| 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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| 02/08/1990 | WO1990001094A2 A process and device for distributing pumpable viscous materials among several lines |
| 02/08/1990 | DE3826833A1 Bolted panel lining for underground roadways |
| 02/08/1990 | DE3826623A1 Method and device for monitoring, controlling and/or regulating the filling pressure during tunnel concreting |
| 02/08/1990 | DE3826521A1 Device for wetting pack construction materials |
| 02/01/1990 | DE3841543A1 Method and arrangement for constructing a lining support, in particular in mining and tunnelling |
| 01/25/1990 | DE3824630A1 Clamping connection for channel sections of a sliding arch support in mines |
| 01/25/1990 | DE3824629A1 Clamping connection for channel sections of a sliding arch support in mines |
| 01/25/1990 | DE3823898A1 Frost protection in tunnels |
| 01/23/1990 | US4895480 Method and apparatus for formation of a tunnel lining |
| 01/18/1990 | DE3904187C1 Yielding arch support for roadways and tunnels |
| 01/17/1990 | CN1006482B Shield tunneling method and assembling and disassembling apparatus for use in practicing method |
| 01/11/1990 | DE3822677A1 Closed support, in particular for underground mine roadways |
| 01/09/1990 | US4892441 Apparatus and a method for distributing concrete and similar materials to selected points of use |
| 01/04/1990 | DE3816336C1 Support at the transition between a continuous and a branching roadway |
| 01/03/1990 | EP0206224B1 Device for the pneumatic application of a hardenable building material hydromechanically transported in a highly viscous flow, particularly of a hydraulically injected concrete or mortar |
| 12/28/1989 | DE3827403C1 Apparatus for placing temporary support in the rise heading for longwall faces in collieries |
| 12/27/1989 | CN1038330A Closed supports |
| 12/21/1989 | DE3820700A1 Compound anchor support system |
| 12/14/1989 | DE3840612A1 Roadway support unit |
| 12/14/1989 | DE3819658A1 Tubbing erector, in particular a ring erector |
| 12/07/1989 | DE3915015A1 Connecting clamp |
| 12/07/1989 | DE3818583A1 Balanced support-lifting device |
| 11/30/1989 | WO1989011582A1 Articulate shield excavator |
| 11/30/1989 | DE3832355A1 Compound sliding and rolling mat |
| 11/30/1989 | DE3818030A1 Roadway support machine with combined drilling and support-setting apparatus |
| 11/21/1989 | US4881853 Support section for mines and tunnels |
| 11/16/1989 | DE3824395C1 Device for shifting support sections, designed as I-shaped box sections and free of external straps, in mine and tunnel support free of bracing and props |
| 11/08/1989 | EP0340659A1 Activatable sealing, in particular a sealing for tubbings |
| 11/08/1989 | EP0340658A2 Activatable seal for pipes to be driven in the ground |
| 10/18/1989 | EP0337177A1 Seal for tunnel segments |
| 10/12/1989 | DE3909788A1 Seal for tunnel segments |
| 10/12/1989 | DE3810563C1 Channel-section support |
| 10/12/1989 | DE3803245C1 Prop connecting clamp |
| 10/11/1989 | EP0336331A1 Installation for distributing concrete, in particular for tunneling |
| 10/05/1989 | DE3808714A1 Method of constructing a tunnel, in particular a traffic tunnel, and shield driving machine for carrying out the method |
| 10/04/1989 | EP0335500A1 Improvements in or relating to methods of manufacturing arcuate tunnel lining segments |
| 10/04/1989 | CN2045426U Feeding mating device for concrete injector |
| 10/03/1989 | CA1262055A1 Roof structure for tunnel |
| 09/27/1989 | EP0334262A1 Method and apparatus for enlarging tunnels |
| 09/26/1989 | US4869294 Buried large cross-section conduit |
| 09/19/1989 | CA1259749A1 Method of stopping leakage of water in concrete structure and impregnating agent for use in said method |
| 09/14/1989 | DE3824158C1 Support at the transition between a continuous and a branching roadway |
| 09/08/1989 | WO1989008181A1 Reinforced concrete construction for road tunnels |
| 09/08/1989 | WO1989008179A1 Shelter |
| 09/06/1989 | EP0330730A2 Cover strip for spaced joint |
