Lead casting seal

Details Lead casting seal Lead casting seal

1977-07-28

1979-04-24

Lazarus, Richard B.

Metal founding

Means to shape metallic material

Continuous or semicontinuous casting

164418, 164443, B22D 1110, B22D 11124

Patent

active

041507142

ABSTRACT:
Apparatus for continuously casting lead strip at various rates upwards of about 8 ft. per minute including a nonturbulent, constant-head, constant-temperature source of dross-free melt, an open-ended casting nozzle, an insulator thermally isolating the nozzle from the source and an aromatic polyimide seal at the inlet of the nozzle. Melt is pumped upwardly through a standpipe which is open midway to the nozzle. An adjustable weir atop the standpipe controls the metalostatic head above the casting nozzle, and a reversible pump permits ready aborting of a casting run.

REFERENCES:
patent: 2176990 (1939-10-01), Crampton
patent: 2367148 (1945-01-01), Smart, Jr. et al.
patent: 3329200 (1967-07-01), Craig
patent: 3375107 (1968-03-01), Kranz
patent: 3463220 (1969-08-01), Moritz
patent: 3593778 (1971-07-01), Foye
patent: 3788651 (1974-01-01), Brown et al.
patent: 3905418 (1975-09-01), Watts
patent: 3921703 (1975-11-01), Rohde et al.

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