Method for soldering work pieces

Details Method for soldering work pieces Method for soldering work pieces

2006-03-07

2006-03-07

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

By arc

C219S075000, C219S121460

Reexamination Certificate

active

07009143

ABSTRACT:
The invention describes a method of brazing workpieces (16) with a torch (10), in particular a plasma or welding torch, having an electrode (28), in which a transmitted and/or non-transmitted working arc supplied with power from a power source or a current source (2) is produced in order to generate a plasma beam from a delivered plasma gas, whereby at least one filler material (38) is fed to the seam region of the workpieces (16) to be joined. The filler material (38) is connected to the or to another power source or current source (39). To this end, one potential (40) of the power source or current source (39) is applied to the filler material (38) and the other potential (35, 41) to the workpieces (16). The power source or current source (39) is regulated in such a way that when the filler material (38) is lifted off the workpiece (16) an arc is prevented from being generated.

REFERENCES:
patent: 4087671 (1978-05-01), Essers
patent: 4580026 (1986-04-01), Stoll
patent: 4590358 (1986-05-01), Stol
patent: 4904843 (1990-02-01), Hori et al.
patent: 6198068 (2001-03-01), Lindstrom
patent: 3247433 (1984-07-01), None
patent: 59-215267 (1984-12-01), None
patent: 2000-312975 (2000-11-01), None
patent: WO98/21000 (1998-05-01), None

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