Patents Assigned to Hume Brothers Pty Ltd
  • Patent number: 6284172
    Abstract: The present invention discloses apparatus for molding an elongate annular product such as a pole, the apparatus including two outer mold sections (1) relatively movable to form in a first position a substantially enclosed upright molding cavity and in a second position opening said molding cavity, an upright core member (3) is moveable into and out of said molding cavity and when located in said molding cavity defining an annular molding zone (37) between the core member (3) and the outer mold sections (1), filling means (5) arranged to fill the annular molding zone (37) from below, and end capping means (6) arranged to close an upper end region of the zone (37), the end capping means (6) including a filter membrane adapted to allow fluids to escape through the filter membrane while fine solid particles are retained within the molding zone (37).
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: September 4, 2001
    Assignee: Hume Brothers Pty Ltd
    Inventor: Graeme Reginald Hume