Patents by Inventor Vasileios Sidiropoulos

Vasileios Sidiropoulos 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 and apparatus for welding reinforced polymers
    Publication number: 20050230025
    Abstract: This invention relates to a method and apparatus for increasing the strength of a particle-reinforced polymer weld joint, comprising compressing and elongating the molten film of polymer at the weld plane of a joint, such that all or a portion of the reinforcing particles in the molten film are reoriented with their longitudinal axes not parallel to the weld plane. In a preferred embodiment, the molten film is oscillated in a direction substantially perpendicular to the weld plane.
    Type: Application
    Filed: May 2, 2003
    Publication date: October 20, 2005
    Inventors: Philip Bates, Brenda Tucker, Robert Tucker, Vasileios Sidiropoulos