Patents by Inventor Aimo Tapio Seppänen

Aimo Tapio Seppänen 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 casting a concrete product
    Patent number: 6878315
    Abstract: A method and apparatus are for fabricating a concrete product in a slip-form casting process, in which method concrete mix is fed into a slip-form mold of a defined cross section moving progressively in the casting process so as to obtain a concrete product of a desired shape. The method includes an interruptible guidance control of the prestressing tendons so as to allow the tendon guides to travel past supplementary parts such as reinforcing steels connected to the prestressing tendons.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: April 12, 2005
    Assignee: Consolis Technology Oy AB
    Inventors: Lassi Antero Järvinen, Aimo Tapio Seppänen