| Patents for E21D 11 - Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling (7,167) |
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| 03/30/1999 | US5888023 Sealing section has a strand-shaped groove to accept an emergency seal so that if segments move over time, giving rise to gaps, the water-activatable emergency seal swells, maintaining the efficiency of the seal |
| 03/18/1999 | DE19737226A1 Clamp for fixing support profiles in drifting |
| 03/17/1999 | CN1210976A Peeling detector for tunnel wall surface |
| 03/16/1999 | US5882148 Apparatus for yielding support of rock |
| 03/11/1999 | DE19738488A1 Surface-water drainage equipment in mines and tunnels |
| 03/10/1999 | CN1210507A Cement structure containing waterproofing layer |
| 03/09/1999 | US5879032 Flexible joint for a culvert |
| 03/03/1999 | CN2309421Y Built-in drain pipe specially adapted for tunnel arched wall |
| 02/25/1999 | WO1999009298A1 Segment for intake tunnels |
| 02/25/1999 | WO1999009297A1 Process for constructing intake pipe |
| 02/24/1999 | EP0898052A1 Method of sealing a subterranean formation against the penetration of water |
| 02/24/1999 | EP0897442A1 Device for pouring out concrete |
| 02/23/1999 | US5874151 Rigidifiable plastic composites and manufacturing methods therefor |
| 02/17/1999 | EP0897050A1 Method of building a lined tunnel |
| 02/16/1999 | US5870872 Applicator for ceiling panels of light tunnel |
| 02/10/1999 | EP0896173A2 A sealing device |
| 02/05/1999 | CA2244547A1 A sealing device |
| 01/28/1999 | DE19732285A1 Structural profile for tunnel and mining gallery structure |
| 01/27/1999 | EP0892872A1 Sealing section for tunnel segments and tunnel comprising such sealing sections |
| 01/21/1999 | WO1999002820A1 Sealing arrangement for tunnel segments |
| 01/21/1999 | DE19726404A1 Concrete structure movement seam and sealing work injection hose, filling, ventilating and emptying device |
| 01/14/1999 | DE19826482A1 Seal for two abutting elements used in tunnel building |
| 01/13/1999 | EP0890708A1 Method, system and device for building a wall in the ground |
| 01/13/1999 | EP0890707A1 Method, system and device for building a wall in the ground |
| 01/12/1999 | US5858928 Gel of an apolar medium, its use for the preparation of water-based drilling fluids |
| 01/07/1999 | EP0889173A1 Reinforcement frame for structures and method of constructing building structures utilizing the same reinforcement frame |
| 12/22/1998 | US5851580 Shotcrete spraying process |
| 12/08/1998 | US5846027 For use in advancing advance pipes through the ground |
| 12/02/1998 | EP0881359A1 Method and arrangement for constructing a tunnel by using a driving shield |
| 12/02/1998 | CN1041009C Prefabricated assembly steel reinforced concrete tunnel construction technology |
| 12/01/1998 | CA2020436C Method for continuously forming a fiber reinforced plastic lattice structure |
| 11/25/1998 | CN2298343Y Anti-collapse apparatus for tunnel support joint shed |
| 11/24/1998 | US5840221 Process for making silicon carbide reinforced silicon carbide composite |
| 11/19/1998 | DE19720917A1 Friction lock for open connection of channel sections of tunnel support |
| 11/18/1998 | EP0877720A1 Cement structure containing a waterproofing layer |
| 11/17/1998 | US5836720 Mine roof support system |
| 11/10/1998 | US5833394 Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 11/04/1998 | CN2296400Y Regulating platform building cart for mould building concrete |
| 11/03/1998 | USRE35944 Method of everting a tube |
| 10/28/1998 | EP0873451A1 Partly overhanging building structure under the natural ground and process for cladding an overhanging natural ground wall section |
| 10/28/1998 | CN1197154A Construction method and appts. for hardening layer of support |
| 10/22/1998 | DE19813765A1 Method of spraying concrete |
| 10/22/1998 | DE19716067A1 Clamping joint for flexible connection of mine lining frame |
| 10/20/1998 | US5823718 Pillar bag |
| 10/14/1998 | EP0811099B1 Formwork with a haunch formwork element |
| 10/06/1998 | US5816750 For use with a continuous miner |
| 09/30/1998 | EP0629262B1 Sealing profile for tubular tunnel segments, in particular for elements floated into position |
