C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
204/129
C25D 17/16 (2006.01)
Patent
CA 1126693
ABSTRACT OF THE DISCLOSURE: The invention relates to jewelry chains by electro-forming wherein a jewelry chain as an original material is thickened by an electro-forming to obtain fattened chain links thereof such that the fattened chain links not only make a distance between interlinked pivotting points of each chain link of the chain relatively smaller to make the chain in a denser con- struction but also render a possibility to subsequent various processes such as pressing, swaging and the like to obtain more novel chains in design and style. Further, it relates to an apparatus suitable for the electro-forming process.
336308
Borden Ladner Gervais Llp
Nakagawa Corporation
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