Instantaneous scarfing by means of a pilot puddle

Details Instantaneous scarfing by means of a pilot puddle Instantaneous scarfing by means of a pilot puddle

1980-03-04

1981-09-01

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

266 51, 266 53, B23K 700

Patent

active

042870054

ABSTRACT:
A method for spot scarfing a metal workpiece comprising continuously producing a pilot puddle on the surface of the workpiece, spreading the pilot puddle to a preselected width with a high intensity stream of oxygen gas, and impinging a stream of scarfing oxygen gas on the spread puddle and an apparatus to practice same.

REFERENCES:
patent: 3231431 (1966-01-01), Allmang
patent: 3455747 (1969-07-01), Lytle
patent: 3752460 (1973-08-01), Lytle
patent: 3966503 (1976-06-01), Engel
patent: 3991985 (1976-11-01), Engel
patent: 4013486 (1977-03-01), Engel
patent: 4038108 (1977-07-01), Engel et al.
patent: 4040871 (1977-08-01), Engel
patent: 4103877 (1978-08-01), Pfeuffer
patent: 4115154 (1978-09-01), Fuhrhop
patent: 4243436 (1981-01-01), Engel

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