Patents by Inventor Knut A. Rosenberg

Knut A. Rosenberg 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).

  • Weblike laminated packing material and a method for the manufacture of such a material
    Patent number: 4256791
    Abstract: A web-like laminated material with a projecting edge strip is disclosed. The laminated material comprises at least one carrier layer and at least one intermediate metal foil layer and at least one thermoplastic covering layer. The edge strip projects from at least one longitudinal edge of the carrier layer such that a portion of the layer of metal foil extends from the carrier layer and a wider portion of the covering thermoplastic layer extends from the metal foil layer. A method of manufacturing the web-like laminated material having such an edge strip is also disclosed.
    Type: Grant
    Filed: November 15, 1979
    Date of Patent: March 17, 1981
    Assignee: Tetra Pak International AB
    Inventors: Sven N. H. Holmstrom, Knut A. Rosenberg