Patents Assigned to Gapan Holdings Pty Limited
  • Valve guide relining sleeve
    Patent number: 5140956
    Abstract: A sleeve for lining a valve guide of an internal combustion engine and being able to receive a valve stem therethrough, has a seam that extends the length thereof. The inner surface of the sleeve has a plurality of spaced apart indentations. The indentations are formed in rows down the sleeve and each row has at least two identations.
    Type: Grant
    Filed: August 13, 1991
    Date of Patent: August 25, 1992
    Assignee: Gapan Holdings Pty Limited
    Inventor: Keith A. Seward