Patents by Inventor Anders Carlstedt

Anders Carlstedt 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).

  • Patent number: 4400957
    Abstract: The invention relates to a strip or sheet mill having working rolls, backup rolls and axially displaceable intermediate rolls positioned therebetween. Associated with the rolled strip of the rolling mill is a flatness measuring device (e.g., for measuring the distribution of the strip tension over the strip width), the output signals of the flatness measuring device being fed, together with signals representing the strip width, to at least two different evaluating members, one of these serving to deliver a regulating signal for adjusting the crown of the working rolls, and the other serving to deliver a regulating signal for adjusting the axial positions of the intermediate rolls.
    Type: Grant
    Filed: April 22, 1981
    Date of Patent: August 30, 1983
    Assignee: ASEA Aktiebolag
    Inventors: Anders Carlstedt, Ake Nilsson