Patents by Inventor Alexander Ruttgers

Alexander Ruttgers 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).

  • Patent number: 9895735
    Abstract: A method and a device are provided for joining the ends of strips with two or more surfaces arranged flat on top of each other, more particularly metal sheets that can be coiled, in order to draw these successively through a treatment or machining system. It is provided that the strip ends are joined by means of a plurality of eyelets arranged essentially transversally to the strip direction, wherein initially all holes are simultaneously punched in a first stroke and then all eyelets are pressed in a second stroke. The device has a clamping device and a machining unit, which has a working tool with a plurality of punching and pressing tools, wherein the working tool and a die are displaceable by the distance between two neighboring individual tools and wherein above the punching and pressing tools, a pressing device is provided.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: February 20, 2018
    Assignee: Otto Junker GmbH
    Inventors: Klaus Schmitz, Robert Brull, Alexander Ruttgers
  • Publication number: 20140366359
    Abstract: A method and a device are provided for joining the ends of strips with two or more surfaces arranged flat on top of each other, more particularly metal sheets that can be coiled, in order to draw these successively through a treatment or machining system. It is provided that the strip ends are joined by means of a plurality of eyelets arranged essentially transversally to the strip direction, wherein initially all holes are simultaneously punched in a first stroke and then all eyelets are pressed in a second stroke. The device a clamping device and a machining unit, which has a working tool with a plurality of punching and pressing tools, wherein the working tool and a die are displaceable by the distance between two neighbouring individual tools and wherein above the punching and pressing tools, a pressing device is provided.
    Type: Application
    Filed: December 3, 2012
    Publication date: December 18, 2014
    Inventors: Klaus Schmitz, Robert Brull, Alexander Ruttgers