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. 08, 2003
Filed:
May. 16, 2001
Applicant:
Inventor:
Saburo Kawabata, Yokohama, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 ;
U.S. Cl.
CPC ...
G02B 6/44 ;
Abstract
The present invention related to an optical cable in which an optical fiber unit is covered with plural pieces of plastic warn and an outer covering such that the transmission characteristics of optical fibers does not deteriorate even if the plastic yarn longitudinally shrinks with time or with temperature. An optical fiber unit is covered with plural pieces of plastic yarn applied by clockwise-counterclockwise stranding.