Method of repairing damaged ingot moid handling lugs

Details Method of repairing damaged ingot moid handling lugs Method of repairing damaged ingot moid handling lugs

B - Operations, Transporting

22

C

22/157

B22C 9/12 (2006.01) B22D 7/06 (2006.01) B23P 6/04 (2006.01)

Patent

CA 1078133

METHOD OF REPAIRING DAMAGED INGOT MOLD HANDLING LUGS ABSTRACT OF THE DISCLOSURE A method for repairing damaged ingot mold handling lugs wherein a refractory perimeter is placed around the damaged lug and sand is deposited against the undamaged surfaces of the existing lug so that a cavity is formed adjacent to the damaged surface of the lug. An aluminothermic reaction mixture is then placed within the perimeter and ignited causing molten metal to fill and solidify within the cavity. Finally, the refractory perimeter, sand and reaction product slag are removed, and the deposited metal shaped as desired.

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