| Patent Number |
Title Of Patent |
Date Issued |
| 4658576 |
Device for the parallel automatic feeding of ornamental chains, in particular for the production |
April 21, 1987 |
| A device for feeding in parallel of ornamental chains to an operative unit of a machine suitable for realizing the bonding of the chains, including a mechanism for the transport of the chains towards the operative unit arranged for the engagement with side by side links of the chains and |
| 4644743 |
Machine for the production of ornamental chains, in particular of the paired type |
February 24, 1987 |
| A machine for the production of paired chains including a feeding assembly for the chains, a welding assembly of the chains and a take-up device for the produced chain. The feeding assembly for the chains includes a transport mechanism thereof suitable for the engagement within corre |
| 4644175 |
Device for the automatic control of the feed of a tubular wire, in particular made of precious m |
February 17, 1987 |
| A device for the automatic control of the feed of a tubular wire, made of precious or non-precious material, in goldsmith industry machine tools, that allows to maintain a predetermined orientation of the continuous longitudinal groove present on the wire itself. The device comprises the |
| 4548031 |
Machine for producing ornamental chains made up of links of different forms and/or dimensions co |
October 22, 1985 |
| A machine for the production of decorative chains made up of links of different forms and/or dimensions connected according to any programmable sequence, comprising at least two independent formation stations (1, 1') in alternate operation according to a prefixed, alterable program on th |
| 4493183 |
Machine for the manufacture of chains, in particular of the type known as rope chain in the gold |
January 15, 1985 |
| A machine for the manufacture of chains of the "rope chain" type for the goldsmithery industry, in which each link is taken from a spiral of wire by means of one or more cuts tangential to the internal profile of the winding. The cuts can be simultaneous or consecutive. The cutting unit |
