Patents by Inventor Friedrich Hild

Friedrich Hild 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: 5787604
    Abstract: An apparatus for cooling, drying and granulating plastic strands emerging from a nozzle in molten form includes a discharge channel washed with cooling water through which the plastic strands are conducted. A draining and drying device forms a separate unit following the lower end of the discharge channel and has a device subjecting the plastic strands to an air stream and a water collecting apparatus disposed under the plastic strands. A granulator follows the draining and drying device.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: August 4, 1998
    Assignee: C.F. Scgeer & Cie. GmbH & Co.
    Inventors: Ulrich Kreuz, Ludwig Zollitsch, Friedrich Hild
  • Patent number: 5634601
    Abstract: In order to simplify cleaning work in a granulator for strand materials with a feed device for taking up the strand material and conveying it to a subsequent shearing blade roller which rotates contrary to the direction of conveyance of the strand material and operates against a stationary anvil blade, wherein the feed device comprises a lower and an upper feed roller, of which at least one is drivable, wherein a wiper blade is associated with the lower feed roller, and wherein the wiper blade and the anvil blade are fixed in position on a carrier arranged between the lower feed roller and the shearing blade roller, it is suggested that the lower feed roller be movable between an operating and a non-operating position, wherein in its non-operating position the lower feed roller is arranged at a distance from the carrier and the wiper blade, and that the lower feed roller be lockable in its operating position.
    Type: Grant
    Filed: July 31, 1995
    Date of Patent: June 3, 1997
    Assignee: C.F. Scheer & Cie GmbH & Co.
    Inventors: Friedrich Hild, Ulrich Kreuz