Patents by Inventor David C. Jorgensen

David C. Jorgensen 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: 5018660
    Abstract: A liquid carrying, thermoplastic coated paperboard container including a top end closure, a four-sided body portion, and a bottom end closure, wherein various end closure panels are folded so as to abut against one another to become sealed thereagainst. To effectuate the sealing, a pressure sensitive, food grade adhesive is applied to at least one of each two abutting surfaces and the abutting surfaces are pressed together without the application of heat or high frequency vibration. The adhesive may be applied to the blank during the converting process, or while the blank is being formed into a container on the forming, filling and sealing machine.
    Type: Grant
    Filed: May 22, 1990
    Date of Patent: May 28, 1991
    Assignee: Elopak Systems, A.G.
    Inventors: Leo J. Esper, David C. Jorgensen, Howard E. Murrah, Michael G. Schneider, Raymond M. Phillips, Bruce C. Dauzy