Method of manufacturing a timepiece component

Details Method of manufacturing a timepiece component Method of manufacturing a timepiece component

1983-06-13

1984-06-19

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

C25D 100, C25D 120

Patent

active

044551991

ABSTRACT:
A timepiece display component such as hands and dial plates, which component comprises a first electroformed metal layer having an internal compressive stress, and a second electroformed metal layer formed over said first electroformed metal layer and including an internal tensile stress, such that the internal stresses of the first and second metal layers cancel each other out to reduce the amount of warping distortion in the display component.

REFERENCES:
patent: 3713997 (1973-01-01), Anselrode
patent: 3853714 (1974-12-01), Shimoda
patent: 4327428 (1982-04-01), Enomoto

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