Patents by Inventor Ralph Nystr om

Ralph Nystr om 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).

  • Machine and method of continuously casting a metal strip
    Patent number: 5538071
    Abstract: The machine has a cooled and moving substrate, for example an endless horizontal belt, a feeding device, for example a tundish, and a distributor arranged transversely to the substrate for distributing liquid metal over the substrate. The distributor can have an outlet for permitting a stream of liquid metal to exit the distributor, into a gaseous medium which can be enclosed by a hood or cover, at a substantial angle from the horizontal and vertical axes of the distributor, and the pressure of the liquid metal at the outlet can also be varied.
    Type: Grant
    Filed: December 30, 1993
    Date of Patent: July 23, 1996
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Lars G. Johansson, Ralph Nystr om