Apparatus for unplugging a vessel discharge port

Details Apparatus for unplugging a vessel discharge port Apparatus for unplugging a vessel discharge port

1982-07-09

1984-05-29

Rolla, Joseph J.

Dispensing

Molten metal dispensing

222593, 222603, B22D 4110

Patent

active

044509863

ABSTRACT:
The unplugging apparatus includes an annular member having a refractory ring on its inner surface. A housing is supported by the member and connected to a radially disposed conduit. A tube in the housing is guided for upward movement by the housing. A nozzle may be provided on the upper end of the tube. The tube has a reaction surface within the housing and is adapted to be projected upwardly by gas introduced into the housing from the conduit. The tube has a passage so that the gas from the housing may be discharged through the nozzle.

REFERENCES:
patent: 3201225 (1965-08-01), Haynes
patent: 3743139 (1973-07-01), Lyman
patent: 3794218 (1974-02-01), Yanagida et al.

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