| 09/05/1989 | US4863313 Method for lining tunnel wall formed by shield excavation |
| 08/31/1989 | DE3805532A1 Seal for the joints of tunnel segments |
| 08/24/1989 | DE3804214A1 Roadway-support apparatus |
| 08/24/1989 | DE3804116A1 Jointing shoe for the support in underground operation with steel-section parts |
| 08/24/1989 | DE3804040A1 Joint-strip intersection |
| 08/24/1989 | DE3741265A1 Joint band |
| 08/23/1989 | EP0328734A2 Meathod of sealing the ridge area of a gap |
| 08/17/1989 | DE3803113A1 Strutting |
| 08/15/1989 | US4856936 Form for concrete-placement tunnel lining |
| 08/09/1989 | EP0327393A2 Improvements in or relating to joints between concrete elements |
| 08/09/1989 | EP0327062A2 Method for applying spray concrete to walls, to surfaces in danger of collapsing or the like |
| 08/09/1989 | EP0326675A1 Sealing strip |
| 08/08/1989 | US4854776 Process and apparatus for lining a tunnel with concrete |
| 07/27/1989 | DE3801003A1 Arrangement for feeding tunnel formwork with concrete |
| 07/25/1989 | US4850748 Lifting device connected to tractor scoop |
| 07/20/1989 | DE3800630A1 Tunnel lining of segments |
| 07/13/1989 | DE3844148A1 Apparatus and method for the preliminary cutting of a heading |
| 07/11/1989 | US4846607 Device for the guiding and positioning of support plates on a demolition machine for underground construction |
| 07/06/1989 | DE3800737A1 Cutting guide |
| 07/06/1989 | DE3742407A1 Longitudinally beaded covering mat assembly |
| 07/05/1989 | EP0323084A1 Improvements in or relating to lining elements for tunnels or shafts |
| 07/04/1989 | CA1256686A1 Process for consolidating and sealing coal and/or rock, soil and brick formations in mining, tunnelling and construction |
| 06/29/1989 | DE3840441A1 Sealing profile for tunnel segments |
| 06/28/1989 | EP0321645A1 Joint strip for construction joints |
| 06/22/1989 | DE3741699A1 Frost-proofing |
| 06/22/1989 | DE3739299C1 Lagging mat for roadway support |
| 06/14/1989 | EP0319546A1 Section for the shoring of mines and tunnels. |
| 06/08/1989 | DE3816385A1 Strut |
| 06/06/1989 | US4836714 Enclosed structures of very large cross-section, such as conduits, silos or shelters |
| 06/06/1989 | US4835919 Impervious shelter made of modules |
| 05/30/1989 | US4834395 Gasket seal |
| 05/24/1989 | EP0317220A1 Tunnel linings |
| 05/24/1989 | DE3738818A1 Method of producing a yielding body of construction material |
| 05/24/1989 | DE3738549A1 Nonwoven |
| 05/18/1989 | DE3833943A1 Invert |
| 05/18/1989 | DE3737472A1 Backfilling apparatus for roadway support machines |
| 05/16/1989 | US4830536 Method and apparatus for tunnel lining |
| 05/16/1989 | CA1254047A1 Method and a device for guiding a concrete feeding hose in connection with the grout feed in rock bolting |
| 05/11/1989 | DE3741523A1 Joint-band splice |
| 05/11/1989 | DE3741099A1 Joint band |
| 05/09/1989 | CA1253706A1 Process and apparatus for continuously lining a tunnel with extruded concrete |
| 05/09/1989 | CA1253704A1 Apparatus for storing a concrete feeding hose in a rock bolting device |
| 05/03/1989 | DE3736142A1 Strebverzugmatte Longwall delay mat |
| 05/03/1989 | DE3734593A1 Clamped connection for channel sections lying one inside the other |
| 05/03/1989 | CN1004091B Method laying down cover wall in tunnel and equipment thereof |
| 05/02/1989 | US4826639 Moulding process and apparatus for making arch-shaped concrete structures |
| 04/27/1989 | DE3741264A1 Tunnel construction |
| 04/25/1989 | US4824289 Sealing profile for tunnel segments |
| 04/20/1989 | DE3741263A1 Joint band for a building joint |
| 04/11/1989 | US4820458 Process for continuously lining a tunnel with extruded concrete |
| 04/06/1989 | DE3731186A1 Gelenkplatte Hinge plate |
| 04/06/1989 | DE3731029A1 Method and arrangement for producing lagging mats for mine support |
| 03/30/1989 | DE3731230A1 Roadway support machine for driving curves and branches |
| 03/29/1989 | EP0308561A1 Device for positioning a tunnel lining segment seal |
| 03/28/1989 | US4815895 Construction of tunnels or pipes for use in civil engineering works |