Patents by Inventor Hermann Egger

Hermann Egger 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).

  • Sterilizing device for web shaped packaging material
    Patent number: 3947249
    Abstract: A sterilizing device for web shaped packaging material in which the length of travel of the web after sterilant has been applied is increased, prior to the drying operation, and the sterilant on the film is heated during this increased path in order to increase the activity of the sterilant and allow complete sterilization even at high speeds. This is accomplished by a heated metal cylinder and a chamber which surrounds the web between the cylinder and the drying operation, into which chamber is blown heated sterile air.
    Type: Grant
    Filed: April 15, 1974
    Date of Patent: March 30, 1976
    Assignee: Quepor S.A.
    Inventor: Hermann Egger
  • Device for the sterilization of packaging material
    Patent number: 3933428
    Abstract: A sterilization apparatus for plastic webbing comprises a chamber containing one or more rollers having a porous surface. Disinfectant is fed through the porous roller surface as the webbing passes thereover, thus sterilizing the surface of the webbing.
    Type: Grant
    Filed: December 4, 1973
    Date of Patent: January 20, 1976
    Assignee: Quepar S.A.
    Inventor: Hermann Egger