Metallurgical apparatus – Means for holding or supporting work – Receptacle
Reexamination Certificate
2006-08-17
2009-11-03
King, Roy (Department: 1793)
Metallurgical apparatus
Means for holding or supporting work
Receptacle
C266S200000, C266S227000, C266S230000, C222S594000
Reexamination Certificate
active
07611665
ABSTRACT:
The present invention relates to a ladle block for use in a bottom of a molten metal ladle. The ladle block reduces the amount of contaminants, particularly slag, exiting the ladle during casting operations. The ladle block includes a floor defining an outlet and sidewalls substantially orthogonal to the floor. The floor and sidewalls define a channel having dimensions of length, width and height. Channel dimensions are determined from the Froude number, which is based at least partially on the casting flow rate.
REFERENCES:
patent: 4746102 (1988-05-01), Gilles
patent: 5196051 (1993-03-01), Heaslip
patent: 5879616 (1999-03-01), Erny
Dorricott James D.
Heaslip Lawrence J.
Richaud Johan
Clinton Thomas
Fogarty Caitlin
King Roy
Satina Donald M.
Vesuvius Crucible Company
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