Patents by Inventor Bengt Nordström

Bengt Nordström 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).

  • Multi-ply web forming method and apparatus and a multi-ply paper or board product formed hereby
    Patent number: 6342125
    Abstract: A multi-ply web forming method and apparatus are disclosed for forming a top ply onto a base ply. A fiber suspension jet is by means of a secondary headbox (21; 21′, 26) delivered into a twin-wire roll nip created by two tensioned wires (16, 22; 16′, 22′; 22, 27) one of which (16; 16′, 22) carries the moist base ply.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: January 29, 2002
    Inventor: Bengt Nordström