Patents Assigned to Rondo Building Services Pty. Limited
  • Production of expanded metal parts
    Patent number: 4486927
    Abstract: Roll-forming method for perforated and expanded metal strips in which marginal edges of a strip of metal are perforated and engaged by a conveyor to advance the strip, a central web portion of the strip is slotted then expanded out of the plane of the marginal edges by a series of pressure rollers, and the strip then cut to desired length.
    Type: Grant
    Filed: May 16, 1983
    Date of Patent: December 11, 1984
    Assignee: Rondo Building Services Pty. Limited
    Inventors: Richard H. Hunter, Karl Heins
  • Support for nogging strips in wall frames
    Patent number: 4007570
    Abstract: A wall frame construction composed of sheet metal studs provided with a hole in at least one wall positioned at nogging level, nogging strips formable from offcuts of the studs slidable at right angles to the plane of the wall into pairs of nogging clips of U-shape provided with a swaged hole in each of their bases to form protruding collars for locating and retaining the nogging clips within said holes in the studs.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: February 15, 1977
    Assignee: Rondo Building Services Pty. Limited
    Inventor: Richard Henry Hunter