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:
Jun. 02, 1998
Filed:
Oct. 06, 1995
Applicant:
Inventors:
Gery Marlier, Calais, FR;
Albert Picavet, Calais, FR;
Assignee:
Alcatel Submarcom, Clichy, FR;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912164 ; 21912163 ;
Abstract
The unit for protecting the inside of a metal tube containing at least one optical fiber against overheating limits the extent to which fibers inserted by an auxiliary tube and filler gel overheat level with the laser welding that closes the metal tube. The unit including a thermal diffuser interposed between the auxiliary tube for inserting fibers and the closure zone that is defined on the metal tube. The invention is applicable to making an underwater optical cable.