MANDRIN D'ELECTROFORMAGE MALE

摘要

1365132 Electro-forming mandrel XEROX CORP 12 Nov 1971 [13 Nov 1970] 52588/71 Heading C7B A male electro-forming mandrel comprises an aluminium cylinder 14, a nickel sleeve 13 removably mounted around the cylinder and a layer of inert material on the outer surface of the nickel sleeve. The nickel sleeve may be made by electro-forming and has an internal diameter less than the outside diameter of the aluminium cylinder so that it may be shrink fitted. The inert material which may be chromium is applied by electro-plating. The mandrel may be used for electro-forming nickel belts.