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Drum for producing electrodeposited metal foil

Image Number 4 for United States Patent #4975169.

A drum is rotatably immersed as a cathode in an electrolytic solution with an anode placed therein. When a current flow from the anode through the solution to the drum, a metal foil is deposited on the drum as it rotates. The drum includes an electric insulating layer disposed between the outer circumferential surface of an inner drum body and the inner circumferential surface of an outer skin, and an electrically conductive member attached to the outer skin and disposed on one axial end of the inner drum body.

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