Patents by Inventor Robert J. Unthank

Robert J. Unthank 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).

  • Apparatus for continual application on a continuous material web
    Patent number: 5464497
    Abstract: The invention relates to an apparatus for the continual application of cut pieces of a strip to a continuous material web. The apparatus includes a station drum provided with a plurality of sealing devices. The strip pieces are transported to the sealing devices by transport rollers, which cut the strip into pieces. The continuous material web passes the sealing devices and the strip pieces are sealed to the material web. The material web is kept in register by means of a register maintenance device.
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: November 7, 1995
    Assignee: Tetra Laval Holdings & Finance S.A.
    Inventor: Robert J. Unthank