Device for injecting a treatment gas into a molten metal

Details Device for injecting a treatment gas into a molten metal Device for injecting a treatment gas into a molten metal

2008-04-29

2008-04-29

Kastler, Scott (Department: 1793)

Metallurgical apparatus

With cleaning or lubricating means

C266S268000, C266S269000

Reexamination Certificate

active

10524119

ABSTRACT:
The invention relates to a device (8) which is used to inject a treatment gas into a molten metal contained in a tank (1) and which is designed to be fixed in one of the walls of said tank. The inventive device comprises at least one injection nozzle (18) which is equipped with an end hole (19). Said device is characterised in that it comprises a mobile means (14) which can be manoeuvred from outside of the injection device and which is used to unblock the aforementioned end hole of the nozzle.

REFERENCES:
patent: 570129 (1896-10-01), Hartman
patent: 1034995 (1912-08-01), Gannon
patent: 2261559 (1941-11-01), Osborn
patent: 2922175 (1960-01-01), De Villiers et al.
patent: 4114865 (1978-09-01), McKerrow et al.
patent: 4353530 (1982-10-01), Iyama et al.
patent: 5667687 (1997-09-01), Lange
patent: 5846479 (1998-12-01), English
patent: 29904385 (1999-09-01), None

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