Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097) |
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01/12/2011 | CN101476468B Test method for wood slag discharge condition |
01/06/2011 | WO2011000038A1 Underground mining |
01/06/2011 | CA2765714A1 Underground mining |
01/05/2011 | CN201697622U Self-erecting laser flashlight guide device for well drilling |
01/05/2011 | CN201696845U Lubricating device for hob of shield machine |
01/05/2011 | CN201696055U Multi-span flat arch tunnel structure |
01/05/2011 | CN201696054U Closed-type hydraulic driving system with variable-speed variable-displacement combined control of shield cutter head |
01/05/2011 | CN201696053U Hob ring for shield machine |
01/05/2011 | CN201696052U Roadheader |
01/05/2011 | CN201695321U Multifunctional propelled tunnel inverted arch trestle |
01/05/2011 | CN101939398A Tail seals |
01/05/2011 | CN101936169A Cutting device with small-range diameter-variable function of soft rock shield machine |
01/05/2011 | CN101936168A Device for expanding adaptability of cutter head of earth pressure balancing (EPB) shield machine to soft ground |
01/05/2011 | CN101936167A Construction method for crossing bridge pile foundation by combining bridge underpinning with shield construction |
12/29/2010 | WO2010150630A1 Bit replacing device for excavating machine |
12/29/2010 | CN201687482U Semicircular oyster knife |
12/29/2010 | CN201687481U Foaming system for shield machine |
12/29/2010 | CN101929351A TBM (Tunnel Boring Machine) integral type track bracket and TBM motor driven and integral track bracket stepping method |
12/29/2010 | CN101929341A Construction method for TBM synchronization lining |
12/29/2010 | CN101929339A Micro-pressure wave retardance structure for tunnel trunk of high-speed railway |
12/29/2010 | CN101929338A Hydraulic fan-shaped support system for controlling steel frame deformation in tunnel construction |
12/29/2010 | CN101929337A TBM (Tunnel Boring Machine) oil cylinder propelling and arc-shaped slideway stepping method |
12/29/2010 | CN101929336A Improved dedicated track for pipe installation in tunnel |
12/29/2010 | CN101338678B Supporting arch hidden digging top-down construction method |
12/23/2010 | WO2010145529A1 Device used for sealed launching and arrival of shield machine |
12/23/2010 | DE102010020821A1 Messung unterirdischer Bauwerke, insbesondere beim unterirdischen Vortrieb, mit mindestens teilweise mannloser Messung Measurement of underground structures, particularly in underground excavation, at least partially unmanned measurement |
12/22/2010 | CN201679504U Energy-saving type shield propulsion system compositely and synchronously controlling pressure and flow |
12/22/2010 | CN201679503U Heading machine |
12/22/2010 | CN201679502U Shield machine cutter |
12/22/2010 | CN201679094U Abutment-tunnel conjunctive structure |
12/22/2010 | CN101922300A Large supporting and protecting system of tunnel in hollow solution cavity |
12/22/2010 | CN101922299A Diversion cutter for shield machine |
12/22/2010 | CN101922298A Self-walking shield translation station-crossing system |
12/22/2010 | CN101922297A Synchronous towing, pushing and tunneling device of underground box culvert or pipeline construction |
12/22/2010 | CN101922296A Jacking iron and method for propelling box culvert by utilizing jacking iron |
12/22/2010 | CN101922295A Shield translating station-crossing counter force system |
12/22/2010 | CN101922294A Dynamic coordinate control method of full-face large-scale tunneling equipment |
12/22/2010 | CN101922293A Method for installing waterproof steel plate in construction of underground tunnel |
12/22/2010 | CN101228322B A method for tunnel construction |
12/16/2010 | CA2707321A1 Method for the installation of slab tracks in twin tube tunnels |
12/15/2010 | CN201671635U Tearing cutter |
12/15/2010 | CN201671634U Shield cutter |
12/15/2010 | CN201671633U Hydraulic drill rig for emulsion of blasting mining face with mining thin coal seam |
12/15/2010 | CN201671632U Non-standard diameter shrinkage pipe jacking tunneller |
12/15/2010 | CN101916082A Remote monitoring system for shield machine |
12/15/2010 | CN101915107A Method for arranging coal mine large-mining-height working surface equipment |
12/15/2010 | CN101915106A Optimal tunneling speed control method for built tunnel shield driving |
12/15/2010 | CN101915105A United method for tunneling super-strong or strong rock burst hole section of TBM construction tunnel |
12/15/2010 | CN101915104A Rock burst control method for deep tunnel excavation by adopting TBM (Tunnel Boring Machine) |
12/15/2010 | CN101915103A Safe pointing and safe distance real-time monitoring system |
12/15/2010 | CN101915099A Bidirectional U-shaped coal-mining method of thick coal bed by gateway layout along stability layer |
