Apparatus for clamping an assembly of parts for laser welding

Details Apparatus for clamping an assembly of parts for laser welding Apparatus for clamping an assembly of parts for laser welding

1982-03-11

1984-07-24

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LY, 228183, 269138, 269236, B23K 2700

Patent

active

044619464

ABSTRACT:
An assembly of top and bottom plates spaced apart vertically by peripheral and intermediate spacer bars forming a shelf of freeze drying or other processing equipment, is held together on a movable base support by peripheral clamps mounted removably at selected positions on the base support. A hollow framework carriage is mounted on the base support for movement above and relative to the shelf assembly and it supports a pair of elongated, laterally spaced clamp bars for retractable movement toward and away from the base support for releasably clamping therebetween interposed portions of the shelf assembly. A laser welder then is moved relative to the clamp assembly to weld the components together in the clamped areas. Upon completion of the welding operation, the clamp bars are retracted and the framework moved over the base support and assembly to the area next to be welded, whereupon the clamp bars are extended into clamping position and the welding operation is repeated.

REFERENCES:
patent: 2436941 (1948-03-01), Sendoykas
patent: 2692520 (1954-10-01), Hayes
patent: 2781803 (1957-02-01), Nelson
patent: 3497203 (1970-02-01), Krug et al.
patent: 3987527 (1976-10-01), Meadows
patent: 4152573 (1979-05-01), Saurin et al.
patent: 4223201 (1980-09-01), Peters et al.
patent: 4328410 (1982-05-01), Slivinsky et al.
patent: 4358658 (1982-11-01), Van Blarigan et al.

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