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. 17, 2019
Filed:
Sep. 09, 2016
Applicant:
Teijin Limited, Osaka-Shi, Osaka, JP;
Inventors:
Shuji Koike, Osaka, JP;
Takashi Goto, Osaka, JP;
Assignee:
Teijin Limited, Osaka-Shi, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 59/16 (2006.01); C08K 3/04 (2006.01); C08J 5/04 (2006.01); C08J 5/10 (2006.01); B29K 105/00 (2006.01); B29K 105/12 (2006.01); B29K 307/04 (2006.01);
U.S. Cl.
CPC ...
B29C 59/16 (2013.01); C08J 5/042 (2013.01); C08J 5/10 (2013.01); C08K 3/04 (2013.01); B29K 2105/0032 (2013.01); B29K 2105/12 (2013.01); B29K 2307/04 (2013.01); C08J 2369/00 (2013.01); C08J 2377/02 (2013.01);
Abstract
Disclosed is a composite material including a black pigment, carbon fibers, and a resin, wherein marking is applied with a laser having a wavelength of 100 to 2,000 nm on the composite material having 1) an area proportion of the carbon fibers in its topmost surface layer of 10 to 90%, 2) a proportion of the black pigment contained in the composite material of 0.2 to 20% by mass, and 3) an average fiber length of the carbon fibers of 1 mm or more.