Patents by Inventor Ib Mortensen

Ib Mortensen 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).

  • Inner shell intended for a gyratory crusher, and method of attaching such a shell on a crushing head
    Patent number: 7823820
    Abstract: An inner shell has a first part of a lug-notch arrangement, which first part is arranged to co-operate with a second part of the arrangement to prevent rotation of the inner shell relative to a crushing head. The inner shell has a contact surface in its upper portion and is arranged to be pressed towards the lower portion of the crushing head by a pressing force which is obtained by tightening at least two threaded bolts, which are arranged in the upper portion of the crushing head such that their longitudinal direction is substantially parallel to the symmetry axis of the crushing head.
    Type: Grant
    Filed: May 14, 2008
    Date of Patent: November 2, 2010
    Assignee: Sandvik Intellectual Property AB
    Inventors: Bengt-Arne Eriksson, Knut Kjaerran, Kjell-Åke Svensson, Ib Mortensen
  • Inner shell intended for a gyratory crusher, and method of attaching such a shell on a crushing head
    Publication number: 20080290200
    Abstract: An inner shell has a first part of a lug-notch arrangement, which first part is arranged to co-operate with a second part of the arrangement to prevent rotation of the inner shell relative to a crushing head. The inner shell has a contact surface in its upper portion and is arranged to be pressed towards the lower portion of the crushing head by a pressing force which is obtained by tightening at least two threaded bolts, which are arranged in the upper portion of the crushing head such that their longitudinal direction is substantially parallel to the symmetry axis of the crushing head.
    Type: Application
    Filed: May 14, 2008
    Publication date: November 27, 2008
    Inventors: Bengt-Arne Eriksson, Knut Kjaerran, Kjell-Ake Svensson, Ib Mortensen