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:
Oct. 03, 1978
Filed:
Apr. 12, 1977
Applicant:
Inventors:
Francis Gauthier, Oullins, FR;
Georges Mignien, Meyzieu, FR;
Assignee:
Les Cables de Lyon, Lyon, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191 / ; 2191 / ; 65 / ; 65152 ; 65DI / ; 156502 ; 156158 ; 350 9620 ;
Abstract
A welding device for joining optical fibres together with a low loss joint. It comprises a microplasma blow torch with central and tubular electrodes and central and peripheral nozzles supplied with pure and hydrogenated argon. The torch is used in conjunction with a clamping frame for aligning the fibres and holding them in position during welding.