Invention Grant
- Patent Title: Tunnel barrier
- Patent Title (中): 隧道屏障
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Application No.: US11994070Application Date: 2005-10-07
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Publication No.: US08727670B2Publication Date: 2014-05-20
- Inventor: Heinrich Jan Roelofs
- Applicant: Heinrich Jan Roelofs
- Applicant Address: AU Como, Western Australia
- Assignee: Tagfilm Pty Limited
- Current Assignee: Tagfilm Pty Limited
- Current Assignee Address: AU Como, Western Australia
- Agency: Gottlieb, Rackman & Reisman, P.C.
- Priority: AU2005903250 20050621
- International Application: PCT/AU2005/001546 WO 20051007
- International Announcement: WO2006/135951 WO 20061228
- Main IPC: E21F17/107
- IPC: E21F17/107
Abstract:
A tunnel barrier (11) adapted to seal a mine tunnel, the tunnel barrier (11) comprising an inflatable bladder having a front wall (14), a rear wall (15) and a side wall (16) and being adapted to be inflated by a suitable gas, wherein the side wall is adapted to contact the tunnel walls, including the roof and floor to thereby seal the tunnel.
Public/Granted literature
- US20080190032A1 Tunnel Barrier Public/Granted day:2008-08-14
Information query
