Electroforming process

Details Electroforming process Electroforming process

1985-10-03

1986-11-04

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

204 8, C25D 120

Patent

active

046209034

ABSTRACT:
A method for producing highly detailed and multi-relief nameplates. A master image is produced by photoetching with a photopolymer. A negative production tool is formed from this master image, and comprises a plurality of individual nameplates formed in a sheet. The sheet is plated with a thin layer of nickel, and backfilled with a mixture of nylon and an epoxy resin, which is then cured to produce a solid mass. The obverses of the nameplates are chrome-plated and may be painted as desired. The reverse of the sheet is subjected to a cutting step using a fly cutting mill which separates the sheet by horizontally cutting raised edges between adjoining nameplates to produce a plurality of individual nameplates.

REFERENCES:
patent: 497303 (1893-05-01), Callow
patent: 924020 (1909-06-01), Walter
patent: 2172563 (1939-09-01), Libberton
patent: 2874085 (1959-02-01), Brietzke
patent: 4462873 (1984-07-01), Watanabe

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