Patents by Inventor Paula M. Tuebo

Paula M. Tuebo 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).

  • Apparatus for cutting a keyway in a mill roll
    Patent number: 5439335
    Abstract: The present invention relates to a method and apparatus for forming a longitudinally extending keyway portion in a mill roll having a central bore. The keyway portion may be either a keyway or a tab portion. A cutting head is provided, and includes a body and one or more cutting tools extending from the periphery of the cutting head body. The cutting head is driven through the central bore of the mill roll, and the cutting tools form one or more keyway portions adjacent and communicating with the central bore.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: August 8, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gary L. Curtis, Gregory A. Johnson, Paula M. Tuebo
  • Method for cutting a keyway in a mill roll
    Patent number: 5439435
    Abstract: The present invention relates to a method and apparatus for forming a longitudinally extending keyway portion in a mill roll having a central bore. The keyway portion may be either a keyway or a tab portion. A cutting head is provided, and includes a body and one or more cutting tools extending from the periphery of the cutting head body. The cutting head is driven through the central bore of the mill roll, and the cutting tools form one or more keyway portions adjacent and communicating with the central bore.
    Type: Grant
    Filed: October 27, 1994
    Date of Patent: August 8, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gary L. Curtis, Gregory A. Johnson, Paula M. Tuebo
  • Method and apparatus for cutting a keyway in a mill roll
    Patent number: 5247740
    Abstract: A method for forming a longitudinally extending keyway portion in a mill roll having a central bore, in which the keyway portion may be either a keyway or a tab portion. A cutting head is provided, and includes a body and one or more cutting tools extending from the periphery of the cutting head body. The cutting head is driven through the central bore of the mill roll, and the cutting tools form one or more keyway portions adjacent and communicating with the central bore.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: September 28, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gary L. Curtis, Gregory A. Johnson, Paula M. Tuebo