Patents by Inventor John Michael Tovey

John Michael Tovey 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: 5809741
    Abstract: The disclosure includes a carton concaving device capable of manipulating and maintaining the shape of a carton being sealed on a packaging machine. The device has a shaft which rotates with the movement of a conveyor chain thereby allowing for indexed movement of the device. The device has a plurality of rollers for deflecting the sidewalls of a carton about to be sealed at a top sealing station on a packaging machine. The device may be an add-on component or an integrated component of a packaging machine. The device reduces the number of bulged cartons being dispensed from a packaging machine.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: September 22, 1998
    Assignee: Tetra Laval Holdings & Finance, SA
    Inventor: John Michael Tovey