Patents
Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097)
11/2011
11/29/2011CA2517420C Method and composition for injection at a tunnel boring machine
11/24/2011WO2011145396A1 Tunneling machine
11/24/2011WO2011144776A1 Incremental tunnel
11/23/2011EP2388433A1 Laser drilling method and system
11/23/2011CN202047824U Tunnel multifunction operation vehicle elevation platform
11/23/2011CN202047823U Water-sand inflow preventing sealing device for open-type shielding machine
11/23/2011CN102251780A Mounting structure of disc hob
11/23/2011CN102251779A Shield machine with hobs with abrasion display function
11/23/2011CN102251778A Hobbing cutter with wear indication function
11/23/2011CN102251777A Large-scale karst cavity treatment method for karst tunnel
11/23/2011CN102251747A Arc-shaped drill rack
11/23/2011CN101974909B Method for directly building tailing ponds without filling positions above goaf
11/17/2011WO2011140932A1 Composite bridge or composite tunnel for left-hand traffic comprising four y-shaped units
11/17/2011WO2011140928A1 Composite bridge or composite tunnel for right-hand traffic composed of four 't'-shaped units
11/17/2011WO2011140926A1 Composite bridge or composite tunnel for left-hand traffic comprising two y-shaped units
11/17/2011WO2011140925A1 Composite bridge or composite tunnel for right-hand traffic composed of two 't'-shaped units
11/17/2011DE102010009314A1 Guide carrier for use at e.g. forklift lorry in e.g. tunnel sanitary region, has mounted rotary miller screwed on side of carrier that is moved back and forth around point with adjustable radius according to vertical base height adjustment
11/16/2011CN202039860U Parallel oppositely pulling full-mechanized face structure
11/16/2011CN202039859U Door type composite pipe shed cover arch structure for tunnel portal
11/16/2011CN202039858U Automatically-folded multifunctional tunnel construction scaffolding
11/16/2011CN202039857U Lifting type tunnel excavation support operation rack
11/16/2011CN202039856U Automatic balancing support mechanism for support on bumpy ground
11/16/2011CN202039855U Wear-resistant cutterhead of shield machine
11/16/2011CN202039854U Novel cutter disk of shield machine
11/16/2011CN202039853U Mud scrapping system of shield machine belt
11/16/2011CN202039852U Step reinforcing and supporting structure for middle plate of tunnel boring machine
11/16/2011CN202039341U Soil body reinforcing device for tunnel portal ring of underwater shield tunnel holing process
11/16/2011CN202039285U Two-section connected bridge ascent footboard
11/16/2011CN202039262U Left-side-driving combination of four independent long-and-short 'Y'-shaped branched tunnels
11/16/2011CN102242634A Sinecosine grinding prevention installation method of edge cutter or transitional disk roller cutter on full-section tunnel borer
11/16/2011CN102242633A Method for replacing tail brush in extra large diameter shield driving under high water pressure condition
11/16/2011CN102242632A System and method for walking type shield structure translation to transit
11/16/2011CN101864961B Method for actively preventing and controlling rock burst
11/16/2011CN101812991B Construction method for loop type hypobaric holes of railway tunnel
11/16/2011CN101737061B Method for constructing double-arch tunnel by rebuilding and expanding existing single-hole tunnel
11/16/2011CN101705826B Front shield stable shoe hydraulic system of shield machine
11/16/2011CN101666231B Shield machine warehouse entry method
11/16/2011CN101571045B Top-pulling type construction method for burying box culvert and pipeline underground
11/16/2011CN101566065B Planar alignment arrangement of highway or city tunnel
11/09/2011DE202010017291U1 Vorrichtung zur Messung unterirdischer Bauwerke, insbesondere beim unterirdischen Vortrieb, mit mindestens teilweiser mannloser Steuerung Device for measuring underground structures, particularly in underground excavation, with at least partial control of unmanned
11/09/2011CN202031603U Digging loader in ultralow roadway
11/09/2011CN202031602U Transition disc cutter with energy-saving installation
11/09/2011CN202031595U Centralized lubrication system of tunneling machine
11/09/2011CN202031592U Support-type self comprehensive tunneler
11/09/2011CN102234968A Combined tunnel consisting of four smooth left-turn/straight-going tunnels in shape of Bu (Chinese character)
11/09/2011CN102234967A Combined tunnel of four independent left-side-driving long and short Y-shaped bifurcate tunnels
11/09/2011CN102234963A Combined tunnel of four independent 'halberd'-shaped bifurcate tunnels in right running mechanism and with different lengths
11/02/2011CN202023566U Adjustable miniature underground pipeline tunneling cutter head
