Patents by Inventor Raymond W. Monroe

Raymond W. Monroe 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).

  • Flow control nozzle for bottom-pour ladles
    Patent number: 4785979
    Abstract: A flow control nozzle for bottom-pour ladles having a castellated entry and cruciform exit to inhibit the break up of an exiting liquid metal stream from a bottom-pour ladle while using a conventional stopper-rod to control the flow of the liquid metal stream to a mold. The nozzle is formed of a fused silica, sintered calcia or other appropriate refractories to inhibit nozzle blockage.
    Type: Grant
    Filed: July 28, 1987
    Date of Patent: November 22, 1988
    Assignee: Casteel Technology Associates, Ltd.
    Inventors: John M. Svoboda, Raymond W. Monroe
  • Gating apparatus
    Patent number: 4736788
    Abstract: A bottom circular tray, a circular top cap and one or more circular disks are coupled thereto, the disks, the top cap and the bottom tray having a common central sprue or cylinder. The plurality of disks form an ascending spiral path from the bottom tray to the top cap. Liquid metal will flow through the central sprue to the bottom tray and up through the ascending spiral path to the top cap and into the mold cavity to form an inclusion free casting.
    Type: Grant
    Filed: July 28, 1987
    Date of Patent: April 12, 1988
    Assignee: Casteel Technology Associates, Inc.
    Inventors: John M. Svoboda, Raymond W. Monroe