Patents Assigned to Stora Publication Paper AG
  • Device and process for producing a paper web
    Patent number: 6391157
    Abstract: A method and apparatus for producing a web. The apparatus includes a machine for providing a web having an output end at least one refining device arranged in a region of the output end and a longitudinal cutting device located at the output end. In this manner, the web is cut into web strips. The method includes feeding a web, cutting the web into longitudinal sections, and refining the longitudinal sections.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: May 21, 2002
    Assignees: Stora Publication Paper AG, Voith Sulzer Papiertechnik Patent GmbH
    Inventor: Hanspeter Elger
  • Reel winding device and process of winding
    Patent number: 6290168
    Abstract: A reel winding device comprising a center drum, and a winder drum arrangement. The center drum and the winder drum define at least one winding bed. At least one winding roll is received in the at least one winding bed. The winder drum arrangement has a support body for each winding roll. The support body has front sides with predetermined extensions at its axial ends, thus leaving a free working space. The working space is provided to permit a roll core mechanism to be driven into place.
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: September 18, 2001
    Assignees: Stora Publication Paper AG, Voith Sulzer Papiertechnik Patent GmbH
    Inventor: Hanspeter Elger
  • Process for improving printing paper
    Patent number: 6251223
    Abstract: A process for improving gravure and offset printability of coated and uncoated printing papers by increasing filler share in the paper on the top and bottom sides or in the outer layers of the paper web by using a retention agent, and providing the outerlayers of the fiber bearing liquid forming the paper web with additional retention agent before or during sheet formation on or between the wires of the paper making machine.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: June 26, 2001
    Assignee: Stora Publication Paper AG
    Inventors: Hansjörg Kessler, Dieter Horand, Wolfram Friesen