Patents by Inventor Robert John Glenn

Robert John Glenn 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).

  • Automatic rotamoulding apparatus and method of control
    Patent number: 5868979
    Abstract: A method for controlling an automatic rotamolding process, the method including the steps of: metering a first prescribed quantity of plastics material powder into a hopper to be delivered to a rotatable mold as a first shot; heating the mold; when the mold reaches a prescribed temperature, delivering the first shot of powder from the hopper to the mold and simultaneously rotating the mold so as to distribute the powder over an interior surface of the mold; heating the mold in accordance with a predetermined temperature-time characteristic; cooling the mold; and ejecting the finished rotamolded product from the mold.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: February 9, 1999
    Assignee: Automated Plastic Systems Pty. Ltd.
    Inventor: Robert John Glenn