Arc welder

Electric heating – Metal heating – By arc

Reexamination Certificate

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Details

C219S130500, C901S042000

Reexamination Certificate

active

06984805

ABSTRACT:
The present invention provides an arc welder in which a robot controller of a teaching playback type robot and a welding power source are of digital control type and the robot controller and the welding power source are coupled through a bus. A welding condition command required for welding and a real welding condition are transmitted digitally through the bus in a parallel mode.

REFERENCES:
patent: 5233158 (1993-08-01), Karakama et al.
patent: 5812408 (1998-09-01), Karakama et al.
patent: 5834916 (1998-11-01), Shimogama et al.
patent: 6004019 (1999-12-01), Suita et al.
patent: 6021361 (2000-02-01), Taninaga et al.
patent: 0993896 (2000-04-01), None
patent: 60-68167 (1985-04-01), None
patent: 9-85443 (1997-03-01), None
patent: 9-239540 (1997-09-01), None
patent: 10-58157 (1998-03-01), None
patent: 2000-117435 (2000-04-01), None
patent: 2001-1144 (2001-01-01), None
International Search Report for PCT/JP02/09925 dated Dec. 9, 2002 Form PCT/ISA/210 English translation.

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