Method or restoring ingot mold stools and closed-bottom ingot mo

Details Method or restoring ingot mold stools and closed-bottom ingot mo Method or restoring ingot mold stools and closed-bottom ingot mo

1977-03-25

1978-05-30

Husar, Francis S.

Metal founding

Process

Shaping liquid metal against a forming surface

164 92, 164 94, 164DIG12, B23K 2300, B22D 1910

Patent

active

RE0296465

ABSTRACT:
A method of repairing large castings, such as ingot molds and mold stools, by employing an aluminothermic reduction reaction without using containment perimeters and without preheating the casting. The resultant repaired article has a metallurgically bonded plug in the hole or eroded surface with a thick abrasion-resistant slag covering over the deposited metal.

REFERENCES:
patent: 3264696 (1966-08-01), Funk
patent: 3340082 (1967-09-01), Meyer et al.
patent: 3357481 (1967-12-01), Snyder
patent: 3396776 (1968-08-01), Funk
patent: 3421570 (1969-01-01), Guntermann
patent: 3540514 (1970-11-01), Hammerton
patent: 3674518 (1972-07-01), Vuaroqueaux
patent: 3856076 (1974-12-01), Adams et al.
patent: 3942578 (1976-03-01), Kachik et al.
patent: 3946793 (1976-03-01), Kachik et al.

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