Apparatus for producing metal ribbon

Details Apparatus for producing metal ribbon Apparatus for producing metal ribbon

1979-12-11

1981-11-24

Baldwin, Robert D.

Metal founding

Means to apply vacuum directly to work or to hold or...

Means applying vacuum or suction directly to molten casting...

164415, 164423, B22D 1106

Patent

active

043018556

ABSTRACT:
An apparatus for producing a metal ribbon has a rotary roll. Molten metal is poured from a heated nozzle onto the outer peripheral surface of the roll to form a solidified metal ribbon on the roll surface. To facilitate easy separation of the metal ribbon from the roll surface, a jet of a non-oxidizing gas is directed to the point of separation of the ribbon from the roll surface. The roll surface just upstream of the metal-pouring nozzle is enclosed by a cover the inside of which is evacuated to assure intimate contact of the poured metal with the roll surface and thus improve cooling of the poured metal. A heater is provided in the cover to heat the roll surface just upstream of the metal-pouring nozzle for thereby removing dew droplets and ambient gases from the roll surface whereby the formation of depressions or recesses in the roll-containing ribbon surface is prevented.

REFERENCES:
patent: 745786 (1903-12-01), Cole
patent: 4154283 (1979-05-01), Ray et al.
patent: 4184532 (1980-01-01), Bedell et al.

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