Injection apparatus for introduction of a fluid material into a

Details Injection apparatus for introduction of a fluid material into a Injection apparatus for introduction of a fluid material into a

1986-09-22

1988-08-30

Brody, Christopher W.

Alloys or metallic compositions

Aluminum base

75 68R, 266 47, 266221, 266267, 420590, C22B 2104

Patent

active

047675985

ABSTRACT:
An injection apparatus for introducing fluid material, such as a reactive element to a molten metal bath while resisting undesired oxidation. The injection apparatus consists of a body assembly having a chamber defined therein, and inlet and outlet passageways communicating with the chamber which cooperate to define a passageway therethrough. The lower end of the outlet extends below the surface of the molten metal bath. Purging gas is introduced through a gas inlet and provide a substantially purged atmosphere throughout the molten metal passageway. The atmosphere in the passageway is purged in order that the fluid material can be safely introduced into the molten bath. The injection apparatus is readily assembled and disassembled by means of a unique clamping device employed with the body assembly.

REFERENCES:
patent: 3207597 (1965-09-01), Hashimoto et al.
patent: 3608881 (1971-09-01), Yordanov et al.
patent: 4248630 (1981-02-01), Balmuth
patent: 4295883 (1981-10-01), Lajh

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