Fine jewelry rope chain
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United States of America Patent
Stats
-
Nov 8, 1994
Grant Date -
N/A
app pub date -
Mar 10, 1993
filing date -
Feb 21, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A jewelry rope chain having tightly interfitting links made of wire of a given cross-section, 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 the other and form in-outward appearance a double helix, the improvement comprising each link having a wire cross-section including a major axis defining a longer dimension and a minor axis defining a shorter dimension, said longer dimension being in the plane of the link and the shorter dimension being perpendicular thereto, the ratio of said longer dimension to said shorter dimension being greater than 1.3:1 but less than 3:1.
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