Patents by Inventor Peter B. Engler

Peter B. Engler 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: 4520615
    Abstract: Method and apparatus for forming a tube from a web of paper or film. A perforated endless belt has at least one vacuum box applied to the underside of one run. The web is fed onto the belt and held down by it. The leading portion of the web is folded rearwardly and the longitudinal edges of the web are folded inwardly to create a tube. The thus formed tube is continuously withdrawn rearwardly while product is inserted into the opening which is continuously being formed in the tube. The tube is longitudinally sealed and thereafter transversely sealed and transversely cut to form individual pouches.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: June 4, 1985
    Assignee: Doboy Packaging Machinery, Inc.
    Inventors: Peter B. Engler, Stanley D. Denker