Patents by Inventor Sture Ahlskog

Sture Ahlskog 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 and apparatus for drying a moving web
    Patent number: 4918828
    Abstract: Apparatus for drying a moving web includes a first infrared dryer unit having a first infrared treatment gap, a gas-support unit situated substantially immediately after the first infrared dryer unit and having a gas-support unit gap into which web-supporting gas blowings are directed, and a second infrared dryer unit situated after the gas-support unit and having a second infrared treatment gap. The gas-support gap has a width which is less than the width of the first infrared gap and the width of the second infrared treatment gap is less than the width of the first infrared treatment gap and greater than the width of the gas-support gap.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: April 24, 1990
    Assignee: Valmet Paper Machinery Inc.
    Inventors: Reijo Ruottu, Raimo Rajala, Ilkka Jokioinen, Sture Ahlskog