Patents by Inventor Matthias Kastl

Matthias Kastl 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: 4306348
    Abstract: A riveting device for joining a suspension or fastening device, particularly a ring mechanism, to a folder, comprises, a holder for positioning a folder in vertical alignment with a fastening device and below riveting means which is capable of moving through the fastening device and the folder to rivet them together. The support structure includes a lifting element engageable with one of the folder or the fastening device to move it relative to the other below the riveting means and into interengagement in a position for it to be riveted from the opposite side by the riveting device. With the invention, either the folder or the fastening device is arranged one over the other and below a riveting head and a lifting element is disposed to engage with the lower one of the two elements and move it upwardly into engagement with the other in a position to receive the rivet from the rivet head.
    Type: Grant
    Filed: January 24, 1980
    Date of Patent: December 22, 1981
    Assignee: Constantin Hang GmbH & Co.
    Inventors: Eberhard Hang, Matthias Kastl
  • Patent number: 4262404
    Abstract: A riveting device for joining a suspension or fastening device, particularly a ring mechanism, to a folder, comprises, a holder for positioning a folder in vertical alignment with a fastening device and below riveting means which is capable of moving through the fastening device and the folder to rivet them together. The support structure includes a lifting element engageable with one of the folder or the fastening device to move it relative to the other below the riveting means and into interengagement in a position for it to be riveted from the opposite side by the riveting device. With the invention, either the folder or the fastening device is arranged one over the other and below a riveting head and a lifting element is disposed to engage with the lower one of the two elements and move it upwardly into engagement with the other in a position to receive the rivet from the rivet head.
    Type: Grant
    Filed: November 28, 1978
    Date of Patent: April 21, 1981
    Assignee: Firma Constantin Hang GmbH & Co.
    Inventors: Eberhard Hang, Matthias Kastl