The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2025
Filed:
Sep. 28, 2023
Kaneka Corporation, Osaka, JP;
Yu Nakamura, Hyogo, JP;
KANEKA CORPORATION, Osaka, JP;
Abstract
A fluffy and voluminous artificial hair and a method for producing the same are provided. Artificial hair including a fiber cord with one or more fiber bundles braided or spirally wound has a configuration in which the fiber bundle is a bundle of a plurality of fibers including a first fiber and a second fiber. A cross section orthogonal to a longitudinal direction of the fiber bundle has a core and a shell enclosing the core. The core has a blend of the first fiber and the second fiber. The shell consists of the second fiber. A total area of voids in the shell on the cross section is larger than a total area of voids in the core on the cross section.