Patents Examined by Richard H. Dean
  • Patent number: 5296057
    Abstract: The object of the present invention is to provide an abrasion resistant aluminum bronze alloy for sliding members of various industrial machines.The abrasion resistant aluminum bronze alloy consists of Al: 7-12%, Mn: 1.5-5.5%, Si: 0.45-2.7%, respectively in weight, and the rest is substantially Cu, wherein metallic compound of Mn and Si is dispersed among said alloy structure, and elongation percentage is at least 5%.The abrasion resistant aluminum bronze alloy is superior to conventional aluminum bronze alloy (JIS-ALBC2) in seizure resistance and abrasion resistance by more than two times.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: March 22, 1994
    Assignee: Hitachi, Ltd.
    Inventors: Noboru Baba, Katsuhiko Komuro, Masateru Suwa, Mitsuo Chigasaki, Yozo Kumagai, Mashayoshi Kainuma, Masaru Sakakura