Patents by Inventor Cornelius Vandenberg

Cornelius Vandenberg 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).

  • Patent number: 10343420
    Abstract: A media sheet drive has a continuous belt of a dielectric material for transporting sheet media supported on the belt in a transport direction. A launch mechanism is used to launch a sheet medium onto a top surface of the belt. A charging circuit including a charging head is used to charge a top surface of the sheet medium and the belt as the sheet medium is launched. Charging acts to generate an electrostatic tacking force to tack the sheet medium to the belt. To prevent high electric field near the belt top surface which might otherwise affect the printing process, a neutralizing circuit is positioned downstream of the charging circuit to reduce electric field near the top of the belt by balancing charge at the top and bottom of the belt while keeping the sheet medium tacked to the belt.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: July 9, 2019
    Assignee: Delphax Technologies Inc.
    Inventors: Harry Young, Robert Stuart McCallum, Cornelius Vandenberg
  • Publication number: 20180326754
    Abstract: A media sheet drive has a continuous belt of a dielectric material for transporting sheet media supported on the belt in a transport direction. A launch mechanism is used to launch a sheet medium onto a top surface of the belt. A charging circuit including a charging head is used to charge a top surface of the sheet medium and the belt as the sheet medium is launched. Charging acts to generate an electrostatic tacking force to tack the sheet medium to the belt. To prevent high electric field near the belt top surface which might otherwise affect the printing process, a neutralizing circuit is positioned downstream of the charging circuit to reduce electric field near the top of the belt by balancing charge at the top and bottom of the belt while keeping the sheet medium tacked to the belt.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 15, 2018
    Inventors: Harry Young, Robert Stuart McCallum, Cornelius Vandenberg
  • Patent number: 5213033
    Abstract: The rotary screen printing apparatus is designed for ease of operation including adjustments and changes. The apparatus is also designed to fit into a press between the last print station and the first die cut station without modification to the press due to use of a 5 o'clock print position.
    Type: Grant
    Filed: May 10, 1991
    Date of Patent: May 25, 1993
    Assignee: Illinois Tool Works Inc.
    Inventors: Robert A. Bourgeois, Jon C. Zook, Cornelius A. Vandenberg