Patents by Inventor Mario Caldonazzo

Mario Caldonazzo 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).

  • Patent number: 6390177
    Abstract: An improved mould for the continuous casting of steel slabs having thickness in the range from 50-120 mm, particularly suitable to be rolled to thin strips, presents two large faces (F), each one having in horizontal cross section a concave or rectilinear central zone symmetrical with respect to each other, connected at both sides to the narrow faces (f) through concave-convex wide bends with respect to the internal part of the mould, without other lengths being parallel to opposite portions of the other face (F), besides to a possible central rectilinear length. the radiuses of the concave portion (r1) and of the convex portion (r2) are in a mutual ratio of a range from 0.6 to 1.
    Type: Grant
    Filed: February 4, 2000
    Date of Patent: May 21, 2002
    Inventors: Giovanni Arvedi, Mario Caldonazzo, Luciano Manini, Andrea Bianchi, Angelo Visigalli