Fine jewelry diamond cut rope chain and method of manufacturing same
AssigneeAvraham Moshe Rozenwasser
InventorDavid Rozenwasser
Life of this patent
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Abstract
A fine jewelry diamond cut rope chain comprising a double helix rope chain made from tightly interfitting links of precious metal, each link having a small gap formed therein so as to enable one of said links to pass through the gap of a second link, said links being intertwined to fit tightly one against another, characterized in that at least some of the links of the chain comprise a high luster diamond cut shallow band or strip extending along the surface of at least part of their outer perimeter. Precious metal wire chain links and methods of manufacture are also claimed.
Claims21
A fine jewelry diamond cut rope chain comprising a double helix rope chain made from tightly interfitting links of precious metal link wire, each link having a small gap formed therein so as to enable one of said links to pass through the gap of another link, said links being intertwined to fit tightly one against another, at least some of the links of the chain having at least one high luster diamond cut surface provided in a shallow, generally elongate, outwardly open, diamond cut depression of a predetermined width formed in a link and extending along at least part of an outer perimeter of said link.
A chain link of precious metal for making jewelry rope chains having a high luster diamond cut surface, provided in a shallow, generally elongate, diamond cut depression of a predetermined width formed in an outer face of the link and extending along at least part of an outer perimeter thereof.
A method for manufacturing chain links for making rope chains having high luster diamond cut strips on their surface, the method comprising:
- a) shaving a precious metal plate with a high speed rotating diamond edge cutting tool to provide a high luster longitudinal strip on a surface thereof,
- b) passing said plate together with a soft metal wire core through a die to make a precious metal plated wire having a high luster diamond cut strip extending lengthwise on the surface thereof, and
- c) forming chain links from said precious metal plated wire.
A method for manufacturing chain links for making rope chains having high luster surfaces, comprising the following steps:
- rotating a curved diamond cutting edge of predetermined curvature at a high speed;
- contacting an axially moving precious metal wire with the rotating diamond cutting edge and shaving from an outer surface of said wire a shallow, generally elongate depression of a predetermined width along a length of the wire so as to form a high luster diamond cut surface in said depression;
- and
- forming said wire into chain links with said depression disposed in an outer circumference of each link.
Dependencies are inferred from the claim text.