Patents by Inventor Franz Spona

Franz Spona 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).

  • Mold for continuous casting of metal
    Patent number: 4807691
    Abstract: The mold is constructed as a unit to be inserted in a water tank, the water tank being mounted to an oscillating table. The unit itself is comprised of the mold tube proper mounted between two end flanges which are interconnected by means of a structure which either includes directly a cooling jacket enveloping the mold tube or the jacket is separately connected to the connection between the two end flanges. That unit as a whole is inserted into the water tank whereby the flanges establish top and bottom closures for the water tank, and the lower flange centers the unit in the tank.
    Type: Grant
    Filed: February 7, 1983
    Date of Patent: February 28, 1989
    Assignee: Mannesmann AG
    Inventors: Heinz Schneider, Franz Spona