Patents by Inventor Magnus Wikstöm

Magnus Wikstöm 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).

  • Soft nip calender employing a continuous elastic belt
    Patent number: 6598521
    Abstract: A calender having a heated first roll which is opposed to and forms a nip with a soft surface counter roll system comprised of a second roll which has an outer shell. An endless polyurethane belt or blanket having an inside diameter 5 to 50 mm larger than the outside diameter of the second roll shell, is mounted about the second roll. The outer circumferential edges of the polyurethane belt are held by clamping rings to bearings which are circumferentially mounted about the second roll on the roller gables. A small quantity of oil may be placed between the surface of the second roll shell and the polyurethane belt.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: July 29, 2003
    Assignee: Metso Paper, Inc.
    Inventor: Magnus Wikstöm