Patents by Inventor Albert H. Buchmann

Albert H. Buchmann 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: 4185814
    Abstract: A vacuum pick up and transfer head adapted for handling flimsy sheets of material such as spacer sheet and uncured ceramic sheet commonly referred to as green sheet. The vacuum transfer head is of generally rectangular configuration having a sheet contacting lip having vacuum slots formed through the periphery thereof to hold the sheets in place by vacuum pressure. The center of the sheet contacting face is recessed whereby, with a sheet in place and acting as a diaphragm, a central vacuum chamber is also defined. A series of check valves are provided to control application of vacuum and positive pressure to the green sheet for picking the sheet up, retaining it and stripping it. A plurality of probes are provided in the handling head, adapted to selectively project through the sheet contacting surface for detecting green sheet and/or spacer sheet utilized inbetween layers of green sheet.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: January 29, 1980
    Assignee: International Business Machines Corporation
    Inventors: Albert H. Buchmann, Thomas J. Cochran, Walter W. Ficker, Alfred A. Stricker, Walter von Kaenel