Metal treatment – Compositions – Heat treating
Patent
1975-08-26
1977-08-09
Stallard, W.
Metal treatment
Compositions
Heat treating
B23K 706
Patent
active
040408710
ABSTRACT:
A method for producing an individual, fin-free, spot scarfing cut on the surface of a workpiece characterized by directing at the spot to be scarfed, which has first been brought to a molten state, an oxygen stream at an inclined angle to the work surface, the intensity of said oxygen stream being gradually diminished toward its lateral edges so that the flow of oxygen at the edges of said stream is insufficient to scarf the workpiece, but sufficient to oxidize molten metal at the edges of the scarfing reaction zone, thereby preventing molten metal from solidifying on the work surface along the edges of the scarfing cut in an unoxidized state.
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Kastriner Lawrence G.
Lee, Jr. Warrick E.
Stallard W.
Union Carbide Corporation
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