Method and apparatus for manufacturing a thin metal strip by que

Details Method and apparatus for manufacturing a thin metal strip by que Method and apparatus for manufacturing a thin metal strip by que

1992-07-08

1993-07-27

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164423, 164475, 164415, B22D 1106, B22D 1100

Patent

active

052303810

ABSTRACT:
A gaseous atmosphere having a predetermined composition is formed near an injected molten metal flow and an injection nozzle of the atmospheric gas so as to manufacture a thin metal strip exhibiting excellent surface property. A thin strip manufacturing apparatus includes an injection nozzle 1 for injecting a molten metal onto a cooling roll 2, an atmospheric gas injection nozzle 3 for injecting an atmosphere having a predetermined composition, a sensor 5 for measuring the concentration of the atmospheric gas, a control device 6 for adjusting a flow rate of the atmospheric gas on the basis of the output of the sensor 5, a cover 4 for maintaining the concentration of the atmospheric gas, and a heating device for preventing cooling of the injection nozzle 1.

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