| |
 |
|
|
Inventor: Tizzi; Valtiero
Address: 47037 Rimini (Forli), IT
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4910954 |
Apparatus for the formation of ornamental chains |
March 27, 1990 |
| The disclosure relates to the art field of machines for crafting jewelry, namely, chains both in precious metal and in costume jewelry metals. The apparatus of the present invention includes an indexing mechanism for feeding at least one wire, a cutter for severance of the wire into |
| 4716750 |
Process for obtaining composite hollow members from variegated longitudinal strips, embodied wit |
January 5, 1988 |
| The invention relates to a process by means of which to obtain hollow members from variegated longitudinal strips, longitudinally assembled. The hollow member obtained may either remain hollow or be provided with a removable core, and can be embodied in precious or semi-precious metals, |
| 4679391 |
Method of manufacturing jewelry chains from decorated helicoid members and/or links |
July 14, 1987 |
| 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 |
|
|
|