Patents by Inventor Olli J. Nyrhila

Olli J. Nyrhila 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: 5592842
    Abstract: A method and an apparatus for forming details in a foil or plate material by means of superplastic forming, wherein the foil or plate material is heated over a selected localized area to a suitable temperature and simultaneously exposed to a fluid pressure so that the material is slowly deformed to a predetermined desired shape. Localized heating of the foil or plate is provided by guiding a laser beam (17) over the selected localized area of the foil or plate (12).
    Type: Grant
    Filed: August 28, 1995
    Date of Patent: January 14, 1997
    Assignee: Aktiebolaget Electrolux
    Inventor: Olli J. Nyrhila
  • Patent number: 5061439
    Abstract: The invention relates to a method for the manufacture of dimensionally precise pieces which are at least in part made of a sintered material. The material comprises a mixture of at least three pulverous constituents, of which the first is mainly of a metal of the iron group and coarse by its particle size, the second constituent contains copper and/or phosphorus, and the third constituent contains mainly copper. For the material, a powder mixture is made which contains the largest amount of the third constituent and substantially less of both the first and the second constituents. The powder mixture is fed into a cavity preferably a mold-cavity and is sintered without compression of the powder mixture, without pressure, in this cavity and at a temperature which is above the melting point of the said second constituent.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: October 29, 1991
    Assignee: Aktiebolaget Electrolux
    Inventors: Olli J. Nyrhila, Seppo O. Syrjala