Electrolysis: processes – compositions used therein – and methods – Electroforming or composition therefor – Roll – ring – or hollow body
Patent
1997-02-04
1999-04-06
Phasge, Arun S.
Electrolysis: processes, compositions used therein, and methods
Electroforming or composition therefor
Roll, ring, or hollow body
205 72, 205 50, C25D 102
Patent
active
058913173
ABSTRACT:
A method of forming a hollow metallic article, comprising the following steps: (a) applying a layer of base metal to a fusible alloy mandrel; (b) applying a layer of precious metal to the layer of base metal; (c) applying a third layer of a non-metallic protective coating to the layer of precious metal; and (d) melting out the fusible alloy mandrel. Hollow articles formed by this method are also disclosed.
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"Electroforming in Gold Jewellery Production" by Dr. Franz Simon, 12 pages, as appeared in Interfinish 92 (no month).
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"Electroforming Technology--Economical Alternatives to Traditional Manufacturing Methods of High Quality Karat Jewelry" by Alan Day and Michael Larochelle as presented at Expo Providence, Apr. 10, 1995, pp. 1-15.
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China Robert H.
Cupolo Dennis A.
Pahlck Harold
Teichmann Robert J.
Avon Products Inc.
Phasge Arun S,.
Smith-Hicks Erica
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