Patents by Inventor Carlos I. Rojas

Carlos I. Rojas 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 for preserving rollers immersed into the molten alloy bath for extending the operating life thereof
    Patent number: 5589227
    Abstract: A mechanical device is provided for scraping rollers immersed into an alloy bath through gas feeding, which extends the life of the rollers from several days to several weeks. The device has pairs of scrapers with hard steel cutting edges acting against the roller surfaces along with the fluid action of an inert gas injected through the inner portion of the mechanical scraper.
    Type: Grant
    Filed: March 30, 1995
    Date of Patent: December 31, 1996
    Assignee: Comesi S.A.I.C.
    Inventors: Horacio C. Falia, Carlos I. Rojas