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:
Feb. 26, 2019
Filed:
Jan. 27, 2015
Engie, Courbevoie, FR;
Benoit Acker, Bondues, FR;
Maxime Lecchi, Sartrouville, FR;
Charles Francois-Albert Fernandez, Meudon, FR;
Roland Nierhoff, Saint Denis, FR;
ENGIE, Courbevoie, FR;
Abstract
The invention relates to an intervention method for acting on the wall of a fluid pipeline by using a tool comprising a pipe segment and at least first means for creating sealing and second means for creating sealing, the method comprising a step of moving the tool inside the pipeline until the pipe segment is positioned facing a zone of the wall of said pipeline, the method further comprising a step of creating sealing upstream and downstream from said zone respectively by using the first and second means for creating sealing so as to seal off an outer portion of a segment of the pipeline around said zone, followed by a step of acting on said zone of the wall.