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:
Jul. 25, 1989
Filed:
Aug. 04, 1988
Applicant:
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
D02G / ; D02G / ; D02G / ; D01F / ;
U.S. Cl.
CPC ...
57236 ; 57243 ; 57903 ; 4234472 ;
Abstract
A thread comprising plural carbon fiber strands having a first twist of 80 turns/m or more and plied and twisted to give a final twist of 50 turns/m or more in the direction reverse to the first twist. The thread has a fineness of 3000 denier or less and a knot strength of 1.0 g/denier or more, and the single fibers of the carbon fiber strands constituting the thread each have a fineness of 0.7 denier or less and a loop breaking strain of 2.5% or more.