Patents by Inventor Wolfgang Dohring

Wolfgang Dohring 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 pouring a metal melt into a mold
    Patent number: 6070649
    Abstract: Disclosed is a method and apparatus for a metal melt, especially steel, into a vertically oscillating mold via a tundish or intermediate vessel provided with an immersion nozzle to generate endless strands, especially thin strands of steel wherein the intermediate vessel has an open first chamber and a closed second chamber. The metal melt is supplied from the casting ladle to the first open chamber. The second chamber is connected with a vacuum device. An immersion pipe, which projects into the mold and which can be vertically oscillated, is provided in the base of the second chamber.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: June 6, 2000
    Assignee: Mannesmann AG
    Inventors: Ulrich Urlau, Wolfgang Reichelt, Ewald Feuerstacke, Wolfgang Dohring