Patents by Inventor Robert B. Davidovich

Robert B. Davidovich 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: 7182827
    Abstract: The present invention is directed to the welding of a trailing sheet tail on a roll of sheet material to an underlying layer of the sheet material on the roll to form a finished roll product ready for packaging. A device for effecting the welding comprises a thermally conductive, heat sealing disk mounted for rotation about an axis, and a heating element for heating an inner portion of the disk so as to cause thermal conduction through an outer portion of the disk towards an outer peripheral surface thereof. The heat sealing disk is mounted for engagement with the outer surface of the trailing sheet tail to weld this tail to the underlying layer of sheet material on the roll.
    Type: Grant
    Filed: July 25, 2003
    Date of Patent: February 27, 2007
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Carl James Davis, Joseph Richard Zeeben, Robert B. Davidovich