member that surrounds the inner member. Only the inner member in each gate is designed to be contacted in service by molten metal and is replaceably secured in the tray which have apertures for access of tooling used to displace the inner member out of the tray when replacement of the member is required.

REFERENCES:
patent: 3685707 (1972-08-01), Shapland
patent: 3970283 (1976-07-01), Hind
patent: 4179046 (1979-12-01), Jeschke et al.
patent: 4376501 (1983-03-01), Hafner et al.
patent: 4434540 (1984-03-01), Capelli
patent: 4445262 (1984-05-01), Capelli

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