Patent ID: 8511320
Filing Date: 2013-08-20
Classification: A41G,D02G

Abstract:
1. A fiber bundle for artificial hair, with one end thereof being bundled and fixed, the fiber bundle comprising: fiber groups of two or more kinds being heat-treated at a predetermined temperature and having color tones different from each other, wherein the fiber groups of two or more kinds have heat shrinkage rates different from each other, at least one kind of fiber group out of the fiber groups is crimped or shrunk by the heat treatment, the color difference (ΔE) is 1 or more, a tip portion of a fiber group out of the fiber groups of two or more kinds emerges in a portion corresponding to the other end of the fiber bundle which is not bundled and fixed, the emerging portion of the fiber bundle consists solely of the fibers having a small heat shrinkage rate, and the emerging portion of the fiber bundle has a length of 0.5 cm or more.