Method of producing jewelry and other precious metal products with complex geometries
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United States of America Patent
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Feb 22, 2011
Grant Date -
Feb 15, 2007
app pub date -
Jun 19, 2006
filing date -
Sep 17, 2003
priority date (Note) -
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Abstract
The present invention relates to a novel method of producing in one and the same operation precious hallmarked precious metal products. The method is particularly suited for production of such precious metal products, i.e. jewelry and objets d'art, which have complex geometries. The basic principle of the invention is the use of the free form fabrication FFF, method known per se which involve a stepwise build-up in layers of the product from a precious-metal-containing metal powder.
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