Patents by Inventor Franz Schall

Franz Schall 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: 6389863
    Abstract: A stripper assembly used in combination with a metal-extrusion press having a die with a back face on which residue is formed during an extrusion operation, has a blade carrier movable generally parallel to the die back face, a blade pivotal on the carrier and having an edge engageable with the die back face, and a biasing element braced between the blade and the carrier for urging the blade edge with a predetermined force transversely against the die back face. The biasing element is a pack of spring washers. The blade has a back stripper face and the carrier has a confronting front stripper face. One of the stripper faces is formed with a pocket open toward the other of the stripper faces and holding the biasing element. The stripper assembly further has a stop bolt threaded into the carrier, extending through the blade, and having a head engageable with a front face of the blade.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: May 21, 2002
    Assignee: SMS Eumuco GmbH
    Inventors: Heinrich Ziemons, Franz Schall
  • Patent number: 5201401
    Abstract: In a horizontal extrusion press, a longitudinal discharge conveyor (2) comprises a plurality of short tandemly arranged longitudinal conveyor units (12), each comprising chains (18) and workpiece support beams (19,20), and a transverse conveyor (3) having stationary conveying elements (13) extending into spaces between the successive longitudinal conveyor units (12). The longitudinal conveyor units are raised and lowered relative to the transverse conveyor, in order to transfer extruded products from the longitudinal conveyor onto the transverse conveyor.
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: April 13, 1993
    Assignee: SMS Hasenclever GmbH
    Inventors: Kurt Haderer, Franz Schall