| 摘要 |
<p>The connecting element has a recess for supporting an end section of a clamp or a link. A contact surface is designed such that it attaches edge, rear and front sides of the spectacle lens. The recess has an opening, and the connecting element is formed from injection molded plastic. The connecting element is divided into a lower part (42) and upper part (44). The contact surface is formed in the upper part. The upper part and lower part have inner surfaces, which are turned together. The plastic is aliphatic and thermoplastic polyether polyurethane.</p> |
