Patents by Inventor Dennis Preick

Dennis Preick 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: 10695969
    Abstract: An apparatus for feeding a screw-type extruder with material strips made of rubber mixtures or plastics mixtures, which strips are arranged in a folded zig-zag shape and can be supplied by means of at least one conveyor belt to a supply region of a supply element that is funnel-shaped, at least in portions, and an extruder. A motor-driven conveyor device for the material strip is arranged within the supply region, which device comprises a pressure surface that can abut the surface of the material strip and can be moved in a reversing manner. Said pressure surface only abuts the surface of the material strip in the conveying direction and, in the direction opposite the conveying direction, it adopts a return position in which it is spaced from the surface of the material strip.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: June 30, 2020
    Assignee: TROESTER GMBH & CO. KG
    Inventors: Dennis Preick, Wieland Hoffmann, Eugen Renz
  • Publication number: 20180044118
    Abstract: An apparatus for feeding a screw-type extruder with material strips made of rubber mixtures or plastics mixtures, which strips are arranged in a folded zig-zag shape and can be supplied by means of at least one conveyor belt to a supply region of a supply element that is funnel-shaped, at least in portions, and an extruder. A motor-driven conveyor device for the material strip is arranged within the supply region, which device comprises a pressure surface that can abut the surface of the material strip and can be moved in a reversing manner. Said pressure surface only abuts the surface of the material strip in the conveying direction and, in the direction opposite the conveying direction, it adopts a return position in which it is spaced from the surface of the material strip.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 15, 2018
    Inventors: Dennis Preick, Wieland Hoffmann, Eugen Renz