Patents by Inventor Peter Bierhalter

Peter Bierhalter 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: 11110499
    Abstract: This circular rolling mill has a fixed main frame, a pair of cylindrical rollers, internal and external, to shape internal and external radial faces of an annular part and supported by a first secondary frame mounted on the main frame, as well as a pair of conical rollers, upper and lower, to shape opposite front faces of the part and supported by a second secondary frame mounted on the main frame. At least one rack and pinion assembly moves a roller in translation relative to one of the secondary frames. At least one electric geared motor drives the pinion of the rack and pinion assembly. The electric geared motor is fixedly mounted relative to one of the auxiliary frames. A fluid discharge mechanism is interposed in a kinematic chain for transmitting force between the rack and the roller moved by this rack. The fluid discharge mechanism has at least one variable volume chamber supplied with pressurized fluid and the volume of which varies as a function of the relative position of the roller and of the rack.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 7, 2021
    Assignee: FORGE PAT GMBH
    Inventor: Peter Bierhalter
  • Publication number: 20110083486
    Abstract: The invention relates to a bush widening apparatus and a process by means of which it is possible to partially, in sections, forge at relatively low investment costs large and heavy bush blanks by means of a motor-driven, e. g. hydraulic, forming tool, and during which process both the diameter and the height of these banks increase in size.
    Type: Application
    Filed: June 2, 2008
    Publication date: April 14, 2011
    Inventors: Peter Bierhalter, Hartmut Maier, Siegfried Gröne