Patents by Inventor Fritz Priebe

Fritz Priebe 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).

  • Combined hydraulic clamping and rotating saddle device on forging presses
    Patent number: 4391122
    Abstract: The moving crosshead of a forging press has quick-release clamping means for the upper press saddle comprising rotatable and retractable hammer-headed clamping rods, and means for rotating the upper saddle comprising a central rotatable hammer-headed rod engageable with and disengageable from a seat provided on the saddle and adapted to suspend the saddle while rotating it.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: July 5, 1983
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Fritz Priebe
  • Apparatus for fitting an extrusion die holder onto the press stem of an indirect metal extrusion press
    Patent number: 4213318
    Abstract: An extrusion die mounted in a die holder is fitted onto the end of the press stem of an extrusion press by apparatus which has a swing arm which receives a die holder in a first position, then pivots to a second position where the die holder is aligned with the extrusion press stem, rotates the die holder so that it is correctly oriented relative to the press stem and then pushes the die holder axially onto the press stem.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: July 22, 1980
    Assignee: Schloemann-Siemag Aktiengesellschaft
    Inventor: Fritz Priebe