Vacuum relief valve

Details for Australian Patent Application No. 2012101277 (hide)

Owner Valley Longwall International Pty Ltd

Inventors Reed, Peter John; Rowan, Paul Matthew

Agent FB Rice

Pub. Number AU-A-2012101277

Priority 2011903613 06.09.11 AU

Filing date 21 August 2012

Opi date 4 October 2012

International Classifications

E21F 1/04 Ventilation of mines or tunnels

E21F 1/00 Ventilation of mines or tunnels

F16L 55/07 Devices or appurtenances for use in, or in connection with, pipes or pipe systems - Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining

F24F 11/04 Common features or details - solely for controlling the rate of air-flow

Event Publications

6 September 2012 Innovation Patent Application Filed

  Priority application(s): 2011903613 06.09.11 AU

4 October 2012 Innovation Patent Open to Public Inspection

  Published as AU-A-2012101277

4 October 2012 Innovation Patent Sealed

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