Patents by Inventor Walter FÄH

Walter FÄH 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: 9616400
    Abstract: A driving device of a metering and mixing apparatus for multi-component substances is disclosed, which driving device can have at least two cartridge holders for holding interchangeable cartridges with individual substance components, a discharging apparatus for simultaneously discharging the substance components from the cartridges through component outlets with the aid of discharging pistons entering the cartridge holder or cartridges, and a mixing apparatus which is connected to the component outlets, for mixing the discharged substance components and discharging the latter in mixed form, and a transmission unit for the connection of a drive motor, wherein the transmission unit can have a detector for detecting at least one counter pressure which builds up during the discharging of at least one of the substance components, and a controller, which is connected on an inlet side to the detector for bringing about a driving control function in response to a detection result.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: April 11, 2017
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Markus Rahm, Christian Schultheiss, Walter Fäh, Pascal Tanner
  • Publication number: 20140301156
    Abstract: A driving device of a metering and mixing apparatus for multi-component substances is disclosed, which driving device can have at least two cartridge holders for holding interchangeable cartridges with individual substance components, a discharging apparatus for simultaneously discharging the substance components from the cartridges through component outlets with the aid of discharging pistons entering the cartridge holder or cartridges, and a mixing apparatus which is connected to the component outlets, for mixing the discharged substance components and discharging the latter in mixed form, and a transmission unit for the connection of a drive motor, wherein the transmission unit can have a detector for detecting at least one counter pressure which builds up during the discharging of at least one of the substance components, and a controller, which is connected on an inlet side to the detector for bringing about a driving control function in response to a detection result.
    Type: Application
    Filed: June 23, 2014
    Publication date: October 9, 2014
    Inventors: Markus RAHM, Christian SCHULTHEISS, Walter FÄH, Pascal TANNER