Patents Assigned to Corlexip
  • Flexible pipe with i-shaped wire winding
    Patent number: 6253793
    Abstract: A flexible tubular pipe having an internal sheath and a pressure vault around the sheath with a helically would short pitch metal wire. The metal wire has an I-shaped cross-section with a narrowed central web and greater thickness internal and external flanges. Recesses in at least one set of the flanges enable fastening elements to be installed for holding to adjacent wire windings. The ratios of widths of the flanges, height and width of the wire, moments of inertia in the width wise and radial direction are disclosed.
    Type: Grant
    Filed: December 14, 2000
    Date of Patent: July 3, 2001
    Assignee: Corlexip
    Inventors: François Dupoiron, Philippe François Espinasse, Patrice Jung