Galvanizing continuous elements with prevention of corrosion of

Details Galvanizing continuous elements with prevention of corrosion of Galvanizing continuous elements with prevention of corrosion of

1975-01-06

1976-03-09

Kaplan,, Morris

Coating apparatus

Immersion or work-confined pool type

Running length work, longitudinally traveling

118428, 266 3R, B05C 312

Patent

active

039424715

ABSTRACT:
A method and apparatus for galvanizing an elongated conductive metal element by drawing it through a bath of molten zinc in a conductive pan. Corrosion of the pan is prevented by electrically isolating the element from the pan, except through the zinc, eliminating circulating currents between the element and the pan wall. Quality of the coating, and particularly the uniformity of the thickness of the zinc deposited on the element, is improved by stabilizing the electrical potential in the element and thus the current flowing longitudinally through it. Where multiple elements are drawn in parallel through the bath for simultaneous galvanizing, circulating currents between them are minimized by electrically short circuiting the elements at the incoming and exit ends of the bath.

REFERENCES:
patent: 1822385 (1931-09-01), Watson
patent: 2077492 (1937-04-01), Ritzert
patent: 2527465 (1950-10-01), Toulmin, Jr.

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