Patents by Inventor Eugene J. Cone

Eugene J. Cone 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).

  • Glass bead forming method
    Patent number: 4002446
    Abstract: Spherical regularity of glass beads is improved by catching a falling stream of hot beads in a bath of liquid quenching medium having a relatively low heat transfer coefficient controlled by maintaining a relatively high viscosity.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: January 11, 1977
    Assignee: PPG Industries, Inc.
    Inventors: Joseph J. Hammel, Eugene J. Cone
  • Glass bead forming nozzles and method
    Patent number: 4002447
    Abstract: The diameters of glass beads formed by jetting molten glass through an orifice are changed without a shut-down by employing an orifice nozzle having a tapered tip. With such a nozzle, the bead diameter is changed by changing the velocity with which the glass is forced through the nozzle. This may be accomplished by changing either the pressure or the viscosity. Alternatively, the bead diameter can be changed by using interchangeable nozzles having different lengths.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: January 11, 1977
    Assignee: PPG Industries, Inc.
    Inventor: Eugene J. Cone
  • Method and apparatus for forming glass beads
    Patent number: 3997310
    Abstract: Glass beads are formed with a high rate of production by jetting an array of molten glass streams arranged around a central zone. The beads which are formed are caught in a quench bath, where they are immediately dispersed by a high-velocity radial stream of fluid from a nozzle located within the central zone. A secondary, low-velocity fluid stream is provided in the quenching bath to prevent localized over-heating.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: December 14, 1976
    Assignee: PPG Industries, Inc.
    Inventor: Eugene J. Cone