Electric heating – Metal heating – By arc
Patent
1994-04-13
1997-03-25
Walberg, Teresa J.
Electric heating
Metal heating
By arc
21912182, 219102, 219103, 219161, B23K 2602, B23K 3704
Patent
active
056141122
ABSTRACT:
An installation for positioning edge to edge and welding by means of a laser beam at least two sheet blanks comprises means for supporting and positioning a first sheet blank in a horizontal reference plane, means for positioning the edge to be welded of the first sheet blank on the axis of the laser beam, means for maintaining the edge to be welded of the first sheet blank, means for clamping the first sheet blank, means for supporting and positioning at least one second sheet blank, means for maintaining the edge to be welded of the second sheet blank against the edge to be welded of the first sheet blank, means for clamping with a sectorized pressure the second sheet blank, means for exerting a lateral and sectorized pressure on the edges to be welded of the sheet blanks, and a welding unit employing a laser beam movable along the joint plane of the sheet blanks to be welded.
REFERENCES:
patent: 2705514 (1955-04-01), Reece
patent: 4721241 (1988-01-01), Yuasa et al.
patent: 4841907 (1989-06-01), Otsuka
patent: 4912295 (1990-03-01), Arimochi et al.
patent: 5169051 (1992-12-01), Noe 228 5.7
Le Roy Yvon
Peru Gilles
Sauvage Francis
Sion Charles
Pelham J.
Sollac
Walberg Teresa J.
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