Vacuum sealing for the discharge nozzle of a casting ladle servi

Details Vacuum sealing for the discharge nozzle of a casting ladle servi Vacuum sealing for the discharge nozzle of a casting ladle servi

1974-10-23

1976-03-30

Reeves, Robert B.

Dispensing

With conveying conduit jacket and/or inert atmosphere...

164 61, 164253, 222541, 222561, B22D 3700, B22D 4108

Patent

active

039469077

ABSTRACT:
A vacuum sealing for the discharge nozzle of a casting ladle as for liquid steel is disclosed. The vacuum sealing, which prevents the penetration of atmospheric gases through the porous refractory discharge nozzle, is arranged in a vacuum-tight manner below the discharge nozzle. The vacuum sealing consists of clingy plastic films or thin metal sheets.

REFERENCES:
patent: 2328267 (1943-08-01), Freeman
patent: 3146503 (1964-09-01), Sickbert

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