| 摘要 |
<p>Package for precious stones, characterized in that it substantially comprises tow parts, that is to say a bottom part (1) and a cover (2), of which at least the cover (2) is made from a transparent material and at least the bottom part (1) has a cavity (3) for at least one precious stone, whilst around the aforesaid cavity (3) is provided a groove (6) interrupted by small bridges (7), the two parts, after the inclusion of at least one diamond, being assembled the one with the other by ultra-sound welding, thermic welding, high frequency welding, gluing or similar procedures.</p> |
