Patents by Inventor Lionel Le Gall

Lionel Le Gall 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).

  • Sealed stopper for an opening in a tubing for joining a chamber and a piping, particularly in the steam generator of a nuclear pressurised water reactor
    Patent number: 9068684
    Abstract: A sealed stopper for an opening in a tubing for joining a chamber and a piping including a fastening ring is provided. The stopper includes a rigid bearing plate and a sealing member carried by the bearing plate, and includes a seal having a planar and flexible central portion with a reduced thickness extending below the bearing plate and a peripheral portion radially deformable by a central expander of the peripheral portion against the inner surface of the fastening ring.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: June 30, 2015
    Assignee: AREVA NP
    Inventors: Lionel Le Gall, Pierre Chevalier, Guillaume Ruiz, Blaise Carles
  • Sealed stopper for an opening in a junction tubing between a housing and a pipe, and method for implementing said stopper
    Patent number: 8851123
    Abstract: A sealed stopper for an opening in a junction tubing between an enclosure and a pipe, including an attachment ring. The stopper includes a rigid lid and a sealing assembly borne by the lid including a passive annular gasket including at least one annular internal chamber, a first static annular gasket, a second static annular gasket and a flat gasket ensuring the seal of the opening of the tubing.
    Type: Grant
    Filed: January 6, 2010
    Date of Patent: October 7, 2014
    Assignee: Areva NP
    Inventors: Lionel Le Gall, Pierre Chevalier, Jean-Claude Petit
  • SEALED STOPPER FOR AN OPENING IN A TUBING FOR JOINING A CHAMBER AND A PIPING, PARTICULARLY IN THE STEAM GENERATOR OF A NUCLEAR PRESSURISED WATER REACTOR
    Publication number: 20120279965
    Abstract: A sealed stopper for an opening in a tubing for joining a chamber and a piping including a fastening ring is provided. The stopper includes a rigid bearing plate and a sealing member carried by the bearing plate, and includes a seal having a planar and flexible central portion with a reduced thickness extending below the bearing plate and a peripheral portion radially deformable by a central expander of the peripheral portion against the inner surface of the fastening ring.
    Type: Application
    Filed: December 17, 2009
    Publication date: November 8, 2012
    Applicant: AREVA NP
    Inventors: Lionel Le Gall, Pierre Chevalier, Guillaume Ruiz, Blaise Carles
  • SEALED STOPPER FOR AN OPENING IN A JUNCTION TUBING BETWEEN A HOUSING AND A PIPE, AND METHOD FOR IMPLEMENTING SAID STOPPER
    Publication number: 20120103995
    Abstract: A sealed stopper for an opening in a junction tubing between an enclosure and a pipe, including an attachment ring. The stopper includes a rigid lid and a sealing assembly borne by the lid including a passive annular gasket including at least one annular internal chamber, a first static annular gasket, a second static annular gasket and a flat gasket ensuring the seal of the opening of the tubing.
    Type: Application
    Filed: January 6, 2010
    Publication date: May 3, 2012
    Applicant: AREVA NP
    Inventors: Lionel Le Gall, Pierre Chevalier, Jean-Claude Petit