Chain – staple – and horseshoe making – Chain making – Combined machines
Patent
1985-09-30
1987-07-14
Combs, E. Michael
Chain, staple, and horseshoe making
Chain making
Combined machines
59 351, 72137, 72142, B21L 700, B21F 304
Patent
active
046793917
ABSTRACT:
The method disclosed for automatic decoration of helicoid members and/or links of whatever cross section from which to fashion chain-type articles of jewelry comprises not only conventional steps, but also the additional steps of milling the wire to be crafted, winding it around a former with splines that grip the milled surface, and decorating it while still wound around the former, following which, and before formation of the links, the wire can be shaped to match the cross section of the end part of the splined former. Such a method is carried into effect with apparatus featuring a splined former capable of movement within a spiral sleeve provided with windows through which tools used for crafting are afforded access to the wire, and a mechanism which alters the geometry of the initial rounded section of the helicoid so as to produce any one of a variety of shapes.
REFERENCES:
patent: 4275555 (1981-06-01), Bichi
patent: 4493183 (1985-01-01), Bucefari et al.
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