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. 21, 1992
Filed:
Jun. 27, 1990
Applicant:
Inventors:
Ralph Sutehall, Abertillery, GB;
Andrew Summers, Newport, GB;
Assignee:
Northern Telecom Europe Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385114 ; 385110 ;
Abstract
An optical fibre cable has a channel (2) loosely housing an optical ribbon element (3) and a non-optical ribbon element (3A) which both have an evenly distributed excess length of between 0.5% and 1% and adopt a regular undulating configuration in a thixotropic water blocking gel (28) in the channel.