Patents Assigned to Aktiebolaget Platmanufaktur AB
  • Patent number: 4721223
    Abstract: A container assembly comprising a container of plastic material adapted for receiving a liquid and including a bottom of convex shape in the central portion of which the material is thicker and less oriented than in the outer portion and the side wall. A stabilizing foot supports the container and for this purposes is welded to the container in the central portion of the bottom thereof whereat the material is less oriented. The foot includes an annular projection extending downwardly from the portion welded to the container. The projection is hollow and forms an annular support foot including a rim which extends upwardly from the projection into smooth peripheral sliding engagement with the bottom of the container. The support foot is welded to the container while the middle portion of the projection is held against the middle portion of the bottom of the container.
    Type: Grant
    Filed: February 18, 1987
    Date of Patent: January 26, 1988
    Assignee: Aktiebolaget Platmanufaktur AB
    Inventor: Kjell M. Jakobsen
  • Patent number: 4293359
    Abstract: A container assembly comprising a container of plastic material adapted for receiving a liquid and including a bottom of convex shape in the central portion of which the material is highly oriented. A stabilizing foot supports the container and for this purposes is welded to the container in the central portion of the bottom thereof whereat the material is highly oriented. The foot includes an annular projection extending downwardly from the portion welded to the container. The projection is hollow and forms an annular support foot including a rim which extends upwardly from the projection into smooth peripheral sliding engagement with the bottom of the container. The support foot is welded to the container while the middle portion of the projection is held against the middle portion of the bottom of the container.
    Type: Grant
    Filed: July 11, 1979
    Date of Patent: October 6, 1981
    Assignee: Aktiebolaget Platmanufaktur AB
    Inventor: Kjell M. Jakobsen
  • Patent number: 4196039
    Abstract: A container assembly comprising a container of plastic material adapted for receiving a liquid and including a bottom of convex shape in the central portion of which the material is highly oriented. A stabilizing foot supports the container and for this purpose is welded to the container in the central portion of the bottom thereof whereat the material is highly oriented. The foot includes an annular projection extending downwardly from the portion welded to the container. The projection is hollow and forms an annular support foot including a rim which extends upwardly from the projection into smooth peripheral sliding engagement with the bottom of the container. The support foot is welded to the container while the middle portion of the projection is held against the middle portion of the bottom of the container.
    Type: Grant
    Filed: July 27, 1978
    Date of Patent: April 1, 1980
    Assignee: Aktiebolaget Platmanufaktur AB
    Inventor: Kjell M. Jakobsen