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. 05, 1999
Filed:
Jul. 31, 1997
Jean-Francedilla.ois Libert, Pont De Briques, FR;
Renaud Le Gac, Calais, FR;
Walter Comello, Frethun, FR;
Alcatel Submarine Networks, Clichy, FR;
Abstract
The optical fibers are enclosed in a protective metal tube in such manner as to impart surplus length to them, the tube being shaped from an initial strip, then laser welded, and optionally swaged as it advances in line. The method of obtaining the surplus length of a predetermined value consists in subjecting the tube as driven to subsequent stretching of a predetermined value by means of a capstan working at constant torque, thereby causing the fibers to advance in the welded tube, then in relaxing the stretched tube. Application to a line for enclosing optical fibers in a protective tube.