Method and apparatus for removing impurities from metallic objec

Details Method and apparatus for removing impurities from metallic objec Method and apparatus for removing impurities from metallic objec

1985-02-19

1988-01-19

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LM, 219121LB, 219121LJ, 219121LH, 219121FS, B23K 2600

Patent

active

047206217

ABSTRACT:
A laser beam which is caused to impinge upon and evaporate rust and/or other oxidation products from the surface of a metallic object is reflected by the exposed surface upon evaporation of impurities and the intensity of the reflected beam is monitored by a detector whose signals are utilized to vary the intensity of the impinging beam, to vary the area of the spot where the beam impinges upon the object and/or to effect relative movements between the impinging beam and the object.

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patent: 4379218 (1983-04-01), Grebe et al.

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