Nozzle

Details Nozzle Nozzle

1996-10-24

1998-04-28

Kastler, Scott

Dispensing

Molten metal dispensing

Gaseous fluid engages molten metal

266220, B22D 4158

Patent

active

057440506

ABSTRACT:
The present invention provides a nozzle for teeming molten metal, particularly molten steel, from a tundish or other receptacle, which nozzle comprises an inlet, an outlet, and inner and outer tubular members which define a bore through the nozzle between the inlet and outlet. The nozzle is characterised in that both of said inner and outer tubular members are constructed from refractory materials, and in that the inner member extends within the outer member to the inlet. The inner and outer ceramic layers thus form a "double-layer" of refractory material up to the extremity of the nozzle at the inlet end.

REFERENCES:
patent: 4923225 (1990-05-01), Luhrsen et al.
patent: 5100035 (1992-03-01), Dunworth et al.
patent: 5137189 (1992-08-01), Hall et al.

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