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:
Jun. 01, 2021
Filed:
Feb. 21, 2018
Applicant:
Teijin Limited, Osaka, JP;
Inventors:
Yuhei Konagai, Matsuyama, JP;
Katsuyuki Hagihara, Matsuyama, JP;
Takeshi Naito, Osaka, JP;
Naoaki Sonoda, Osaka, JP;
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/12 (2006.01); C08J 5/04 (2006.01); D04H 1/4242 (2012.01);
U.S. Cl.
CPC ...
C08J 5/042 (2013.01); B29C 70/12 (2013.01); D04H 1/4242 (2013.01); Y10T 428/268 (2015.01);
Abstract
There is provided a random mat including carbon fibers and a matrix resin, wherein the carbon fibers in the random mat have an average fiber length in a range of 3 mm to 100 mm, a fiber areal weight of the carbon fibers is 25 to 10,000 g/m, the carbon fibers include a specific carbon fiber bundles having a specific opening degree in a specific amount per the total carbon fibers, and the specific carbon fiber bundles with a thickness of 100 μm or more are included in a ratio of less than 3% of the number of the total specific carbon fiber bundles.