Patents by Inventor Edward Stanley Swiatovy, Jr.

Edward Stanley Swiatovy, Jr. 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).

  • Single die co-extrusion apparatus for insulation
    Patent number: 4093414
    Abstract: This invention is a single die by which thermoplastic insulating compounds can be co-extruded without any die for the first layer. It makes possible the extrusion of a high-density solid polyethylene skin layer over a cellular polyethylene primary insulation. Such a combination is difficult or impossible to make with a conventional co-extrusion die having a wire guide tip, one combination tip/die and a secondary extrusion die.
    Type: Grant
    Filed: September 16, 1976
    Date of Patent: June 6, 1978
    Assignee: General Cable Corporation
    Inventor: Edward Stanley Swiatovy, Jr.