Patents by Inventor Karl-Albert Hardenacke

Karl-Albert Hardenacke 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).

  • Mold-changing apparatus for injection-molding machine
    Patent number: 4472127
    Abstract: An injection-molding machine whose mold-carrying plates are provided with quick-release locking devices for engagement with adapter plates on respective halves on the mold, also has at least one of the plates provided with a horizontal transverse guide for the mold whereby the mold can be inserted laterally and removed laterally. A carriage is displaceable along the machine and has roller conveyors and a device for drawing a mold from the machine onto the roller conveyor or pushing a mold from a roller conveyor onto the machine.
    Type: Grant
    Filed: April 26, 1983
    Date of Patent: September 18, 1984
    Assignee: Battenfeld Maschinenfabriken GmbH
    Inventors: Wilhelm Cyriax, Gunter Langenecker, Karl-Albert Hardenacke