Patents by Inventor Evert J. Vollers

Evert J. Vollers 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).

  • Method of manufacturing a metallic belt of high strength, and apparatus for use in said method
    Patent number: 4164134
    Abstract: A method of manufacturing an endless metallic belt of high strength for use as a drive belt or a part of a drive belt. A stress gradient is introduced in the belt in the radial direction thereof by bending the belt at such a radius as to produce plastic deformation of the metal. The belt is first subjected to tensile stress, which stress is maintained during the bending process.
    Type: Grant
    Filed: August 11, 1977
    Date of Patent: August 14, 1979
    Assignee: Van Doorne's Transmissie B.V.
    Inventor: Evert J. Vollers