Patents Assigned to Norfa Enterprises Pty Ltd.
  • Patent number: 10669715
    Abstract: A component is a building block having a pair of parallel load-bearing concrete side walls separated by a gap and joined by crossed metal ties which bridge the gap. The outer faces of the side walls can be covered with a decorative finish such as stone. The blocks have an added end wall which enables pillars to be built. The method of casting the blocks utilizes a collapsible metal mold which permits the side walls to be stepped.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: June 2, 2020
    Assignee: Norfa Enterprises Pty Ltd.
    Inventors: John Peter Norford, Trung Thann Nguyen