Cleaning and liquid contact with solids – Processes – Longitudinally traveling work of bar – strip – strand – sheet...
Patent
1997-05-02
1998-07-21
Warden, Jill
Cleaning and liquid contact with solids
Processes
Longitudinally traveling work of bar, strip, strand, sheet...
219136, B08B 102, B23K 900
Patent
active
057829870
ABSTRACT:
A cleaning method and apparatus for a MIG welding apparatus has a pressurized gas conduit which directs a jet of compressed air at a welding wire extending between an outfeed of drive rolls and an inlet of the wire liner of a conventional MIG welder. The nozzle has an adjustment structure to facilitate adjustment of an angle of discharge of the air jet relative to the wire axis, one type of structure being at least one loop within the conduit. One or more loops within the conduit also effectively increase length of the conduit so as to enhance vibration of the nozzle which causes transverse oscillation of the nozzle. Oscillation of the nozzle causes the air jet to sweep rapidly back and forth across the wire, removing any foreign matter carried on the wire. This reduces chances of the wire jamming in the liner which tends to occur with prior art MIG welder due to foreign matter on the wire being carried into the liner.
REFERENCES:
patent: 2646649 (1953-08-01), Rhodes et al.
patent: 2829236 (1958-04-01), Spencer
patent: 3204080 (1965-08-01), Spencer
patent: 3239120 (1966-03-01), Bosteels
patent: 5304254 (1994-04-01), Chino et al.
Chaudhry Saeed
Warden Jill
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