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:
Apr. 26, 2022
Filed:
May. 16, 2017
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 9/22 (2006.01); D01F 9/12 (2006.01);
U.S. Cl.
CPC ...
D01F 9/225 (2013.01); D01F 9/22 (2013.01); D01F 9/12 (2013.01); Y10T 428/249945 (2015.04); Y10T 428/29 (2015.01); Y10T 428/292 (2015.01); Y10T 428/2918 (2015.01);
Abstract
A carbon fiber bundle from which a carbon fiber composite material having high tensile strength can be obtained has the following configuration. Specifically, the carbon fiber bundle has a strand elastic modulus of 265-300 GPa, strand strength of at least 6.0 GPa, and knot strength of at least 820 N/mm, and includes at least 30,000 filaments.