Patents by Inventor Markku J. Kaskiala

Markku J. Kaskiala 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 the treatment and production of free-flowing WC-Ni-Co powders
    Patent number: 5102452
    Abstract: The invention relates to a method for the treatment and production of material, particularly for the treatment and production of free flowing, finely divided metal powder or metal matrix composite powder. The material is composed of tungsten carbide and at least two components, nickel and cobalt. According to the method of the invention the composite powder is first mixed with the organic binder in order to form powder agglomerate, which powder agglomerate is further subjected to sintering treatment in order to remove the binder and to improve the mechanical strength of the composite powder. Further the composite powder is subjected to classification and the classified composite powder is thermally treated at a high temperature in an at least one-step thermal treatment in order to melt the composite powder at least partially, and in order to mix the various components to each other.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: April 7, 1992
    Assignee: Outokumpu Oy
    Inventors: Pekka A. Taskinen, Markku J. Kaskiala, Seppo T. Kemppinen, Jaana L. Niemela, Heikki J. Volotinen