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:
Sep. 03, 2002
Filed:
Mar. 21, 2000
Applicant:
Inventors:
Toshiyuki Miyoshi, Ehime, JP;
Haruo Obara, Ehime, JP;
Keizo Ono, Ehime, JP;
Tetsuyuki Kyono, Ehime, JP;
Assignee:
Toray Industies, Inc., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01F 9/12 ; B05D 3/12 ; B05D 3/02 ;
U.S. Cl.
CPC ...
D01F 9/12 ; B05D 3/12 ; B05D 3/02 ;
Abstract
Applying a sizing agent as a water dispersed sizing agent to a continuous carbon fiber bundle consisting of 20,000 to 150,000 filaments, controlling the packing density in a range of 5,000 to 20,000 D/mm, cutting the carbon fiber bundle in a wet state of 10 to 35 wt % in solution content at the time of cutting, and drying with vibration at a solution content of 15 to 45 wt % before drying.