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. 26, 1992
Filed:
Dec. 27, 1990
Applicant:
Inventors:
Cecipe Boudot, Chalon S/Saone, FR;
Jacques Griffaton, Chalon S/Saone, FR;
Assignee:
Framatome, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912164 ; 21912163 ; 21912184 ; 376260 ;
Abstract
The head (1) for laser working in centered in the tube (2) by two open circular brushes. The laser working is performed under the protection of a primary gas emerging through the window (5) for passage of the laser beam and of a secondary gas circulating axially between the head and the tube (2). The invention is used in the socket fitting of the tubes of the steam generators of pressurized-water nuclear reactors.