Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1994-02-08
1995-10-10
Lin, Kuang Y.
Metal founding
Process
Shaping liquid metal against a forming surface
164415, 164422, 164475, B22D 1106, B22D 1100
Patent
active
054563089
ABSTRACT:
A method and apparatus for manufacturing a thin amorphous metal strip. Molten metal is injected onto a single cooling roll rotating at high speed. A gas flow impeding wall is disposed adjacent to the surface of a cooling roll and extends across the body of the cooling roll. The wall is located upstream of the molten metal injection nozzle. CO.sub.2 gas is jetted along one surface of the gas insulating wall which faces the molten metal injection nozzle and toward the surface of the cooling roll. An atmosphere rich in CO.sub.2 gas is maintained adjacent the roll surface just upstream of the molten metal injection nozzle.
REFERENCES:
patent: 4649984 (1987-03-01), Bedell et al.
patent: 4838341 (1989-06-01), Bye, Jr. et al.
patent: 5301742 (1994-04-01), Sato et al.
Midorikawa Masanao
Ohsu Kenzo
Okabe Seiji
Yamane Hiroshi
Yukumoto Masao
Kawasaki Steel Corporation
Lin Kuang Y.
Miller Austin R.
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