Blank for machining to jewellery
The blank comprises a base component (1) which is made up of several coil and/or spiral turns (2) and has a rectangular cross-section. The base edges are rounded (1) and it is rotation-symmetric to its longitudinal axis (3) and in this case held at constant spacing from this axis. If the interval be...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | The blank comprises a base component (1) which is made up of several coil and/or spiral turns (2) and has a rectangular cross-section. The base edges are rounded (1) and it is rotation-symmetric to its longitudinal axis (3) and in this case held at constant spacing from this axis. If the interval between the base and longitudinal axis varies, then one of the spiral coils overlaps the next spiral etc., using a base component made of metal or coated in refined metal. When the base component is processed into a jewellery, a raw strip is formed by tool into the base component and tool and work subsequently separated. |
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