| Patents for E21D 9 - Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries (7,097) |
|---|
| 07/27/2011 | CN201908661U Spiral block of spiral propeller |
| 07/27/2011 | CN201908660U Pilot conduit device used in long-distance jacking construction of large-diameter steel pipe |
| 07/27/2011 | CN201908656U Digging and protecting all-in-one machine and telescopic boom thereof |
| 07/27/2011 | CN102134999A Formation simulation hydraulic multi-mode loading system for testing shield propulsion system |
| 07/27/2011 | CN102134998A Construction method for wind-blown sand tunnel |
| 07/27/2011 | CN102134997A Rock drilling machine and pipe roof anchor rod connector |
| 07/27/2011 | CN102134968A Drilling system and drilling equipment |
| 07/27/2011 | CN101787891B Station-crossing construction method and station-crossing construction device of wheel type mobile foundation |
| 07/27/2011 | CN101509381B Composite shield structure suitable for complicated stratum construction |
| 07/21/2011 | DE19930504B4 Verfahren zum Auffahren von Strecken in stark wasserführenden Schichten und dafür geeignete Bohreinrichtung A method for tailgating of routes in highly water-bearing strata and suitable for drilling device |
| 07/20/2011 | CN201902230U Multi-pedrail barrier breaking machine for mine |
| 07/20/2011 | CN201902211U Detection cutter of shield machine |
| 07/20/2011 | CN102128036A Construction method of cross section-expanded loop type depressurizing portal for high-speed railway tunnel |
| 07/20/2011 | CN102128035A Construction method of bilateral biased small-clear distance tunnel |
| 07/20/2011 | CN102128034A Methane safe control method for tunneling methane stratum-containing tunnel shield |
| 07/20/2011 | CN102128032A Tramcar for storing and transferring rocks |
| 07/20/2011 | CN101440708B PBA shallow buried underground excavating close range large section three-hole separated island type structure construction method |
| 07/13/2011 | CN201896619U Protective device for nozzle of improved ballast system of shield machine |
| 07/13/2011 | CN102121394A Method for uncovering outburst coal seam by using pseudo lithosphere on laneway |
| 07/13/2011 | CN102121387A Conveyor with four-link floating mechanism for development machine |
| 07/13/2011 | CN102121386A Star wheel device and development machine |
| 07/13/2011 | CN102121385A Tunnel excavation method for extending existing single-hole tunnel into double-arch tunnel |
| 07/13/2011 | CN102121382A Composite rotary cutting mining machine |
| 07/13/2011 | CN101672183B Long-distance shield propelling method under structure with three closed structure |
| 07/06/2011 | CN201891420U Mounting component of cutter head driving device of shield machine |
| 07/06/2011 | CN201891419U Positioning and guiding device for parallel cut |
| 07/06/2011 | CN201891418U Clamping and drawing device for tunnel geology advanced prediction receiving probe protective casing |
| 07/06/2011 | CN102116157A Construction method for changing tunneling manner of adjacent shields from horizontal parallel to up-down parallel |
| 07/06/2011 | CN101769708B Multisection continuous observing method for feeding back tunnel surrounding rock deforming rule |
| 07/06/2011 | CN101258303B Arrangement for extracting extraction products in underground extraction operations in caving |
| 07/05/2011 | CA2498202C Method and composition for reducing wear in a cutting head of a tunnel boring machine |
| 06/30/2011 | WO2011076616A1 Method for replacing a tunnel boring machine disk cutter, handling device and disk cutter suited to such a method |
| 06/30/2011 | CA2785364A1 Method for replacing a tunnel boring machine disk cutter, handling device and disk cutter suited to such a method |
| 06/29/2011 | CN201884034U Trolley for concrete construction of partition wall in steep inclined shaft |
| 06/29/2011 | CN102108871A Multi-layer tunnel |
| 06/29/2011 | CN101713292B Full-time propulsion system structure used in earth pressure balanced shield |
| 06/29/2011 | CN101649743B Adjustable propulsion mechanism for soil pressure balance type shield |
| 06/22/2011 | DE112010000017T5 Geschlossene Abfahrts- und Ankunftsvorrichtung für eine Schildvortriebsmaschine Closed departure and arrival device for a shield tunneling machine |
| 06/22/2011 | CN201874585U Mechanically-driven double-disk heading device for header |
| 06/22/2011 | CN201874584U Cutter-disk hob-seat installing and positioning device |
| 06/22/2011 | CN201874583U Initiating device for shield machine |
| 06/22/2011 | CN201874582U Power rear-mounted telescopic arm for header |
| 06/22/2011 | CN201874578U First conveying system of heading machine |
| 06/22/2011 | CN102102524A Loading and transporting mechanism and development machine |
| 06/22/2011 | CN102102523A Subway shield translation method |
| 06/22/2011 | CN102102522A Track and posture composite control method in shield tunneling process |
| 06/22/2011 | CN102102521A Method for broadening and rebuilding soft soil shallow tunnel in operation state |
