| 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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| 02/28/1995 | US5393173 Tunnel liner building method and building panels therefor |
| 02/23/1995 | WO1995005523A1 Method and device for lining and supporting tunnels |
| 02/22/1995 | EP0375738B1 Fire resistant insulation composition |
| 02/21/1995 | US5390939 Joint sealing member |
| 02/15/1995 | EP0638402A1 Apparatus for dosing pulverized solid materials |
| 02/14/1995 | US5389144 Admixture for spray concrete and mortar and a method for the manufacture of spray concrete and mortar using this admixture |
| 02/14/1995 | US5388929 Method of renovating and/or protecting sewers or pipes |
| 02/13/1995 | CA2121084A1 Tunnel barrier system and method of installing the same |
| 02/10/1995 | CA2129718A1 Metering device for solid materials |
| 01/31/1995 | US5385433 Bearing plate |
| 01/18/1995 | EP0633966A1 Grid composite for backfill barriers and waste applications |
| 01/17/1995 | US5382114 Tunnel excavation apparatus |
| 01/11/1995 | EP0633413A1 Sealing of water-swelling material |
| 01/03/1995 | US5378087 Mine roof support apparatus and method |
| 12/28/1994 | EP0631034A1 Controlled-compressible thrust bearing for tubbing rings in tunnels |
| 12/21/1994 | EP0629655A1 Process for creating dams or process for filling with self-foaming phenolic resins, particularly in mining |
| 12/21/1994 | EP0629262A1 Sealing profile for tubular tunnel segments, in particular for elements floated into position |
| 11/24/1994 | WO1994026490A1 Shuttering for the production of tunnel tubbing |
| 11/17/1994 | EP0624714A2 Tunnel liner, its fabrication method, and its fabrication apparatus |
| 11/17/1994 | EP0624713A2 Rollshuttering |
| 11/16/1994 | CN2182879Y Hinge joining type concrete telescopic type support |
| 11/10/1994 | WO1994025253A1 Short-fiber-reinforced plastic foils |
| 11/10/1994 | CA2136720A1 Short-fiber-reinforced plastic foils |
| 10/27/1994 | WO1994024417A1 Corner area of a sealing frame for a tunnel tubbing |
| 10/19/1994 | EP0620357A2 Lining for a tunnel and method for its attachment |
| 10/04/1994 | US5351353 Bridge or tunnel construction |
| 09/21/1994 | EP0615574A1 Grid composite for longwall shield recovery in underground coal and trona mines |
| 09/13/1994 | US5346332 Tubbing-type tunnel lining |
| 09/13/1994 | US5346331 Shield tail sealing |
| 09/08/1994 | DE4335855A1 Working stage to be used in the roadway |
| 09/07/1994 | EP0613991A1 Apparatus and for driving pipes into the ground |
| 08/10/1994 | EP0498807B1 An arrangement in a tunnel vault |
| 08/10/1994 | CN2173863Y Tunnel concrete lining shuttering |
| 08/03/1994 | EP0608472A1 Material and method for lining a tunnel |
| 07/26/1994 | US5332334 Tunnel wall with lining |
| 07/21/1994 | WO1994016197A1 Sealing profile for tubular tunnel segments, in particular for elements floated into position |
| 07/21/1994 | DE4400292A1 Sealing arrangement |
| 07/19/1994 | US5330292 System and method for transmitting and calculating data in shield machine |
| 07/14/1994 | DE4339221A1 Initial safety system for underground mine chambers - secures props of expendable supporting walling between roof and floor to form dam and encloses in lightweight or aerated concrete |
| 07/07/1994 | DE4244282A1 Rail track mounted vehicle for delivery and mixing of concrete and mortar |
| 07/06/1994 | CN1089010A Side supporting material of road retained for next sublevel |
| 06/28/1994 | US5324139 Method for the construction of long tunnel with a lining |
| 06/23/1994 | CA2111996A1 Mine support system |
| 06/09/1994 | WO1994012423A1 Pressure pad, in particular for filling mining cavities |
| 06/09/1994 | CA2149908A1 Pressure pad |
| 06/08/1994 | CN2168071Y Self-driving needle beam die |
| 06/08/1994 | CN2168070Y Continuous tunnel wall construction mould |
| 05/26/1994 | DE4339211A1 Pressurised cushion forming temporary mining support - contains multiple chambers supplied with medium under pressure |
| 05/25/1994 | CN2166225Y Plastic fibre compound friction wafer |
| 05/04/1994 | EP0595664A1 Flexible tunnel lining segments and method for lining tunnels using these segments |
| 05/04/1994 | CN2163871Y Multi-functional shuttering |
