Device for preventing ladle nozzle leaks

Details Device for preventing ladle nozzle leaks Device for preventing ladle nozzle leaks

1975-10-03

1976-07-13

Tollberg, Stanley H.

Dispensing

With flow controller or closure

Plug

266272, B22D 4110

Patent

active

039689085

ABSTRACT:
A closure device for use in preventing leakage of molten steel or other metal from the nozzle of a metal ladle comprises a pair of generally vertical elongated jaw members spaced and hinged at their bottom ends to a base member, the jaws and the base member being sized to permit insertion of the assembly into the bore of the nozzle. Immediately below the base member, there is positioned a washer plate having a size sufficient to block the bore of the nozzle. Passing upwardly through the plate and extending into the space between the jaw members there is a threaded rod provided at its upper end with an enlarged head contacting the opposed inner faces of the jaw members. The lower end of the rod below the washer is threadedly engaged to a wing nut which is manually operated.

REFERENCES:
patent: 2115535 (1938-04-01), O'Neil
patent: 2328267 (1943-08-01), Freeman
patent: 3511261 (1970-05-01), Bick et al.
patent: 3779742 (1973-12-01), Fehling et al.

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