Patents Assigned to Swedoor Aktiebolag
  • Heat form pressed product and a method of heat form pressing
    Patent number: 4844968
    Abstract: A thin, plate-shaped object, especially a door skin, and a method of manufacturing such object, comprising a resin impregnated outer layer arranged directly onto a layer of a binder impregnated wood fine chips layer acting as a forming support for the fibre sheet material.A layer of coarse wood chips acts as a reinforcing and handling characteristics defining layer for the relatively large (some m.sup.2) and relatively thin (2 to 5 millimeteres) door skin.
    Type: Grant
    Filed: April 14, 1987
    Date of Patent: July 4, 1989
    Assignee: Swedoor Aktiebolag
    Inventors: Goran Persson, Ove Gustavsson, Bernt-Ola Hugosson