Patents by Inventor Ake Sigurd Ljungqvist

Ake Sigurd Ljungqvist 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: 6244019
    Abstract: The present invention relates to packages for stacked can lids, a method of producing such packages, devices for implementing said method, devices for automated unpacking of the above nature and a system for packing and unpacking can lids. The packages are formed with an open end, which is closed in that the bag end, when in unfolded condition, is compressed and is provided with fastening means retaining said closed condition. In addition, the closing device closes the open package end by compressing the bag end in the unfolding condition and in that fastening means are applied retaining said closed condition, and the unpacking device causes relative movement of the packages and the can lids contained therein in such a manner that the can lids are pressed against the package end closed by means of said fastening means.
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: June 12, 2001
    Assignee: Nordisk Platindustri Benetec AB
    Inventors: Ake Sigurd Ljungqvist, Weine Agne, Magnus Wigenstedt