| 04/28/1994 | WO1994009258A1 Process and machine for driving and lining an underground gallery |
| 04/21/1994 | DE4306783C1 Gallery consolidation in mining operations - involves steel plate segments running in longitudinal and peripheral directions of gallery and connected to peripheral profiles |
| 04/20/1994 | CN1085628A Tunnel liner building method and building panels therefor |
| 04/13/1994 | EP0591963A1 Filling mat |
| 04/12/1994 | US5302056 Method and apparatus for supporting a mine roof |
| 04/07/1994 | DE4304052C1 External reinforcement for mine-gallery dam of pillars - comprises squares of four lengthwise and transverse wire mats engaging together via hairpin-type hooks |
| 03/23/1994 | EP0453521B1 Hollow-section sealing strip made of elastic for sealing arched tunnel roofs |
| 03/22/1994 | US5295764 Tunnel liner |
| 03/16/1994 | EP0587356A1 Coupler device for joining tunnel lining segments |
| 03/09/1994 | EP0585222A1 Injection means. |
| 03/09/1994 | CN1083563A Stabilizing compositions and methods for stabilizing subterranean formations |
| 03/09/1994 | CN1083454A A grout composition |
| 03/08/1994 | US5292209 Bearing plate |
| 03/03/1994 | WO1994004792A1 Travelling concreting device |
| 03/02/1994 | CN1083167A 拱形结构 Arch |
| 03/02/1994 | CN1083166A 拱形结构 Arch |
| 03/01/1994 | US5290125 Tunnel lining method and apparatus suitable for the purpose |
| 02/24/1994 | DE4327053A1 Concreting machine with rotary vertical column on undercarriage - has distribution mast with several, telescopic mast jibs, and distribution arm |
| 02/22/1994 | US5288178 Preload headboard for an elongate prop |
| 02/22/1994 | CA1327246C Water-swellable composition for water-leakage prevention |
| 02/16/1994 | EP0583227A1 Apparatus for assembling reinforcement or supporting ribs in a tunnel being built |
| 02/08/1994 | US5284404 Moving steel form system |
| 02/03/1994 | WO1994002697A1 Tunnel liner building method and building panels therefor |
| 02/03/1994 | CA2140747A1 Tunnel liner building method and building panels therefor |
| 01/20/1994 | DE3744935C2 Overhead travelling carriage for mine support erection |
| 01/19/1994 | EP0578797A1 Process and device for making the corners of sealing frames. |
| 01/11/1994 | US5277520 Grid composite for backfill barriers and waste applications |
| 01/06/1994 | WO1994000672A1 Stabilizing compositions and methods for stabilizing subterranean formations |
| 01/06/1994 | CA2138030A1 Stabilizing composition and methods for stabilizing subterranean formations |
| 01/05/1994 | EP0513083B1 Automatically advancing supporting and sliding form for introducing an in-situ concrete lining |
| 12/07/1993 | US5267814 Mechanism and method for continuously constructing reinforced concrete tunnel |
| 12/01/1993 | EP0572371A1 Tunnel lining in the form of tubbings |
| 11/24/1993 | CN2147347Y Rotator type concrete patching machine lining board |
| 11/10/1993 | CN1078293A Ox nose formed envelop arch cross point |
| 11/03/1993 | EP0568302A1 Deformable joint for connection two construction elements |
| 10/19/1993 | US5253957 Method of stopping leak in in-ground concrete structure |
| 10/19/1993 | US5253955 Automatically advancing supporting and sliding form for introducing an in-situ concrete lining |
| 10/13/1993 | EP0565200A1 Tunnelling machine with cylindrical shield |
| 10/04/1993 | CA2086661A1 Face plate |
| 09/30/1993 | WO1993019250A1 Grid composite for backfill barriers and waste applications |
| 09/30/1993 | CA2132734A1 Grid composite for backfill barriers and waste applications |
| 09/29/1993 | CN1076760A Sealed pouring construction method for upward pre-pulling rock anchor |
| 09/22/1993 | CN2142497Y Waterproof board (film) laying machine |
| 09/21/1993 | US5246163 Method of applying quick setting spray materials |
| 09/01/1993 | EP0558388A1 Method for cutting rock of low cohesion, in particular for making tunnels or galleries and device for carrying out this method |
| 09/01/1993 | EP0557805A1 Tunnel excavation apparatus |
| 08/26/1993 | DE4215224C1 Mine roof and side support connector - has two triangular jaws for roof support bottom flange and adaptor on top of side support |
| 08/25/1993 | EP0557269A1 Tunnel lining in the form of tubbings |
| 08/25/1993 | EP0557268A1 Method of making long tunnels using tubbings as lining |