Patents by Inventor Friedrich Klopper

Friedrich Klopper 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).

  • Raisable extruder head for extruders
    Patent number: 4666392
    Abstract: An extrusion die having pivotally mounted parts disposed at the die outlet and pivotal locking members for latching the pivotal parts closed.
    Type: Grant
    Filed: May 10, 1985
    Date of Patent: May 19, 1987
    Assignee: Continental Gummi-Werke Aktiengesellschaft
    Inventors: Klaus Gerloff, Hans Menell, Ludolf Bark, Friedrich Klopper, Gerhard de Vries
  • Device for transferring tire carcasses from a tire building-up station to a forming station
    Patent number: 4007080
    Abstract: A device for transferring a tire carcass having a substantially cylindrical outer surface and provided with core rings, from a tire building-up station to a forming station. This transfer is effected by means of an annular holder composed of segments and provided with suction cups adapted to be placed onto the outer substantially cylindrical surface of the carcass to be transferred for supporting the carcass. The holder is variable in diameter and is supported by a carrier which is movable from the tire building-up station to the forming station. The holder has curved segmental supporting elements for supporting at least one end portion of a carcass engaged and carried by the suction cups which are selectively connectable to a vacuum creating device.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: February 8, 1977
    Assignee: Continental Gummi-Werke Aktiengesellschaft
    Inventor: Friedrich Klopper