Laser beam welding

Details Laser beam welding Laser beam welding

1977-07-29

1978-12-05

Truhe, J. V.

Electric heating

Metal heating

By arc

B23K 902

Patent

active

041287533

ABSTRACT:
Laser beam welding apparatus comprising a body with a passage through which the laser beam is directed and focused to a position outside the body closely adjacent to a terminal portion of the passage. A second passage opens into the first to direct a transverse jet of shielding gas to sweep away the plasma formed during welding through an aperture in the opposite wall of the first passage. Since the welding zone is virtually enclosed by the body the incidence of air entrainment by the transverse jet of shielding gas is minimized.

REFERENCES:
patent: 4000392 (1976-12-01), Banas et al.
patent: 4010345 (1977-03-01), Banas et al.
Electronic Packaging & Production, Mar. 1971 pp. 222-224, 226, 228, 230, & 232.

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