Method of making an electroforming mandrel

Details Method of making an electroforming mandrel Method of making an electroforming mandrel

1974-07-12

1976-04-20

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29458, 118637, 138140, 204 6, 204 25, 204116, B23P 1102

Patent

active

039508390

ABSTRACT:
A cylindrically shaped hollow mandrel is disclosed which is suitable in an electroforming process used for the production of an endless seamless nickel xerographic belt. The mandrel set forth comprises a metal core member with a thin removable metal sleeve having a thickness between about 10 and 60 mils which is fitted over said core member to provide a surface for electroforming of the nickel belt. Mandrels disclosed in the present invention have the advantage of a longer lifetime of use in a continuous electroforming process because of the replaceable nature of the metal sleeve.

REFERENCES:
patent: 2274961 (1942-03-01), Horger
patent: 2372665 (1945-04-01), Egli et al.
patent: 2647847 (1953-08-01), Black et al.
patent: 2768433 (1956-10-01), O'Donnell
patent: 3098285 (1963-07-01), Kelzenberg et al.
patent: 3451903 (1969-06-01), Matsuoka
patent: 3461046 (1969-08-01), Clancy
patent: 3616520 (1971-11-01), Bucalo
patent: 3633259 (1972-01-01), Nikanen

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