A tunnel waterproofing construction method

Details for Australian Patent Application No. 2001272936 (hide)

Owner W.R. Grace & Co. Conn.

Inventors Shimizu, Yoshio; Kosuge, Keiichi

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2001272936

PCT Pub. Number WO01/96710

Priority 2000-175768 12.06.00 JP

Filing date 5 June 2001

Wipo publication date 24 December 2001

Acceptance publication date 30 June 2005

International Classifications

E21D 011/10 Lining tunnels, galleries or other underground cavities, e.g. large underground chambers - with concrete cast

E21D 011/38 Lining tunnels, galleries or other underground cavities, e.g. large underground chambers - Waterproofing

Event Publications

30 June 2005 Application Accepted

  Published as AU-B-2001272936

3 November 2005 Standard Patent Sealed

8 January 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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