Patents Assigned to OPTI-MINEZ PTY LTD
  • Patent number: 10689981
    Abstract: The invention is directed to a method of strip mining that involves dividing the pit into blocks in a diamond shape arrangement with an angular advancing strike face and removing waste material from each diagonally adjacent block so as to minimize the amount of waste material pushed by dozers and maintain the incline of ramps to gradients of 10% or less so that trucks can take mined ore from the pit.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: June 23, 2020
    Assignee: OPTI-MINEZ PTY LTD
    Inventors: David John Hall, Cameron Albert Mitchell Voss, Lachlan Yeldham
  • Patent number: 10648331
    Abstract: A method of moving waste material from a mining site using at least one excavator and a plurality of dozers, including excavating material with the at least one excavator from a dig area, said at least one excavator moving along an excavator path that is parallel with the dig area, transferring the excavated material to a plurality of slots, each of said slots are positioned at an angle to the excavator path, and pushing the transferred material by one of said plurality of dozers along the slot and away from the excavator path; wherein each slot allows each of the plurality of dozers to move between a proximal position and a distal position relative to the excavator path.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: May 12, 2020
    Assignee: OPTI-MINEZ PTY LTD
    Inventors: David Hall, Ted Boulton, Lachlan Yeldham