Patents by Inventor Georg Eggert

Georg Eggert 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).

  • Gripping head of an hydraulic sheet stretcher
    Patent number: 4497193
    Abstract: A gripping head (1) comprises a plurality of vertical, spaced laminae (3) defining a gripping aperture (4) for gripping a sheet (7) to be stretched. The laminae (3) are welded at one edge to flanges of a horizontal cross member. In order to facilitate the welding, and to reduce the stress concentration factor at the weld, fillers (11) are arranged between the laminae at the said edge and the weld is a butt weld (13). After welding, the ends of the fillers (11) at the weld seam (13) are bored out (18) to remove cracks, or gaps (16, 17) between the fillers (11) and the laminae (3).
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: February 5, 1985
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Heinrich Kutz, Dietrich Grube, Georg Eggert, Rolf Stein