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:
Apr. 12, 1994
Filed:
Jun. 15, 1992
Applicant:
Inventor:
Jacques Griffaton, Chalon-sur-Saone, FR;
Assignee:
Framatome, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912163 ; 21912164 ; 21912183 ;
Abstract
The control of the optical operation of a laser beam welding tool is carried out, when the tool is in an out of service position, by low-power auxiliary radiation. This radiation is passed to a measuring device (64) equipped with a photoelectric cell (86) after having traversed the tool as far as a welding head (58). The control can apply to an optical channel carried by a welding iron used for welding repair sleeves in pressurized water nuclear reactor steam generator tubes.
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Griffaton, Jacques. (1994). Process and device for controlling the operation of an optical channel, (U.S. Patent No. 5302800). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5302800
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