Patents by Inventor Bengt A. Unneberg

Bengt A. Unneberg 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).

  • Method for separating a paper web from a forming fabric in a paper-making machine
    Patent number: 4154648
    Abstract: A method for the separation of the paper web from the forming fabric in a paper-making machine comprising dividing the web into lengthwise strips to lessen the web adherence to the wire by utilization of a spray means incorporating a plurality of nozzles and then effecting web knock-down and separation from the wire by use of a slotted spray through which pressurized air jets are directed.Through this method very low pressures are required to achieve web separation and the risks of re-contact between web and wire are positively prevented.
    Type: Grant
    Filed: October 20, 1977
    Date of Patent: May 15, 1979
    Assignee: Nordiska Maskinfilt Aktiebolaget
    Inventors: Lars B. Osterberg, Bengt A. Unneberg