Patents Assigned to Tetra Pak AB
  • Patent number: 5096306
    Abstract: A package is disclosed comprising two members formed together. One of the members is a closed member of cardboard or a corresponding material, and the other member is flexible. The rigidifying member has a closed peripheral portion, and a completely covering bottom which is continuous with the peripheral portion. The flexible member is fastened along its entire periphery at sufficient points on the outer member such that the package has a stable shape.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: March 17, 1992
    Assignee: Tetra Pak AB
    Inventors: Bengt Perrson, Lennart A. Stenstrom, Lennart Wahlstrom