Electric heating – Metal heating – By arc
Patent
1996-01-16
1997-02-18
Shaw, Clifford C.
Electric heating
Metal heating
By arc
21913761, B23K 9133
Patent
active
056038550
ABSTRACT:
A linear drive is provided within this welding device for out a welding operation with an elongated welding electrode. The device advances the electrode towards the welding area as well as for providing the welding current with high efficiency to the welding electrode for the welding operation. The linear drive is provided by a plurality of current conducting elements circulated between two parallel tracks. The elements directly engage with a drive gear mechanism provided within the device, and they also have contact fingers engage with the metal core of the electrode exposed in a plurality of slots formed in the welding flux coating provided on the electrode.
REFERENCES:
patent: 2019970 (1935-11-01), Hopkins
patent: 2133970 (1938-10-01), Christensen et al.
patent: 4954690 (1990-09-01), Kensrue
Shaw Clifford C.
Wong David W.
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