Chain – staple – and horseshoe making – Chains – Ornamental
Patent
1992-06-24
1996-01-30
Jones, David
Chain, staple, and horseshoe making
Chains
Ornamental
59 3, 59 82, B21L 502
Patent
active
054872642
ABSTRACT:
By means of having taken advantage of certain physical properties of solids with a manufacturing process of incrementally deforming hollow links, there is produced new hollow diamond cut jewelry rope chain, which results in a product weighing up to 60% less than its solid counterpart, but which in its aesthetic looks is similar to solid diamond cut jewelry chains, and furthermore, with a hardness greater than the same hollow chain that has not gone through the process. This invention presents a new diamond cut chain, which costs a fraction of the price of a solid chain aesthetically similar.
REFERENCES:
patent: 5125225 (1992-06-01), Strobel
patent: 5129220 (1992-07-01), Strobel
patent: 5353584 (1994-10-01), Strobel et al.
L'Oromeccanica S.P.A. catalog of 1982, including description of hollow chain #21.
Drucker I. Morley
Jones David
Kimbell Daniel R.
Oroamerica, Inc.
Sommers Howard N.
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