Patents Assigned to M. Y Trondex Limited
  • Patent number: 5308560
    Abstract: A process for producing a moulding from an expanded styrene polymer. This process comprises applying gas pressure to particles of the polymer, introducing the particles under pressure into a mould, and reducing the pressure to allow at least some of the particles to expand in the mould and bond together to form the moulding.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: May 3, 1994
    Assignee: M. Y Trondex Limited
    Inventors: Norman W. Bibby, Oskar L. Willi