11/02/2011CN202023565U Novel adjustable belt mud scraping device
11/02/2011CN202023564U Foam generator for shield
11/02/2011CN202023563U Self-walking type miniature underground pipeline heading machine
11/02/2011CN202023559U Comprehensive dig-anchor machine
11/02/2011CN102230768A High-efficiency inclined shaft tunneling blasting method for red clay
11/02/2011CN101725357B Construction method for lower section of underground tunnel
10/2011
10/27/2011WO2011133096A1 Device for sealing a rock wall
10/26/2011CN202017495U Cutting tool for shield machine to tunnel
10/26/2011CN202017494U Large-diameter jacking pipe structure for power tunnel engineering
10/26/2011CN202017493U Construction equipment for inverted arch of high-speed railway double-track tunnel
10/26/2011CN102226413A Gas extraction method of cross hole drilling area of gas discharge laneway
10/26/2011CN102226412A Underground dark mining drilling well gas extraction method
10/26/2011CN102226400A Method for preventing clamping stagnation of shield body due to too large frictional resistance in earth pressure balance shield machine
10/26/2011CN102226399A Soft rock four-line large-span tunnel three-bench cable-bracing excavation construction method
10/26/2011CN102226398A Soft rock four-line large-span tunnel compound double-side wall bracing cable conversion excavation construction method
10/26/2011CN102226396A Non-explosive mining method by excavation, artificial group-column reconstruction, long-hole caving and subsequent filling
10/26/2011CN101539022B Earth pressure balance shield machine cutterhead
10/20/2011WO2011129841A1 Latching configuration for a microtunneling apparatus
10/19/2011CN202012355U Explosive shield machine
10/19/2011CN202012354U Additive inlet structure for shield excavation machine
10/19/2011CN102220879A Mine underground transport vehicle park
10/19/2011CN102220868A Urban shallow buried large-section tunnel five-step excavating method
10/19/2011CN102220813A Concrete maintenance and reinforcement treatment method
10/13/2011US20110247246 Attachment cutting system having cutting heads and a cutter chain
10/12/2011CN202007670U Shield body hinged positioning device for shield machine
10/12/2011CN102213098A Test device for simulating local special loads of tunnel and underground engineering
10/12/2011CN101793616B Movable type hydraulic loading device for shield simulation test bed
10/06/2011WO2011121155A1 Metropolitan transport system and method
10/06/2011DE102010016317A1 Verfahren zur Ortung von Personen und/oder mobilen Maschinen in Grubenräumen unter Nutzung der RFID-Technik und Streb-Gewinnungsanlage zur Durchführung des Verfahrens Method for locating people and / or mobile machines in mine workings using RFID technology and longwall extraction system for implementing the method
10/05/2011CN202001060U Improved shield machine drainage system
10/05/2011CN202001019U Shield cutter disc with foam nozzle protection cutters
10/05/2011CN202001018U Cradle of laser station in automatic guide system for shield machine
10/05/2011CN202001017U Tail sealing brush structure added with spring plate for enhancing resilience force
10/05/2011CN202001016U Automatic travelling mechanism of trestle bridge
10/05/2011CN101806218B Underground small-size sloping way construction method for mines
10/05/2011CN101718199B Method for constructing underground coal mine chamber of large cross section
10/05/2011CN101560882B Digging method for preventing strong or strong rock burst on active face
09/2011
09/28/2011CN201991539U 城区浅层地铁施工旁输送机 City shallow subway construction next to the conveyor
09/28/2011CN201991538U 矿用液压可升降工作台 Mine hydraulic elevating table
09/28/2011CN201991537U 圆弧巷道掘进机 Arc roadheader
09/28/2011CN201991536U 盾构掘进过程中更换尾刷的装置 During tunneling device replacement tail brush
09/28/2011CN201991535U 一种盾构机过站装置 One kind of shield machine over station device
09/28/2011CN201991528U 一种硬岩掘进机伸缩装置 One kind of TBM telescopic device
09/28/2011CN201991527U 步进式行走掘进机 Stepping walking roadheader
09/28/2011CN102200014A Earth pressure balance type annular shield machine
09/28/2011CN101798931B Construction technology method of large-scale lead pipe roofs of tunnels and underground engineering without workshops
09/28/2011CN101781990B Construction method for dealing with tunnel collapses
09/22/2011WO2011115610A1 Drilling apparatus with shutter
09/21/2011CN201982105U 用于隧道洞口的桩式复合管棚套拱结构 Pile composite pipe roof structure for the tunnel entrance arch sets of
09/21/2011CN201982104U 一种隧洞掘进用挖斗装载机的挖掘斗 One kind of tunnel excavation loader with a bucket digging bucket
09/21/2011CN201982103U Construction structure of channel structure
09/21/2011CN201982090U 一种复合旋切的采掘机 A composite veneer of mining machine
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