Patents Assigned to Kleeper Beteilingungs GmbH & Co. Bootsbau KG
  • Patent number: 4621002
    Abstract: A monocoque structure for aquatic sportscraft comprising at least two layers of coextruded thermoplastic materials, a first layer of which prevalently consists of a thermoplast from the group of linear polyesters, preferably polycarbonates, and a second layer of which prevalently consists of a thermoplast from the group of polystyrene derivatives, the wall thicknesses of said layers being 0.08 to 0.3 mm and 0.8 to 1.5 mm, respectively, the outermost first layer having light-absorbent and/or light-reflecting properties.
    Type: Grant
    Filed: August 3, 1984
    Date of Patent: November 4, 1986
    Assignee: Kleeper Beteilingungs GmbH & Co. Bootsbau KG
    Inventors: Werner Kuhlmann, Heinrich Uphoff