Now showing items 1-4 of 4

    • End effector for forming swept friction stir spot welds 

      Burford, Dwight A. (United States Patent and Trademark Office, 2013-05-21)
      An apparatus includes a connector and is configured to mount to a machine having multiple axes of control. A control signal on the connector determines a path of a rotating tool holder.
    • End effector for forming swept friction stir spot welds 

      Burford, Dwight A. (United States Patent and Trademark Office, 2015-09-15)
      An apparatus includes a connector and is configured to mount to a machine having multiple axes of control. A control signal on the connector determines a path of a rotating tool holder.
    • Friction stir welding tool having a counterflow pin configuration 

      Burford, Dwight A. (United States Patent and Trademark Office, 2011-05-17)
      A friction stir welding tool having one or more tapered flats for promoting flow of weld material toward the pin terminus and one or more counter-spiraling channels or threads which for promoting flow of the weld material ...
    • Friction stir welding tool having a scroll-free concentric region 

      Burford, Dwight A. (United States Patent and Trademark Office, 2011-09-13)
      A friction stir welding tool having a shoulder section with a scroll pattern that terminates prior to the edge or boundary of the shoulder section to create a scroll-free concentric surface area.