Patents by Inventor Ernst G. Ernstsson

Ernst G. Ernstsson 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).

  • Arrangement for the sterilizing of a packing material web
    Patent number: 4233271
    Abstract: A arrangement for the sterilization of a web of packing material is provided which includes a container having an outer wall including an opening. A bath of sterilizing liquid is disposed within the container, with said liquid being conveyed onto the web by a rotary brush as the web is conveyed across the opening. Means to collect sterilizing liquid within the container after having contacted the web may also be provided.
    Type: Grant
    Filed: April 2, 1979
    Date of Patent: November 11, 1980
    Assignee: Tetra Pak International AB
    Inventors: Ernst G. Ernstsson, Alfred Fuchs
  • Method and an arrangement for the cleaning and sterilizing of a filler pipe on a packing machine
    Patent number: 4213795
    Abstract: A method and an arrangement for the cleaning and sterilizing of a filler pipe on a packing machine are disclosed. A cleaning and sterilizing duct is provided which can be concentrically arranged around the filler pipe, which duct is closed at one end and in tight engagement with the filler pipe at its other end, while also being connected to a drainage duct. Cleaning or sterilizing fluid can flow through the filler pipe, into the sterilizing duct, to be discharged through the drainage duct.
    Type: Grant
    Filed: February 8, 1978
    Date of Patent: July 22, 1980
    Assignee: Tetra Pak International AB
    Inventors: Ernst G. Ernstsson, Hans O. I. Nantin