Dispensing – Molten metal dispensing
Patent
1977-08-01
1979-05-15
Lazarus, Richard B.
Dispensing
Molten metal dispensing
164423, 164437, B22D 4108, B22D 1100, B22D 1110
Patent
active
041543807
ABSTRACT:
Metal filament forming apparatus including a casting crucible having a tapping orifice and a casting nozzle for ejecting molten metal from the crucible are described. The casting nozzle is characterized by having an externally replaceable orifice member. The casting nozzle comprises three parts: (1) a nozzle body providing a conduit for the molten metal in association with the tapping orifice; (2) a replaceable orifice member positioned at the lower end of the nozzle body; and (3) retaining means for holding the replaceable orifice member in sealing engagement with the nozzle body. The crucible is preferably provided with a stopper rod to permit discontinuation of metal flow through the nozzle, while holding molten metal in the crucible.
REFERENCES:
patent: 3522835 (1970-08-01), Khimich
patent: 3735906 (1973-05-01), Zettlemoyer
patent: 3949905 (1976-04-01), Nikolov et al.
patent: 3982582 (1976-09-01), Knorr et al.
Allied Chemical Corporation
Brown John S.
Collins David W.
Fuchs Gerhard H,.
Lazarus Richard B.
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