Spot scarfing nozzle for use in gang arrangement

Details Spot scarfing nozzle for use in gang arrangement Spot scarfing nozzle for use in gang arrangement

1976-12-13

1978-03-14

Stallard, W.

Metal treatment

Compositions

Heat treating

B23K 706

Patent

active

040789500

ABSTRACT:
A scarfing nozzle and method for producing a fin-free scarfing cut at least as wide as the width of the nozzle. The method is characterized by directing a stream of oxygen at the spot to be scarfed from a scarfing nozzle which restricts the flow of oxygen at the edges of the oxygen stream such that the flow at the edges is insufficient to scarf the workpiece but sufficient to oxidize molten metal at the edges of the reaction zone to produce a fin-free scarfing cut at least as wide as the width of the nozzle. The nozzle is particularly useful for spot scarfing in gang arrangement.

REFERENCES:
patent: 1830432 (1931-11-01), Hammon
patent: 1958044 (1934-05-01), Hendricks
patent: 2641312 (1953-06-01), Hughey
patent: 2745475 (1956-05-01), Thompson et al.
patent: 3477646 (1969-11-01), Lytle
patent: 3764122 (1973-10-01), Lytle

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