Patents Assigned to Osro Limited
  • Rotary seals
    Patent number: 4096666
    Abstract: An abrasive finishing machine comprising a cylindrical tub and a rotating base has annular sealing members attached to the tub and base of which the stationary sealing member is formed with axial ports for the injection of cooling fluid under pressure to cool and lubricate the rubbing surfaces and to wash intruding particles back into the tub.
    Type: Grant
    Filed: February 2, 1977
    Date of Patent: June 27, 1978
    Assignee: Osro Limited
    Inventor: David Brown