Patents Assigned to Awamura Metal Industry Co., Ltd.
  • Spray micropellets
    Patent number: 4678511
    Abstract: The present invention provides improved spray micropellets having a particle size of 5-150 .mu.m mainly composed of micropellets of high carbon ferrochrome alloy fine powder having an average particle of 0.5-20 .mu.m, mainly containing Cr 20-80 wt. %, Fe 15-75 wt. %, C 5-10 wt. %, Si less than 10 wt. % and Ti and Mn as unavoidable impurities.The spray micropellets are particularly useful for sliding parts having high sealing effects such as pistons and the like.
    Type: Grant
    Filed: September 5, 1985
    Date of Patent: July 7, 1987
    Assignee: Awamura Metal Industry Co., Ltd.
    Inventors: Junichi Yasuoka, Sumio Kamiyama, Kiyomi Ashida, Ryozo Hata