Opening for injecting a protective gas into a casting tube

Details Opening for injecting a protective gas into a casting tube Opening for injecting a protective gas into a casting tube

1983-05-13

1985-05-28

Godici, Nicholas P.

Metal founding

Means providing inert or reducing atmosphere

In continuous casting apparatus

164475, 164337, 164259, 222591, B22D 1100

Patent

active

045194386

ABSTRACT:
A casting tube 8 of a refractory material comprises at its upper end a series of openings for the injection of a protective gas, for example argon, to create an atmosphere which protects the incoming molten metal against oxidation and cools the walls of the casting tube. The injection openings are grooves 11 formed in an upper frustoconical part of the casting tube, whose outer surface defines a fixing collar. These grooves are interconnected by an annular passage 12.

REFERENCES:
patent: 4079869 (1978-03-01), Meier et al.

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