Patents by Inventor Markku M. A. Rajaviita

Markku M. A. Rajaviita 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 and apparatus for changing the mould in a casting machine
    Patent number: 4779670
    Abstract: The invention relates to a method and apparatus for changing the casting table, complete with the mold and the starter head in the casting machine, particularly a semi-continuous casting machine. In order to carry out the exchange, the casting table (7) complete with the mold (10) and the starter head (5) are first supported against each other, whereafter the casting table (7) and the starter head (5) are together shifted in between the casting position and the changing position.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: October 25, 1988
    Assignee: Outokumpu Oy
    Inventors: Taisto I. Koskinen, Markku M. A. Rajaviita, Erkki O. Levo, Jouko T. Luoto