Patents by Inventor Hugo Boeckman

Hugo Boeckman 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).

  • Method to improve welding of profiled plastic film or tape
    Patent number: 5273511
    Abstract: A method for providing a welded side seam area in a plastic bag or package having interlocking male and female profile sections on plies of plastic sheeting material includes the provision of cut-outs through one of the male and female profile sections and contiguous plastic sheeting material at preselected intervals therealong. The welds, which may be provided by a seal bar or jaws, are provided along lines including or passing through the cut-outs. A thinner and more leak-resistant side seam area between bags or packages is the result.
    Type: Grant
    Filed: March 30, 1993
    Date of Patent: December 28, 1993
    Assignee: Illinois Tool Works Inc.
    Inventor: Hugo Boeckman