Patents by Inventor Gunnar Westerlund

Gunnar Westerlund 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).

  • Patent number: 6756090
    Abstract: Apparatus is disclosed for molding a load-bearing element of reinforced thermoplastic material provided from a material charge including a thermoplastic matrix material of a non-permeable plastic membrane and a reinforcement material, the apparatus including a molding tool having first and second molding surfaces which are juxtaposed in a closed molding position producing at least one internal cavity having dimensions corresponding to the load-bearing element, a heater for heating the matrix material to a temperature above its softening temperature, a pressurizer for providing a pressure or vacuum force to urge the matrix material against at least one of the molding surfaces with the reinforcement material therebetween in order to urge the reinforcement material against one of the first and second molding surfaces to mold and consolidate the material charge. Methods for molding these load-bearing elements and novel load-bearing elements themselves are also disclosed.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: June 29, 2004
    Assignee: Volvo Personvagnar AB
    Inventor: Gunnar Westerlund