Patents by Inventor Roy E. Sullivan

Roy E. Sullivan 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 of and apparatus for lubricating cable during continuous dry curing
    Patent number: 4360492
    Abstract: Disclosed is a method and apparatus for continuously lubricating cable during continuous dry curing of cable insulation to reduce friction between the cable insulation and the dry curing apparatus, thereby eliminating cable oscillation and vibration to increase product quality and the speed of production.
    Type: Grant
    Filed: November 5, 1980
    Date of Patent: November 23, 1982
    Assignee: Southwire Company
    Inventors: Bobby A. Rowland, Roy E. Sullivan, William R. Dodson, Steve C. Bohannon
  • Multiple layer extrusion tooling having a tip enabling extrusion of one layer onto a substrate at a point outside of the extrusion head
    Patent number: 4303734
    Abstract: Disclosed is an apparatus and method for extruding primary insulation and insulation shielding onto an advancing shielded conductor strand in one operation without causing inward protrusions of insulation shielding compound particles into the primary insulation comprising an extruder head with a starter tip, an antiprotrusion tip and a die.
    Type: Grant
    Filed: December 6, 1979
    Date of Patent: December 1, 1981
    Assignee: Southwire Company
    Inventor: Roy E. Sullivan