Rope chain

Details Rope chain Rope chain

1995-05-24

2000-08-22

Jones, David

Chain, staple, and horseshoe making

Chains

Ornamental

59 82, F16G 1300, B21L 502

Patent

active

061053589

ABSTRACT:
A jewelry rope chain having a double helix appearance formed from a plurality of interlaced links or rings of wire is disclosed. Each link is made from a wire loop having a gap, wherein the wire loop has a cross-section with a major axis defining a long diametrical dimension and a minor axis defining a short diametrical dimension. The long diametrical dimension is disposed in a plane defined by a diameter of the link and the short diametrical dimension is perpendicular to the long diametrical dimension. A ratio of the long diametrical dimension to the short diametrical dimension is less than 1.3:1. The gap of the wire loop is narrower than the long diametrical dimension of the loop cross-section.

REFERENCES:
patent: 4651517 (1987-03-01), benhamou et al.
patent: 4934135 (1990-06-01), rozenwasser
patent: 4996835 (1991-03-01), rozenwasser
patent: 5185995 (1993-02-01), dal monte
patent: 5361575 (1994-11-01), rozenwasser

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