Stick electrode

Electric heating – Metal heating – Weld rod structure

Reexamination Certificate

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Details

C219S145230, C219S146520

Reexamination Certificate

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07087859

ABSTRACT:
A welding electrode comprising a metal core and a flux coating at least partially coated on an outer surface of said metal core, and also including a end coating material which at least partially inhibits porosity of a weld bead formed during the welding operation.

REFERENCES:
patent: 2909778 (1959-10-01), Landis et al.
patent: 3542998 (1970-11-01), De Huff
patent: 3778588 (1973-12-01), Bishel
patent: 4673796 (1987-06-01), Kiilunen
patent: 6153847 (2000-11-01), Nakatani et al.
patent: 6608286 (2003-08-01), Jiang
patent: 6939413 (2005-09-01), Crockett

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