C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
204/127, 204/15
C25D 5/00 (2006.01) C25D 7/06 (2006.01) C25D 17/00 (2006.01)
Patent
CA 1049955
APPARATUS AND METHOD FOR ELECTROPLATING Abstract of the Disclosure An electroplating roll is provided with a plurality of electrically conductive, contiguous segments insulated from one another and arranged on rotation to make electrical contact con- secutively with a synchronously advancing metallic strip submerged in an electroplating bath to feed electric current to the strip. A commutator connects the segments consecutively to a source of electrical potential in a manner such that only segments of the roll which are entirely in contact with the strip are feeding cur- rent to the strip. With this electroplating roll, arcing caused by initial contact of the strip with the conductor ring and conse- quent burning of the strip becomes negligible. Control of elec- troplating current flow selectively to individual segments of the conductor ring also permits better control of the rate of plating of the strip in contact with the roll.
227438
Austin Lowell W.
Wilson Walter A.
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