Dispensing – Processes of dispensing – Molten metal
Patent
1978-11-01
1980-08-26
Scherbel, David A.
Dispensing
Processes of dispensing
Molten metal
164336, 222602, 222629, B22D 4110
Patent
active
042191394
ABSTRACT:
A device for metering and transferring liquid metals. It includes a supporting structure and a hollow sleeve open at both ends on the supporting structure. A pouring spout is on one end of the sleeve and has a passageway therethrough communicating with the hollow interior of sleeve. A stopper rod extends into the hollow sleeve from the other end thereof to be shiftable between a position seating on the pouring spout and sealing the passageway therethrough and a position removed from the pouring spout to permit liquid metal to flow into and out of the sleeve. The stopper rod is shiftable between positions and the pouring spout includes a bushing mounted in the passageway and having a threaded opening therethrough and a threaded plug interengaged with the threaded bushing and having an orifice therein to provide for communication between the interior and the exterior of the sleeve through the pouring spout. The device is advantageous for facilitating sealing of the bottom orifice since a crucible of difficult to machine material can be cooperatively arranged with a pouring spout of more easily machinable material to provide the most effective overall crucible structure and an effective seal in the area of the pouring spout. Thus, the structure is effective for bottom pouring crucibles.
REFERENCES:
patent: 2836866 (1958-06-01), McMillin
patent: 3253307 (1966-05-01), Griffiths et al.
patent: 3395840 (1968-08-01), Gardner
patent: 4073414 (1978-02-01), Garab
Albany International Corp.
Scherbel David A.
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