Patents by Inventor Owen Joseph McGarel

Owen Joseph McGarel 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: 6565796
    Abstract: Disclosed is a method of sizing nonderivatized extruded cellulosic tubes by the use of a mandrel structure that includes a hollow sizing portion having openings which gather gas bubbles that may evolve at the interface between the extruded tube and the sizing portion and allows the gas to pass into the hollow interior of the mandrel. The mandrel contains a sizing portion larger than the extruded tube, which allows for improved sizing of nonderivatized extruded tubes that are used as casings.
    Type: Grant
    Filed: October 4, 2001
    Date of Patent: May 20, 2003
    Assignee: Viskase Corporation
    Inventors: Owen Joseph McGarel, Mickel E. Knight, Charles Joseph Mackus
  • Patent number: 6319457
    Abstract: A method and apparatus is disclosed for lacing an extruded tube of a non derivatized cellulose through an S-wrap to collapse the tube to a flat width. The lacing to form the S-wrap is accomplished without slowing the extrusion speed. At the start of the extrusion operation, the extrusion path leads between a pair of horizontally lacing members. After the leading edge of the extruded tube has passed downwardly through the space between the lacing members, the members are rotated as a unit to bring them into contact with opposite sides of the extruded tube. This collapses the and creates the S-wrap.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: November 20, 2001
    Assignee: Viskase Corporation
    Inventors: Paul Edmund DuCharme, Jr., Owen Joseph McGarel