Nozzle for continuous casting

Details Nozzle for continuous casting Nozzle for continuous casting

1984-02-06

1986-05-13

Makay, Albert J.

Dispensing

Molten metal dispensing

Gaseous fluid engages molten metal

164415, 164437, 164475, B22D 300

Patent

active

045881120

ABSTRACT:
A nozzle for continuous casting which is capable of uniformly supplying a required amount of gas to the inner wall surface thereof by providing a plurality of communication holes inside the nozzle body between the inner surface thereof and a gas pressure balance chamber disposed inside the nozzle body so as to communicate the chamber with the inner surface, the communication hole having a square measure corresponding to that of a circular hole having a diameter of 1.0 mm or less, and preferably between 0.03 and 0.5 mm. The nozzle body is comprised of a material having 20% or less porosity and containing 50% or more open pores, each having a diameter of 5 .mu.m or less.

REFERENCES:
patent: 3651998 (1972-03-01), Reches
patent: 3771982 (1973-11-01), Dobo
patent: 3908735 (1975-09-01), DiCandia
patent: 4137961 (1979-02-01), Mola
patent: 4203538 (1980-05-01), Luhrsen
patent: 4421257 (1983-12-01), Throwes
patent: 4487251 (1984-12-01), Cahoon et al.

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