Owner Vortex Pipes Ltd.

Inventors Hassen, Brian Maxwell

Agent Wrays

Pub. Number AU-A-2007266334

PCT Pub. Number WO2007/137355

Priority 2006902903 30.05.06 AU

Filing date 30 May 2007

Wipo publication date 6 December 2007

E21D 11/38 (2006.01) Lining tunnels, galleries or other underground cavities, e.g. large underground chambers - Waterproofing

E21D 11/40 (2006.01) Lining tunnels, galleries or other underground cavities, e.g. large underground chambers - Devices or apparatus specially adapted for handling or placing units of linings for tunnels or galleries

F16J 15/16 (2006.01) Sealings - between relatively-moving surfaces

F16L 55/16 (2006.01) Devices or appurtenances for use in, or in connection with, pipes or pipe systems - Devices for covering leaks in pipes or hoses, e.g. hose-menders

F16L 55/162 (2006.01) Devices or appurtenances for use in, or in connection with, pipes or pipe systems - from inside the pipe

F16L 55/163 (2006.01) Devices or appurtenances for use in, or in connection with, pipes or pipe systems

F16L 55/164 (2006.01) Devices or appurtenances for use in, or in connection with, pipes or pipe systems

F16L 55/18 (2006.01) Devices or appurtenances for use in, or in connection with, pipes or pipe systems - Appliances for use in repairing pipes