Patents by Inventor Taisto A. Nevalainen

Taisto A. Nevalainen 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).

  • Support apparatus for a dewatering unit in the web forming section of a paper machine
    Patent number: 4769111
    Abstract: The present invention relates to a support apparatus of a dewatering unit (30) below a bottom wire of the twin wire forming section of a paper or board machine.The problem in known, corresponding arrangements has been insufficient crosswise stiffness of the dewatering unit and lack of adjustability.The above-mentioned disadvantages have been eliminated or minimized by a support arrangement, characterized in that the dewatering unit (30) is supported on beams (36) transversely in view of the machine direction by means of a hose-like pressure-medium filled elements (37), which also allow a longitudinal adjustment of the dewatering unit by means of an adjusting element (38).
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: September 6, 1988
    Assignee: A. Ahlstrom Corporation
    Inventors: Taisto A. Nevalainen, Tapani E. Nyman