Patents by Inventor Richard T. Sunderland

Richard T. Sunderland 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).

  • Patent number: 4426837
    Abstract: Apparatus for stranding wires and covering them in plastics insulation by providing a rotationally flexible elongate member with spaced wire guiding elements, twisting means for twisting the member alternately in opposite directions, and an extension to the elongate member, the extension lying radially within an annular extruder barrel and terminating adjacent the extrusion orifice. In an arrangement for simultaneously stranding wires into different groups and covering the groups within the same insulation, reversible driving means for two or more elongate members is mounted upon a frame. Preferably, each elongate member has its own individual driving means.
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: January 24, 1984
    Assignee: Northern Telecom Limited
    Inventors: Norbert J. Meilenner, Richard T. Sunderland, John W. Cook