| 摘要 |
PROBLEM TO BE SOLVED: To make visibility of a marking formed in a package high and prevent a dent from generating in a package surface due to formation of the marking.SOLUTION: Quality of a package P is determined according to tension of a yarn Y in forming of the package P, and a marking M is formed by winding the yarn Y up in a portion corresponding to the quality of the package P after forming the package P. In forming the marking M, a thread traversing guide 45 is moved to an axial direction of the package P with a travel speed V2 slower than a travel speed of the time when winding up, and the yarn Y is wound up to the package P with a twill angle &thetas;2 smaller than a twill angle of the time when winding up. |
