Method and apparatus for thermochemical gas scarfing

Details Method and apparatus for thermochemical gas scarfing Method and apparatus for thermochemical gas scarfing

1974-05-16

1976-06-29

Stallard, W.

Metal treatment

Compositions

Heat treating

266 51, B23K 706, B23K 708

Patent

active

039665046

ABSTRACT:
The present invention relates to a method and an apparatus for initiating and maintaining a thermochemical process of scarfing the surface of a workpiece to remove surface defects like, e.g., cracks, in which there is used a unit of torches, continuously moving in relation to the workpiece, in which a spot or zone in the surface is burnt in oxygen or in other reacting medium.

REFERENCES:
patent: 3230116 (1966-01-01), Wandelt
patent: 3322578 (1967-05-01), Thompson
patent: 3415693 (1968-12-01), Gollwitz
patent: 3647570 (1972-03-01), Lytle
patent: 3752460 (1973-08-01), Lytle

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