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:
May. 22, 1979
Filed:
Apr. 19, 1978
Applicant:
Inventors:
Michel de Vecchis, Paris, FR;
Maurice Arnaud, Paris, FR;
Assignee:
Societe Lignes Telegraphiques et Telephoniques, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; B32B / ;
U.S. Cl.
CPC ...
264-1 ; 156171 ; 156172 ; 15624412 ; 15624415 ; 264174 ; 2641 / ; 264249 ; 264276 ; 264271 ; 350 9623 ;
Abstract
A cable comprising a central armour, a dielectric helically grooved core and optical fibres housed in said grooves which are formed with a lip protruding from one edge is produced by extrusion of the profiled core on the armour heating of the core, laying of one fibre within one groove with the aid of a fibre guide controlled by a positioning slot in said core, bending the lip to close the groove outwardly and repeating said heating, laying, etc. . . for each fibre and taping the structure.