Patents by Inventor Ulrich Büttel

Ulrich Büttel 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).

  • Method and apparatus for sealing and cutting of foil tubes
    Patent number: 7093639
    Abstract: A procedure and device for longitudinal sealing and cutting of a film web, in particular a foil tube, in which the film web shows at least two layers of film, made of thermoplastic synthetic material, and in which the film web is sealed and cut in a continuous process by leading it through the device, in which the film first contacts the heating element in order to seal the two film layers by welding, in order to cut this sealed seam in the middle of the seam by guiding the film web over the cutting element, which dividends the sealed seam into at least two partial film tubes.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: August 22, 2006
    Assignee: D.R. Joseph, Inc.
    Inventors: Ulrich Büttel, Gerritt A. B., Frank Berrenbaum