Stock material or miscellaneous articles – All metal or with adjacent metals
Patent
1998-05-28
2000-11-14
Nakarani, D. S.
Stock material or miscellaneous articles
All metal or with adjacent metals
428577, 428582, 428670, H01F 116, B32B 1501
Patent
active
061467723
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.
REFERENCES:
patent: 4716750 (1988-01-01), Tizzi
Cento Group S.p.A.
Nakarani D. S.
Rickman H.
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