Patents Assigned to The New Registon Company, Limited
  • Resinoid wheel containing a mixture of trimanganese tetraoxide and ferroxide and ferric oxide fillers
    Patent number: 3960517
    Abstract: In a resinoid wheel containing abrasive grains, a binder resin and a filler, an improvement which is characterized in that based on weight 1/3 to 2/3 of the amount of the filler is a mixture of 20 to 55 wt.% of trimanganese tetroxide and 80 to 45 wt.% of e ferric oxide.
    Type: Grant
    Filed: January 14, 1975
    Date of Patent: June 1, 1976
    Assignee: The New Registon Company, Limited
    Inventor: Junichi Ukita