Electric heating – Metal heating – By arc
Patent
1991-05-16
1992-10-13
Albritton, C. L.
Electric heating
Metal heating
By arc
21912163, 21912177, B23K 2600
Patent
active
051553236
ABSTRACT:
A process for laser welding is described where two adjacent focal spots are used in the welding of metals or plastics. The position of these two focal spots are predetermined as to separation and orientation relative to the direction of travel. In the case of making a butt joint between two pieces of metal, one of the two focal spots strikes each of the individual pieces of metal, thereby straddling the butt seam to be welded.
REFERENCES:
patent: 4691093 (1987-09-01), Banas et al.
patent: 4945202 (1990-07-01), Budenbender
Albritton C. L.
Johnson Larry D.
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