| 09/23/1998 | EP0674597B1 Pressure pad, in particular for filling mining cavities |
| 09/22/1998 | USRE35902 Bearing plate |
| 09/09/1998 | EP0863294A1 Method and device for the industrial construction of reinforced ceiling structures |
| 09/09/1998 | CN1192453A Thermoplastic molding materials |
| 09/08/1998 | US5803665 Method and apparatus for continuous production of quick-setting foamed cement grout with selectively adjustable proportions |
| 09/02/1998 | CN2289878Y Water dilivery tunnel concrete tunnel liner tile |
| 08/18/1998 | US5794987 Flexible joint for a culvert |
| 08/06/1998 | WO1998033988A1 Sealing section for tunnel segments and tunnel comprising such sealing sections |
| 08/05/1998 | EP0811113B1 Seal and process for producing such seal |
| 07/30/1998 | DE19702781A1 Thermal insulation used in tunnel(s) subject to very cold condition(s) |
| 07/29/1998 | EP0855494A1 Flexible sealing joint for drain slots in tunnel walls |
| 07/29/1998 | CN2286798Y Draiage-proof composite rubber-plastic slab for tunnel |
| 07/22/1998 | EP0854172A1 Thermoplastic molding compositions |
| 06/11/1998 | WO1998024738A1 Cement structure containing a waterproofing layer |
| 06/11/1998 | WO1998024737A1 Silicon carbide reinforced silicon carbide composite |
| 06/03/1998 | EP0845579A1 Tunnel lining |
| 05/28/1998 | WO1998022694A1 Jointing construction |
| 05/27/1998 | EP0844403A1 Device for supporting a structure by a concrete wall |
| 05/26/1998 | US5755535 Mine roof truss system and related installation method |
| 05/13/1998 | EP0841468A1 Fire protection system in a reinforced concrete tubings linned tunnel |
| 05/06/1998 | EP0839967A1 Water cut off junction member for concrete products to be joined together |
| 04/30/1998 | DE19644199A1 Clamp connection for flexible mine support frame |
| 04/28/1998 | US5743678 Anchor eye-bolt for mine roof |
| 04/23/1998 | WO1998016721A1 Resin-coated segment, and manufacture thereof |
| 03/26/1998 | DE19735697A1 Offset mats for mine and tunnel construction |
| 03/26/1998 | DE19701861A1 Device for curing concrete for tunnel arches |
| 03/19/1998 | DE19637218A1 Tunnel boring machine |
| 03/18/1998 | EP0829617A1 Shearing and casting device for making a slot in an underground formation |
| 03/12/1998 | DE19709336A1 Method for concreting a reinforced decking, such as specialist arch sections used in tunnelling |
| 03/11/1998 | CN2276076Y Trackless haulage trolley for tunnel repairing equipment |
| 03/04/1998 | EP0535041B1 Method for mine support and composition |
| 02/10/1998 | US5716711 Gas-tight, flexible, fire retardant coating on concrete; polyurethane blend containing vermiculite |
| 01/29/1998 | WO1998003773A1 Connecting device for connecting concrete segments |
| 01/29/1998 | DE19714076A1 Brake lock made from stamping part having ridges for increasing resistive moment |
| 01/29/1998 | DE19705713A1 Fabric pillar bag for foundations |
| 01/29/1998 | DE19629849A1 Process for development of tunnel or shafts in unstable mountains |
| 01/29/1998 | DE19629764A1 Method for sealing of tunnel inner shell joints |
| 01/29/1998 | CA2260028A1 Connecting device for connecting concrete segments |
| 01/28/1998 | EP0820421A2 Displaceable working apparatus with extensible boom |
| 01/25/1998 | CA2198808A1 Pillar bag |
| 01/22/1998 | DE19629039A1 Matting used to line excavated stretches |
| 01/22/1998 | DE19628493A1 Multiple layer seal for tunnel sections |
| 01/15/1998 | DE19735027A1 End formwork for foot wall of tunnel |
| 01/08/1998 | DE19625245A1 Multi-layer sealing for hollow spaces such as tunnels |
| 01/07/1998 | CN1169767A Arched Member for hollow cavities |
| 01/06/1998 | US5704657 Flexible joint for a culvert |
| 12/24/1997 | CN2271193Y Concrete wet casting unit |
| 12/24/1997 | CN1168711A Apparatus for movement along an underground passage and method using same |
| 12/23/1997 | US5699572 For rotating a multi-strand cable rock anchor |
| 12/18/1997 | WO1997047825A1 Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 12/17/1997 | CN2270807Y Advancing tunnel sliding shuttering |
| 12/10/1997 | EP0811113A1 Seal and process for producing such seal |
| 12/10/1997 | EP0811099A1 Formwork with a haunch formwork element |