| 06/22/2011 | CN101560881B Double-layer shield tunnel |
| 06/22/2011 | CN101086208B All-section rock tunneling machine cutter layout design optimization method |
| 06/16/2011 | WO2011070188A1 Method for making tunnels or perforations in civil engineering works using sacrificial tunnels |
| 06/15/2011 | CN201865671U Guide heads of platform support junction |
| 06/15/2011 | CN201865130U Excavation-type loader |
| 06/15/2011 | CN102094673A Method for quickly moving fully mechanized mining face under special geological condition |
| 06/15/2011 | CN102094659A Shield entry spring hinge plate sealing device |
| 06/15/2011 | CN102094654A Three-track tunnel structure for high speed railway |
| 06/15/2011 | CN102094653A Loading and conveying linkage device for heading machine |
| 06/15/2011 | CN102094652A Coal mine underground multifunctional stirring, loading and unloading device |
| 06/15/2011 | CN102094651A Automatic traveling device for traveling on uneven ground |
| 06/15/2011 | CN102094650A Construction method for shield holing under complicated working conditions |
| 06/15/2011 | CN102094649A Method for constructing underground space by shield-shallow buried covered excavation composite method |
| 06/15/2011 | CN102094648A Mobile support device |
| 06/15/2011 | CN101603425B Variable-frequency control device used for shield construction cuttingwheel drive and control method thereof |
| 06/08/2011 | CN201857975U Supported comprehensive tunnel boring machine |
| 06/08/2011 | CN201857974U Transmission structure for square flange of cutting mechanism of cantilever type development machine |
| 06/08/2011 | CN201857973U Cutter of shield machine |
| 06/08/2011 | CN102086768A Cutting blade structure of shield machine |
| 06/08/2011 | CN102086767A Mud water balanced-type ring-shaped shield machine |
| 06/08/2011 | CN101614127B Method for surveying river-crossing leveling during shield breakthrough construction |
| 06/08/2011 | CN101566064B Large-section tunnel construction method |
| 06/08/2011 | CN101519969B Double partition two-arch tunnel |
| 06/08/2011 | CN101457647B Internal and external bit angle asymmetric transition disk type hobbing cutter ring |
| 06/01/2011 | CN201851128U Pressurizer for maintenance and tool change under pressure in construction of shield machine |
| 06/01/2011 | CN201851127U Cutter head support of shield machine cutter head driving device |
| 06/01/2011 | CN201851126U Cutter driving device of shield machine |
| 06/01/2011 | CN201851125U Detachable panel of shield cutter disk |
| 06/01/2011 | CN201851124U Shield tail conveying pipeline of shield machine |
| 06/01/2011 | CN201851004U Double-oil cylinder double-lifting arm mechanism of underground drilling machine |
| 06/01/2011 | CN102080558A Purification and exhaust method for road tunnel without air shaft |
| 06/01/2011 | CN102080554A Waterproof airbag for tunnel shield to enter the hole |
| 06/01/2011 | CN102080551A Three-amplitude construction method for inverted arch of primary support of weak broken wall rock tunnel |
| 06/01/2011 | CN102080550A Method for designing double-layer primary support system of large section rock tunnels |
| 06/01/2011 | CN102080549A Anti-falling structure with U-shaped block clip for shield tail seal brush |
| 06/01/2011 | CN102080548A Construction method of tunnel to cross airport runway by shield method |
| 06/01/2011 | CN102080547A Method for plugging big aperture hand hole in shield tunnel |
| 05/25/2011 | EP2325601A2 Measurement of underground structures, in particular for underground tunnelling, having change plates |
| 05/25/2011 | EP2324158A1 Attachment cutting system having cutting heads and a cutter chain |
| 05/25/2011 | CN201843637U Mining intelligent walking escape cabin |
| 05/25/2011 | CN201843623U Sealing and guiding device of synchronous grouting simulation test platform for shield machine |
| 05/25/2011 | CN201843620U Cutting cutter head of pipe-jacking tunneling machine |
| 05/25/2011 | CN201843619U Improved body of central rotary joint of shield |
| 05/25/2011 | CN201843618U Cutter disc driving open type hydraulic system of small-size shield machine |
| 05/25/2011 | CN201843617U Pipeline arranging structure of trolley matched with shield machine |
| 05/25/2011 | CN201843616U Intelligent heading machine |
| 05/25/2011 | CN102076914A Worksite avoidance system |
| 05/25/2011 | CN102072450A Continuous illumination method for long-distance pipe-jacking construction |
| 05/25/2011 | CN102071952A Shield tail sealing brush structure for adding spring plate to improve resilience force |
| 05/25/2011 | CN102071951A Novel shield tail sealing brush |
| 05/25/2011 | CN102071950A Method for protecting shield tail brush and preventing shield tail from seepage |
| 05/25/2011 | CN102071949A Pile type composite tube roofing cover arch structure for tunnel portal and construction method thereof |
| 05/25/2011 | CN102071948A Door type composite pipe roof umbrella arch structure for tunnel opening and construction method thereof |