Patents Assigned to Nyby Uddeholm Powder Aktiebolag
  • Loose sintering of spherical ferritic-austenitic stainless steel powder and porous body
    Patent number: 4435483
    Abstract: A porous sintered body, preferably a filter or filter material, with good corrosion resistance and with a pore volume which can be predicted within specified comparatively narrow limits, is made by loose sintering of a preferably gas-atomized spherical powder a ferritic-austenitic stainless steel.
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: March 6, 1984
    Assignee: Nyby Uddeholm Powder Aktiebolag
    Inventors: Christer Ahslund, Karl H. T. Andersson, Sven S. Bergh