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.

Date of Patent:
May. 19, 2015

Filed:

Mar. 03, 2011
Applicants:

Eiji Akiba, Osaka, JP;

Masaaki Hachiya, Ichinomiya, JP;

Hidetaka Yamauchi, Chiryu, JP;

Bunshi Fugetsu, Sapporo, JP;

Inventors:

Eiji Akiba, Osaka, JP;

Masaaki Hachiya, Ichinomiya, JP;

Hidetaka Yamauchi, Chiryu, JP;

Bunshi Fugetsu, Sapporo, JP;

Assignees:

Kuraray Co., Ltd., Kurashiki-shi, JP;

Chakyu Dyeing Co., Ltd., Ichinomiya-shi, JP;

Tsuchiya TSCO Co., Ltd., Chiryu-shi, JP;

NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, Sapporo-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G 3/44 (2006.01); G03G 15/02 (2006.01); D06M 11/74 (2006.01); G03G 21/00 (2006.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
D06M 11/74 (2013.01); G03G 21/0035 (2013.01); G03G 15/0233 (2013.01);
Abstract

An electro-conductive multifilament yarn for an electro-conductive brush that includes an electro-conductive fiber containing a synthetic fiber and a carbon nanotube covering a surface of the fiber. The synthetic fiber may have a single-filament fineness of not more than 30 dtex. The synthetic fiber may have 3 to 6 elongated recesses or grooves extending in a longitudinal direction thereof and have a multi-leaves or cross-section.


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