Method of and apparatus for casting metal strip employing a loca

Details Method of and apparatus for casting metal strip employing a loca Method of and apparatus for casting metal strip employing a loca

1986-06-17

1987-03-17

Godici, Nicholas P.

Metal founding

Process

Shaping liquid metal against a forming surface

164254, 164415, 164429, 164437, 164474, 164475, 164479, 164488, 222603, B22D 1106, B22D 1110

Patent

active

046499849

ABSTRACT:
An apparatus for casting metal strip includes a nozzle having an orifice for depositing a stream of molten metal onto a casting region of a moving chill surface. A conditioning shoe is located generally upstream from the nozzle in a direction opposite to the direction of chill surface movement to delimit a conditioning chamber. The conditioning chamber communicates directly with the nozzle orifice and borders at least three sidelines of the chill surface casting portion. A shield for minimizing an intrusion of ambient atmosphere into the conditioning chamber and for deflecting an entrained gas boundary layer carried along by the chill surface is cooperatively connected to the conditioning shoe. Gas control provides a selected, low density atmosphere, such as a partial vacuum, within the conditioning chamber.

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