12/14/2010 | US7849937 Method and device for producing a cased string bore |
12/14/2010 | CA2484388C Oscillating disc cutter with speed controlling bearings |
12/08/2010 | CN201666155U Device for widening the adaptation of an EPB shield tunneling machine cutter-head for soft ground |
12/08/2010 | CN201666154U Counter force device of shield machine for passing through station |
12/08/2010 | CN101910560A Steel pipe for reinforcing foundation, method of reinforcing foundation using the same, and method of reinforcing structure |
12/08/2010 | CN101906975A Supporting structure for extra-large cross-section loess tunnel underpass railway and construction method thereof |
12/08/2010 | CN101503960B Multi-pump combined driving shield-tunneling blade disc hydraulic system |
12/08/2010 | CN101476466B Giant heavy laver land slide pre-stress anchor cable antiskid tunnel construction method and novel prevention structure |
12/08/2010 | CN101458186B Mold for crack-containing bolting test |
12/02/2010 | WO2010093775A3 Tunneling apparatus |
12/01/2010 | EP2256457A2 Measurement of underground structures, in particular for underground tunnelling, with consoles |
12/01/2010 | EP2256456A2 Measurement of underground structures in particular for underground tunnelling |
12/01/2010 | CN201661298U Disk positive hobbing cutter device of shield machine |
12/01/2010 | CN101899982A Lane (tunnel) surrounding rock forming and unloading integrated device and simulation test method |
12/01/2010 | CN101899981A Method for reducing abnormal damage of hob in tunnel excavating process of shield machine |
12/01/2010 | CN101899980A Protective knife of shield machine scraper tool apron |
12/01/2010 | CN101899979A Wear-resistant ring for cutter head of shield machine |
12/01/2010 | CN101899978A Method for replacing shield cutter in sand-pebble layer |
12/01/2010 | CN101899977A Ultra-shallow earth-covered subway shield traversing operation tunnel construction method of |
12/01/2010 | CN101440710B Shield machine roller cutter back mounting type self-positioning fixing device |
12/01/2010 | CN101403309B Tunnel shielding blade disc hydraulic control system with widened timing range |
11/25/2010 | WO2010134731A2 Top-down construction method using a branch-type steel frame with channels for the continuous construction of an underground retaining wall |
11/24/2010 | CN201650302U Eiking clear hole structure of existing high speed railway tunnel |
11/24/2010 | CN201650301U Cylindrical shell driving structure of self-drive excavating machine for tunnel pipeline |
11/24/2010 | CN201650300U Self-contained obstacle breaking and foundation stabilizing device of shield machine |
11/24/2010 | CN201650299U Center cutter for shield machine |
11/24/2010 | CN201650298U Plane strain type model testing device capable of simulating the tunnel full-face excavation |
11/24/2010 | CN201650297U Horizontal broken tube picking device |
11/24/2010 | CN101892847A Novel double liquid grout injecting mixer |
11/24/2010 | CN101892845A Five-hole and four-path railway underwater tunnel and construction method thereof |
11/24/2010 | CN101892844A Method for excavating tunnels undergoing advanced bolting by using CRD |
11/17/2010 | EP2250229A1 Tail seals |
11/17/2010 | CN201635745U Ribbed-arch multi-arch tunnel |
11/17/2010 | CN201635744U Wear resisting plate for tunnel boring machine |
11/17/2010 | CN101886544A Hinge system for shield machine and control method thereof |
11/17/2010 | CN101440709B Cutter head center dreg stirring device of soil pressure balance shield machine |
11/17/2010 | CN101126319B Shield tunnel lateral cross-over pile base construction method |
11/16/2010 | US7832960 All-conditions tunnel boring machine |
11/11/2010 | WO2010128861A1 Guiding device for rock drilling machine |
11/10/2010 | CN201627587U Overhang operating platform fixedly connected onto complete sectional hydraulic trolley |
11/10/2010 | CN201627584U Movable bracket |
11/10/2010 | CN101882171A Method for fast establishing interactive tunnel and wall rock body three-dimensional models |
11/10/2010 | CN101881171A Mud-cleaning bucket machine special for underground railway channel |
11/10/2010 | CN101881170A Cutter disc of eccentric multi-shaft tunnel digging machine directly driven by hydraulic cylinders |
11/03/2010 | CN201620894U Monorail crane tramcar container combination and loading platform |
11/03/2010 | CN201620893U Double-blade hob |
10/27/2010 | EP2243579A2 Drilling module for creating multiple boreholes in a component and mobile drilling device unit for attachment to a vehicle, in particular with such a drilling module |
10/27/2010 | EP2242902A1 A method and an apparatus for mining a material in an underground environment |
10/27/2010 | CN201614526U 狭窄空间交叉渡线形式窄轨道岔 Narrow space form a narrow track crossover turnout |