Patents by Inventor Bjorn Mansson

Bjorn Mansson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for the production of particle boards
    Patent number: 4565662
    Abstract: A method for the production of particle boards by addition of a hydrophobing agent and a curable glue to wood based particles, shaping of the particle mass and subsequent curing of the glue by application of pressure and heat. The quality of the board is increased by keeping the hydrophobing agent heated above its melting temperature in the presence of the particles before the gluing.
    Type: Grant
    Filed: April 29, 1983
    Date of Patent: January 21, 1986
    Assignee: AB Casco
    Inventors: Bjorn Mansson, Kurt Sirenius, Birger Sundin
  • Cellulosic board
    Patent number: 4478966
    Abstract: A board of cellulose containing components using formaldehyde-based curable glues. By treatment of at least one part of the components at a low moisture content with a formaldehyde absorbing agent the board obtained after pressing get a low content of free formaldehyde and very good strength properties. The moisture content of the components at the treatment is lower than 12 percent by weight. The formaldehyde absorbing agent is preferably urea.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: October 23, 1984
    Assignee: AB Casco
    Inventors: Gote Helgesson, Bjorn Mansson, Nils-Hakan Wallin