Patents by Inventor Philip E. Roll

Philip E. Roll 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).

  • Rope saw cutting apparatus and method for scarfing composites
    Patent number: 5271145
    Abstract: A rope saw cutting apparatus is partially insertable through a bore in a composite panel to scarf the panel without access to the blind side of the panel. The same apparatus can also be used to prepare a tapered repair plug to close tolerance to repair the scarfed panel. The apparatus preferably uses a rope saw blade to perform a plunge cut followed by a circumferential cut which has a desired taper or scarf angle.
    Type: Grant
    Filed: June 3, 1991
    Date of Patent: December 21, 1993
    Assignee: The Boeing Company
    Inventors: Everett A. Westerman, Jr., Philip E. Roll