C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/190
C25C 7/02 (2006.01) C25C 7/08 (2006.01)
Patent
CA 2224790
There is provided an aluminum cathode base plate which has an insert of dielectric material at an upper edge thereof, in the vicinity of the solution line of the electrolytic cell when the cathode is placed into such cell for the purpose of electrodeposition of zinc. The insert has a flat surface which is raised or projected above the surface of the aluminum base plate by a distance of 0.5 mm to 1.5 mm on both sides of the base plate. In this manner, when the stripping knife strikes the dielectric insert during stripping of the electrodeposited zinc sheets and then penetrates between the zinc sheets and the aluminum base plate, it will not hit and damage the perpendicular interface between the dielectric insert and the aluminum base plate. This will avoid rapid deterioration of the base plate and will significantly improve its life span.
Boissoneault Marc J.
Girard Gaston A.
Maclean John Robert
Falconbridge Limited
Goudreau Gage Dubuc
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