| 摘要 |
PROBLEM TO BE SOLVED: To provide a rim wire for eyeglasses in which a rim wire can easily be bent in accordance with the curvature of a lens in a short period of time regardless of the level of skill of a worker, a variation in quality due to workers is small, and an eyeglass frame having a large curvature can be worked.SOLUTION: In bending a rim wire for eyeglasses to be bent in accordance with the curved shape of lenses, including an engaged part to be engaged with an engagement part of the circumference of the lenses, a lateral 1d of a rim wire 1 brought into contact with a forming die D is formed as a parallel surface or a surface inclined in the same direction with respect to a neutral surface of the rim wire 1 obtained on the basis of bending force given when performing bending. |
