| 摘要 |
<p>An image fiber includes an image fiber body (4) having a twisted portion (2) which is formed by heating, softening, and twisting a portion of the image fiber body (4). The rate of twist in the twisted portion (2) is made to be constant. Moreover, the rate of twist may preferably be set in a range from 1 DEG /mm to 4000 DEG /mm. In addition, the rate of twist at the beginning portion of the twisted portion (2) and the rate of twist at the end portion of the twisted portion (2) may preferably be set in a range from 3 DEG /mm to 400 DEG /mm. The twisted portion (2) may be provided with a protective element. <IMAGE></p> |
