Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Involving measuring – analyzing – or testing
Patent
1997-08-08
1999-06-22
Gorgos, Kathryn
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Involving measuring, analyzing, or testing
205128, 205145, 204471, 204473, 204499, 204512, 204204, 204205, 204228, C25D 2112, C25D 502, C25D 1700, C25D 112
Patent
active
059140224
ABSTRACT:
A method and apparatus for monitoring electrodes for the electrodeposition of paint onto metallic workpieces includes detecting current from the electrodes and displaying a plot of current versus time. A method and apparatus for controlling electrodeposition of paint onto metallic workpieces includes monitoring current from electrodes over time and adjusting a rate of current increase over time. The monitor and/or control may be performed for each electrode individually or for the electrodes as a group. The monitor and/or control allows bad and/or poorly positioned electrodes to be located. The monitor and/or control may be used to stop the electrodeposition coating after a sufficiently thick coating has been obtained.
REFERENCES:
patent: 3855106 (1974-12-01), Campbell et al.
patent: 4240881 (1980-12-01), Stanya
patent: 4517059 (1985-05-01), Loch et al.
patent: 4699694 (1987-10-01), Backelandt et al.
patent: 4824538 (1989-04-01), Hibino et al.
Dobrusin Oleg Vladimir
Lowry Patrick Ross
Smith Roger L.
Gorgos Kathryn
Wong Edna
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