Patents by Inventor Werner Bruening

Werner Bruening 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).

  • Method for producing a nozzle cartridge
    Patent number: 6250519
    Abstract: In the production of a nozzle cartridge with a nozzle formed thereon in a hollow mold, in which a core (26) is located, a centering of the core (26) occurs in an injection phase by utilizing webs (40) provided on the hollow mold, with a conical centering surface (39) of the core (26) abutting against them. In a subsequent supplementary filling phase, the core (26) or an interior core (28) is withdrawn, the melt flowing over the webs (40) and forming a closed wall in the area of the nozzle base.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: June 26, 2001
    Assignee: Alfred Fischbach KG Kunststoff-Spritzgusswerk
    Inventor: Werner Bruening
  • Method for producing a nozzle cartridge
    Patent number: 6033615
    Abstract: In the production of a nozzle cartridge with a nozzle formed thereon in a hollow mold, in which a core (26) is located, a centering of the core (26) occurs in an injection phase by means of webs (40) provided on the hollow mold, with a conical centering surface (39) of the core (26) abutting against them. In a subsequent supplementary filling phase, the core (26) or an interior core (28) is withdrawn, the melt flowing over the webs (40) and forming a closed wall in the area of the nozzle base.
    Type: Grant
    Filed: January 6, 1998
    Date of Patent: March 7, 2000
    Assignee: Alfred Fischbach KG Kunststoff-Spritzgusswerk
    Inventor: Werner Bruening