Patents by Inventor Jean-Mathieu Mestre-Bresson

Jean-Mathieu Mestre-Bresson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and device for displaying and monitoring the profile of a weld bead inside a groove provided between two metal workpieces
    Patent number: 8426769
    Abstract: The invention relates to a method of displaying and monitoring the profile of a weld bead (4), in which, placed inside the groove, there is an assembly (10) comprising, facing one another, an image acquisition means (11), a light source (12), the beam of which is directed towards said image acquisition means, and, between the image acquisition means and the light source, a mask (13); the optical axis of the image acquisition means (11) is oriented so as to be approximately parallel to the sidewalls (5, 6) of the groove (3); a light beam produced by the light source (12) is directed towards the mask (13) and the image acquisition means (11); a central shadow zone and a peripheral halo are formed by means of the light beam and the mask (13), said halo illuminating, approximately perpendicularly, the weld bead (4) and the sidewalls (5, 6); the profile of the weld bead (4) and the sidewalls (5, 6) are displayed on a display/monitoring means; and said assembly (10) is moved inside the groove (3) longitudinally and
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: April 23, 2013
    Assignee: Areva NP
    Inventors: Jean-Claude Ferlay, Jean-Mathieu Mestre-Bresson
  • Method and Device for Displaying and Monitoring the Profile of a Weld Bead Inside a Groove Provided Between Two Metal Workpieces
    Publication number: 20090141965
    Abstract: The invention relates to a method of displaying and monitoring the profile of a weld bead (4), in which, placed inside the groove, there is an assembly (10) comprising, facing one another, an image acquisition means (11), a light source (12), the beam of which is directed towards said image acquisition means, and, between the image acquisition means and the light source, a mask (13); the optical axis of the image acquisition means (11) is oriented so as to be approximately parallel to the sidewalls (5, 6) of the groove (3); a light beam produced by the light source (12) is directed towards the mask (13) and the image acquisition means (11); a central shadow zone and a peripheral halo are formed by means of the light beam and the mask (13), said halo illuminating, approximately perpendicularly, the weld bead (4) and the sidewalls (5, 6); the profile of the weld bead (4) and the sidewalls (5, 6) are displayed on a display/monitoring means; and said assembly (10) is moved inside the groove (3) longitudinally and
    Type: Application
    Filed: November 4, 2008
    Publication date: June 4, 2009
    Applicant: AREVA NP
    Inventors: Jean-Claude Ferlay, Jean-Mathieu Mestre-Bresson