Patents by Inventor Thomas J. Niedergeses

Thomas J. Niedergeses 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).

  • Bead seal ring unit
    Patent number: 4634357
    Abstract: A bead seal ring for use in the retreading of radial tires by use of a bead sealing ring unit that provides positive mechanical pressure for sealing the curing envelope between the bead sealing ring unit and the bead area of the tire by a radial force. In its relaxed or initial condition, the bead sealing ring unit has a diameter smaller than the bead diameter of the tire. The bead sealing ring unit is placed into sealing position and then expanded by a locking device secured to a metal band which is part of the bead sealing ring unit.
    Type: Grant
    Filed: November 8, 1985
    Date of Patent: January 6, 1987
    Assignee: Bandag Licensing Corporation
    Inventors: Donaldee Brewer, Ronald R. Seiler, Thomas J. Niedergeses