Metal working – Method of mechanical manufacture – Electrical device making
Patent
1994-02-07
1995-07-18
Arbes, Carl J.
Metal working
Method of mechanical manufacture
Electrical device making
21914521, 21914523, H01R 4300
Patent
active
054329973
ABSTRACT:
The elongated welding electrode made with this continuous manufacturing method is suitable for use in a continuous welding operation and it has a high conduction characteristic for the welding current. In the sequential process, an elongated welding metal wire core is continuously passed through a coating station in which a wet welding flux material is coated onto its surface. The coated wire is then passed through a pre-drying station for removing most of the moisture content from the flux material coating. The mostly dried coated wire is advanced to an abrasion station in which transverse slots are formed at evenly spaced distance along its length to form the interim welding electrode having the flux material coating in equal length segments. The wire core is exposed in the slots between the segments. A selected length of the interim electrode is then wound on a dispensing reel. Finally, a controlled amount of electric current is passed through the interim electrode wound on the reel such that heat is generated in the wire core to dry the welding flux coating completely.
REFERENCES:
patent: 1884713 (1932-10-01), Jerabek
patent: 2249085 (1941-07-01), Lange
patent: 2308700 (1943-01-01), Mansfield
patent: 4552599 (1985-11-01), Masuda et al.
patent: 5199162 (1993-04-01), Groos
Arbes Carl J.
Wong David W.
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