Patents by Inventor Raymond L. Jelfo

Raymond L. Jelfo 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).

  • Renewable chow fuser coating
    Patent number: 4065585
    Abstract: A contact fuser assembly for use in an electrostatic reproducing apparatus including an internally heated fuser roll structure comprising a rigid, thermally conductive core which is coated during operation of the assembly with a thin layer of a normally solid thermally stable material with subsequent application of a liquid release agent to the coated core. In the preferred embodiment of the invention the coating material comprises a fluorocarbon telomer such as Vydax 1000 and the liquid release agent comprises a liquid silicone oil.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: December 27, 1977
    Assignee: Xerox Corporation
    Inventors: Raymond L. Jelfo, Stephen Strella, Willard C. Hamilton
  • Renewable chow fuser coating
    Patent number: 3934547
    Abstract: A contact fuser assembly for use in an electrostatic reproducing apparatus including an internally heated fuser roll structure comprising a rigid, thermally conductive core which is coated during operation of the assembly with a thin layer of a normally solid thermally stable material with subsequent application of a liquid release agent to the coated core. In the preferred embodiment of the invention the coating material comprises a fluorocarbon telomer such as Vydax 1000 and the liquid release agent comprises a liquid silicone oil.
    Type: Grant
    Filed: July 12, 1974
    Date of Patent: January 27, 1976
    Assignee: Xerox Corporation
    Inventors: Raymond L. Jelfo, Stephen Strella, Willard C. Hamilton