Master pattern cylinder

Details Master pattern cylinder Master pattern cylinder

1976-03-04

1977-05-17

Edmundson, F.C.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204 9, 204 11, C25D 108, C25D 120, C25D 1700

Patent

active

040240452

ABSTRACT:
A matrix usable for producing perforated nickel sleeves and the method for making the matrix. The matrix comprises a roller body and a sleeve detachably surrounding the roller body, the sleeve being provided with conductive and non-conductive portions. The mating surface between the roller body and sleeve is disclosed as frustum-shaped, and alternatively as a cylinder.

REFERENCES:
patent: 2287122 (1942-06-01), Norris
patent: 3763030 (1973-10-01), Zimmer
patent: 3891514 (1975-06-01), Klemm
patent: 3905400 (1975-09-01), Du Pree et al.

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