Workpiece welding process

Electric heating – Metal heating – By arc

Reexamination Certificate

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Details

C219S1370WM

Reexamination Certificate

active

07015417

ABSTRACT:
A laser light L is emitted from a laser light source6to workpieces1, 2, to form a laser molten weld pool3, and immediately thereafter, an arc molten weld pool4is formed using an arc welding machine7; thereby plates1, 2are welded. The arc welding machine7is provided with a filler wire to form a bead5on the plate1. With the welding process according to the present invention, workpieces can be efficiently and securely welded regardless of shape and material of the workpieces.

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Ken Mano et al., “Laser-Arc Fukugo ni yoru Koban no Kosokudo Yosetsu”, Japan Welding Society Zenkoku Taikai Koen Gaiyo, Shadan Hojin Japan Welding Society, 59th series, 1996, pp. 86 to 87. Japanese Text—Only Drawings Considered.

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