Composite wire for the manufacture of jewelry articles
AssigneeCento Group S.p.A.
InventorUrbano Terziani
Life of this patent
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Abstract
A composite wire for the manufacture of semifinished products to be subjected to an emptying process in the field of goldsmithery. The wire comprises a support core developing essentially along one of its longitudinal axes in a nonprecious metal that is removable by chemical or electrochemical means as well as a plurality of sections in precious metal having an essentially longitudinal development of which at least a portion of each one is radially engaged in the core.
Claims9
A composite wire for the manufacture of semifinished products to be subjected to a process of emptying to produce jewelry articles comprising an elongate support core made of a nonprecious metal that is removable by chemical or electrochemical means and a plurality of elongate sections of precious metal of which at least one portion of each is radially engaged in said core, wherein said elongate sections are either independent of one another or are connected by elongate laminar members which cover only a limited surface portion of the core.
Dependencies are inferred from the claim text.