Patents by Inventor Jörg Prey

Jörg Prey 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: 7168280
    Abstract: Roll-changing tool having a dismantling device which can be supported on a rolling machine by a hook and which, on a carrier, has a lifting device mounting and a roll holder for a roll journal of a roll, the carrier having a trolley which can be moved in its longitudinal direction into the region of its head, carries the roll holder, whose holding opening faces the head and is located underneath the carrier, and the hook, which opens at the bottom, being fixed to the head of the carrier with a shaft extension ending in a projecting manner transversely with respect to the running direction of the trolley.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: January 30, 2007
    Assignee: Eduard Kusters Maschinenfabrik GmgH & Co. KG
    Inventors: Wolfgang Mark, Jörg Prey, Bernd Diepers
  • Patent number: 6688218
    Abstract: A calender for treating a paper web, having at least one roll stack capable of being loaded from the end and in each case comprising a top and bottom end roll and a plurality of intermediate rolls, which are jointly arranged in a roll stack plane, and the rolls including hard and soft rolls in order to form operating nips in the form of soft nips, wherein each soft roll which forms an intermediate roll has a greater diameter than a soft roll which forms an end roll.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: February 10, 2004
    Assignee: Eduard Küsters Maschinenfabrik GmbH & CO KG
    Inventors: Peter Svenka, Bernhard Brendel, Jörg Prey, Helmut Kox