Patents by Inventor Mark David Zeigler

Mark David Zeigler 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).

  • Process for controlling torque in a calendering system
    Patent number: 7325489
    Abstract: A method for controlling a calendering system having a first roll and a second roll is disclosed. The first roll has a first roll torque controller and a first roll speed controller. An exemplary method comprises the steps of: (a) setting said first roll at a desired process speed with said first roll speed controller; (b) determining a target torque of said first roll; (c) contactingly engaging said first and second rolls; (d) measuring an actual torque of said first roll; (e) comparing said target torque and said actual torque; and, (f) adjusting a speed of said first roll with said first roll torque controller to maintain said target torque of said first roll according to said comparison of said target torque and said actual torque.
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: February 5, 2008
    Assignee: The Procter & Gamble Company
    Inventors: Mark David Zeigler, Michael Joseph Franz
  • Process for controlling torque in a calendering system
    Publication number: 20070283823
    Abstract: A method for controlling a calendering system having a first roll and a second roll is disclosed. The first roll has a first roll torque controller and a first roll speed controller. An exemplary method comprises the steps of: (a) setting said first roll at a desired process speed with said first roll speed controller; (b) determining a target torque of said first roll; (c) contactingly engaging said first and second rolls; (d) measuring an actual torque of said first roll; (e) comparing said target torque and said actual torque; and, (f) adjusting a speed of said first roll with said first roll torque controller to maintain said target torque of said first roll according to said comparison of said target torque and said actual torque.
    Type: Application
    Filed: June 13, 2006
    Publication date: December 13, 2007
    Inventors: Mark David Zeigler, Michael Joseph Franz