Patents Assigned to Tricoflex SA
  • Multilayer hose for transporting hot fluids
    Patent number: 6397894
    Abstract: The present invention provides a multilayer hose comprising: a flexible inner layer of polyvinyl chloride having high molecular weight; a flexible linking layer of polyvinyl chloride having medium molecular weight; a reinforcing structure based on plastics material fibers; and a flexible outer layer of polyvinyl chloride having molecular weight greater than that of the linking layer. The invention also provides a method of making the hose.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: June 4, 2002
    Assignee: Hozelock Tricoflex SA
    Inventors: Fabrice Leray, Frédéric Maitay
  • Flexible hose of multilayer plastics material
    Patent number: 6302151
    Abstract: A flexible hose of multilayer plastics material for transporting fluids, the hose comprising from the inside towards the outside: an inner layer of a polyolefin that is inert relative to water; a bonding layer having adhesive properties relative to the polyolefin and to the flexible polyvinyl chloride; a layer of flexible polyvinyl chloride; and tubular reinforcement in contact with the polyvinyl chloride.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: October 16, 2001
    Assignee: Tricoflex SA
    Inventors: Frédéric Maitay, Fabrice Leray
  • Multilayer hose for transporting chemicals having a high solvent content
    Patent number: 6216744
    Abstract: A multilayer hose made of plastics material for transporting highly solvent chemicals such as paint, the hose including, from the inside to the outside, a polyamide/polyolefin alloy layer, a polyurethane-based adhesive layer, a flexible plasticized layer of polyvinyl chloride, and tubular reinforcement in contact with the polyvinyl chloride.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: April 17, 2001
    Assignee: Tricoflex SA
    Inventors: Fabrice Leray, Frédéric Maitay, Philippe Peyrat