| 摘要 |
<p>Spectacles side piece has rod-shaped bending part for adaption to the shape of the head of the wearer. A plastic sleeve encloses the curved section of the bending part which terminates in the end of the side piece. The plastic sleeve facilitates the formation of a closed, smooth and shining surface. The material is resistant to wear and tear and kind to the skin. It can be permanently connected to the material from which the frames of spectacles are made.</p> |
