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EP0408520A2
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Method and machine for the automatic manufacture of ornamental chains with 8-shaped chain links
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EP0380452A2
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Method and apparatus for making ornamental chains with cylindrical helix links
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US4644175A
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Device for the automatic control of the feed of a tubular wire, in particular made of precious material in the goldsmith industry
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ES8604436A1
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Ornamental paired chain production machine
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ES8604437A1
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Appts. feeding two ornamental chains in parallel
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US4548031A
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Machine for producing ornamental chains made up of links of different forms and/or dimensions connected in any programmable sequence
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US4493183A
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Machine for the manufacture of chains, in particular of the type known as rope chain in the goldsmithery industry
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