Patents Assigned to Nobel Plastiques
  • Pipe for high pressure fluid
    Patent number: 5706865
    Abstract: A pipe comprising a multilayer inner core (1) whose outer layer is made of polyamide or of EVOH to provide an effective barrier function, and outer reinforcement that withstands pressure. The outer reinforcement comprises at least one filamentary reinforcing structure (4) placed around the core (1), a covering outer layer (7), and at least one bonding agent (3, 5) for bonding the reinforcing structure (4) to the inner core (1), the agent being selected from polyurethane or polyamide hot melt adhesives and thermosetting polyesters.
    Type: Grant
    Filed: April 22, 1996
    Date of Patent: January 13, 1998
    Assignee: Nobel Plastiques
    Inventor: Jean-Claude Douchet
  • Multilayer plastics material hose
    Patent number: 5472754
    Abstract: A multilayer synthetic material tube manufactured by co-extrusion and adapted to convey motor vehicle fuel, from the inside towards the outside, a layer of high-density polyethylene, a layer of polyethylene, comprising acrylic acid and/or maleic anhydride copolymer adhesive, and an outer layer of polyamide.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: December 5, 1995
    Assignee: Nobel Plastiques
    Inventors: Jean-Claude Douchet, Patrick Desbois