Patents Examined by George Wyszowmierski
  • Casting material for indefinite rollers with sleeve part and method for producing the same
    Patent number: 6805757
    Abstract: A method of the production and processing of alloyed casting material for a working part of an indefinite chill roll, a corresponding casting material and a composite indefinite chill roll incorporating the casting material. The method comprises providing a melt of a certain composition, casting the melt and subjecting the resultant body to a heat treatment. The composition of the melt is adjusted so as to afford a certain graphite and carbide distribution.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: October 19, 2004
    Assignee: Eisenwerk Sulzau-Werfen R. & E. Weinberger AG
    Inventors: Michael Windhager, Bernhard Feistritzer, Karl-Heinrich Schröder, Karl-Heinz Ziehenberger