Patents Assigned to Abex Corp.
  • Cast iron railroad brake shoes
    Patent number: 4352416
    Abstract: A cast iron railroad brake shoe containing more than 2% phosphorus with sulfur and manganese present in the ratio of weight % sulfur>weight % manganese/1.8; the amount of sulfur in excess of weight % Mn/1.8 accounts for increased wear resistance in proportion to said excess.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: October 5, 1982
    Assignee: Abex Corp.
    Inventors: Hugo R. Larson, Chandi P. Biswas