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:
Jan. 01, 1985
Filed:
Aug. 31, 1981
Applicant:
Inventors:
Yukiyasu Negishi, Ibaraki, JP;
Yukinori Ishida, Ibaraki, JP;
Yasunori Saito, Kanagawa, JP;
Shigeru Tanaka, Kanagawa, JP;
Assignees:
Nippon Telegraph & Telephone Public Corporation, Tokyo, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9623 ;
Abstract
An optical fiber cable is described comprising a linear center member having at least one longitudinal and spiral groove in the surface thereof, one coated optical fiber received in each groove, an outer sheath that encloses the center member, and a jelly-like material with which the space around each optical fiber is entirely filled. A process for producing such an optical fiber cable is also described.