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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.:

US 12102151 B1

PDFFull Text
Date of Patent:
Oct. 01, 2024

Filed:

Jul. 31, 2018

Fiber for artificial hair and hair ornament product including same

Applicant:

Kaneka Corporation, Osaka, JP;

Inventors:

Mika Yorizane, Osaka, JP;

Hiroshi Fujinaga, Osaka, JP;

Kohei Kawamura, Osaka, JP;

Tomomichi Hashimoto, Osaka, JP;

Assignee:

Kaneka Corporation, Osaka, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Matthew D Matzek

Int. Cl.
CPC ...
D01F 1/07 (2006.01); A41G 3/00 (2006.01); A41G 5/00 (2006.01); A63H 3/44 (2006.01); D01D 5/22 (2006.01); D01D 5/24 (2006.01); D01D 5/253 (2006.01); D01F 6/62 (2006.01); D01F 6/78 (2006.01); D01F 6/32 (2006.01); D01F 6/40 (2006.01); D01F 6/60 (2006.01); D01F 6/64 (2006.01); D01F 6/76 (2006.01); D01F 6/84 (2006.01);
U.S. Cl.
CPC ...
A41G 3/0083 (2013.01); A41G 5/004 (2013.01); A63H 3/44 (2013.01); D01D 5/22 (2013.01); D01D 5/24 (2013.01); D01D 5/253 (2013.01); D01F 1/07 (2013.01); D01F 6/62 (2013.01); D01F 6/78 (2013.01); D01F 6/32 (2013.01); D01F 6/40 (2013.01); D01F 6/60 (2013.01); D01F 6/64 (2013.01); D01F 6/765 (2013.01); D01F 6/84 (2013.01); D10B 2331/04 (2013.01); D10B 2501/00 (2013.01);
Abstract

The present invention relates to a fiber for artificial hair having a hollow in a center of a fiber cross section. A ratio of an area of the hollow to an entire area of the fiber cross section is 5% to 50%. The fiber cross section has a flat multilobed shape, and the hollow has a first side and a second side that are inclined 70 to 110 degrees relative to a major axis of the fiber cross section. The present invention also relates to hair ornament products including the above fiber for artificial hair. Thus, the present invention provides a fiber for artificial hair having a favorable curl setting property when curling with a hair iron and a favorable combing property after curling with a hair iron, and hair ornament products including the same.

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