Method and apparatus for surface treating

Details Method and apparatus for surface treating Method and apparatus for surface treating

1984-05-02

1985-10-08

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204 1T, 204 58, 204228, C25D 1102, C25D 2112, C25F 100

Patent

active

045458766

ABSTRACT:
In a surface-treating process, such as anodizing, the current to each one of a plurality of treated articles is monitored separately, and if the current is above or below an acceptable current magnitude, the current to the article is interrupted, and an indication is also provided to identify that the current has been interrupted to the article. The acceptable current ranges are defined by a single calibration device which provides the same current reference control for each article.

REFERENCES:
patent: 3166484 (1965-01-01), Hentz
patent: 3592754 (1971-07-01), Alhara
patent: 3723257 (1973-03-01), Bhattacharyya
patent: 4100036 (1978-07-01), Rode et al.
patent: 4129480 (1978-12-01), Robert
patent: 4461690 (1984-07-01), Rolff et al.

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