Patents by Inventor Arthur Dirks

Arthur Dirks 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).

  • Cross-cutter
    Patent number: 4756219
    Abstract: Cross-cutter for cutting web material, in particular corrugated cardboard, comprising a pair of knife shafts which are tubularly supported for rotation on a core secured in the machine frame and commonly driven by a drive means, the knives temporarily contacting each other during the cutting operation under bias, if necessary, at least one end of at least one core having associated therewith a power unit which produces a flexural moment at the core such that the knives abut against each other under bias during the contact.
    Type: Grant
    Filed: October 5, 1987
    Date of Patent: July 12, 1988
    Assignee: Peters Maschinenfabrik GmbH
    Inventors: Walter Pohl, Arthur Dirks
  • Machine for longitudinally cutting and grooving a length of material, especially corrugated board
    Patent number: 4563930
    Abstract: An apparatus for longitudinally cutting and grooving a continuously moving length of material. The device has at least two cutting and grooving units, each provided with separate cutting and grooving tools. The units are positioned at different vertical levels and are vertically movable in unison in the same direction to selectively place one of the units in position for operating and the other unit in position for adjustment.
    Type: Grant
    Filed: August 22, 1984
    Date of Patent: January 14, 1986
    Assignee: Werner H. K. Peters Maschinenfabrik GmbH
    Inventors: Manfred Schommler, Arthur Dirks