Molten metal pouring nozzle

Details Molten metal pouring nozzle Molten metal pouring nozzle

1987-10-23

1988-07-12

Rutledge, L. Dewayne

Dispensing

Molten metal dispensing

Gaseous fluid engages molten metal

266220, 266236, B22D 3700

Patent

active

047564520

ABSTRACT:
Disclosed herein is a porous nozzle which is made up of an upper porous brick, a dense brick, and a lower porous brick arranged vertically in layer and a casing surrounding them. The casing is provided with an inert gas supply pipe which leads to the peripheral space of the upper porous brick. The casing is also provided with another inert gas supply pipe which leads to the peripheral space of the lower porous brick.
Disclosed also herein is another porous nozzle which is made up of an upper porous brick, a dense brick, and a lower porous brick arranged vertically in layer and a casing surrounding them. The casing is provided with an inert gas supply pipe which leads to the peripheral space of the lower porous brick which communicates with the peripheral space of the upper porous brick.

REFERENCES:
patent: 3651825 (1972-03-01), Sury
patent: 3651998 (1972-03-01), Rocher
patent: 3773226 (1973-11-01), Kutzer
patent: 3838798 (1974-10-01), Voss
patent: 4108339 (1978-08-01), Lunde
patent: 4360190 (1982-11-01), Ato
patent: 4421257 (1983-12-01), Thrower
patent: 4583721 (1986-04-01), Arakawa et al.
patent: 4660808 (1987-04-01), Daussan et al.
patent: 4708327 (1987-11-01), Waltenspuhl

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