Dispensing – Molten metal dispensing – Flow controllers or assists
Patent
1978-11-01
1980-11-04
Scherbel, David A.
Dispensing
Molten metal dispensing
Flow controllers or assists
222149, B22D 3900, B22D 4110
Patent
active
042314984
ABSTRACT:
A device for metering and transferring liquid metals. It includes a supporting structure and, a hollow sleeve on the supporting structure open at both ends. A pouring spout is on one end and has an orifice therethrough communicating with the hollow interior of the sleeve. A stopper rod extends into the sleeve from the other end thereof to be shiftable between a position seating on the pouring spout and sealing the orifice therein at a position removed from the pouring spout to permit liquid metal to flow into and out of the sleeve. At least a portion of the stopper rod which seats on the pouring spout and the portion of the pouring spout in engagement with the stopper rod are formed of graphite material. Other portions of the device are formed of a ni-resist alloy with a layer of oxide formed on those surfaces of the ni-resist alloy which are brought into contact with the liquid metal to increase the chemical resistance of those surfaces to the liquid metal being metered and transferred.
REFERENCES:
patent: 1832873 (1931-11-01), Milner
patent: 3628706 (1971-12-01), Todd
patent: 4073414 (1978-02-01), Garab
Albany International Corp.
Scherbel David A.
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