Method of making products of precious materials and wearable multicolor ornamental articles manufactured with such products
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United States of America Patent
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Issued Date -
Jun 19, 2003
app pub date -
Nov 12, 2002
filing date -
Dec 13, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of making a multicolor product (1, 11; 22, 23) with longitudinal development of precious material adapted to be used for manufacturing wearable ornamental articles such as armlets, necklaces, and the like is disclosed comprising the following steps: providing a coated wire (3) consisting of a central element (4, 17) of precious metal material covered by one or more external coaxial sheaths (5,18; 19), each of said sheaths being obtained by helical winding of a covering wire (5a) made of precious material of a different color relative to the color of the material of the central element (4, 17); manufacturing an unfinished product (7, 15, 21) with longitudinal development using the coated wire (3) on which one or more mechanical workings are carried out; removing material from one or more zones (10) of the unfinished product (7, 15, 21) for a depth sufficient to make visible one or more of the underlying materials of different colors constituting the sheaths of the coated wire (3).
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