Patents by Inventor Helmut Jansen

Helmut Jansen 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).

  • Apparatus for sealing containers
    Patent number: 3938305
    Abstract: An apparatus for sealing packaging containers formed at least in part of a bondable material. The apparatus includes a first bonding unit and a second bonding unit which are fixedly disposed with mutual spacing on an endless conveyor. A device is provided for removing a covered container from the first bonding unit, after the container is provided with a first bonded seam therein by application of heat and pressure, and transferring it to the second bonding unit. This removing and transferring device is disposed on the common path of rotation of the two bonding units. The second bonding unit effects the application of a second bonded seam to the covered container.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: February 17, 1976
    Assignee: Robert Bosch G.m.b.H.
    Inventors: Helmut Jansen, Klaus Vollmer