Patents Assigned to Institutul de Cercetari Stiintifice, Inginerie Tehnologica si Proiectari Pentru Sectoare Calde
  • Manufacturing process of vermicular graphic cast-irons through double modification
    Patent number: 4246026
    Abstract: A two-stage method of making vermicular graphite cast iron in which a first alloy is introduced into the ladle into which the iron is cast and then the vermicular graphite level is measured. A second alloy of a compacting or anticompacting nature is then added to ensure a final vermicular graphite level of at least 85% of the total graphite.
    Type: Grant
    Filed: September 12, 1979
    Date of Patent: January 20, 1981
    Assignee: Institutul de Cercetari Stiintifice, Inginerie Tehnologica si Proiectari Pentru Sectoare Calde
    Inventors: Doru M. Stefanescu, Lucian Dinescu, Stefan Craciun, Ioan Cristea