Patents by Inventor Frans-Benoni Lietaert

Frans-Benoni Lietaert 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).

  • Process for producing nodular cast iron, and casting produced using this process
    Patent number: 6533998
    Abstract: The invention relates to a process for producing nodular cast iron with a high number of graphic nodules. This process comprises the following steps: preparing molten base iron for wasting castings of nodular cast iron; adding Mg to the molten base iron; inoculating the casting stream with a first inoculant when casting the cast iron into a casting mold. According to the invention, between the addition of the Mg and the inoculation of the casting stream, a preliminary inoculation using a further inoculant is carried out as an additional step. The invention also relates to a casting obtained by using this process.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: March 18, 2003
    Assignee: Corus Technology B.V.
    Inventors: Pieter Cornelis Van Eldijk, Frans-Benoni Lietaert
  • Process for producing nodular cast iron, and casting produced using this process
    Publication number: 20010024622
    Abstract: The invention relates to a process for producing nodular cast iron with a high number of graphic nodules. This process comprises the following steps: preparing molten base iron for casting castings of nodular cast iron; adding Mg to the molten base iron; inoculating the casting stream with a first inoculant when casting the cast iron into a casting mould. According to the invention, between the addition of the Mg and the inoculation of the casting stream, a preliminary inoculation using a further inoculant is carried out as an additional step.
    Type: Application
    Filed: February 12, 2001
    Publication date: September 27, 2001
    Inventors: Pieter Cornelis Van Eldijk, Frans-Benoni Lietaert