| 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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| 08/04/2010 | CN201539263U Novel screw conveyor front barrel |
| 08/04/2010 | CN201539262U Hydraulic control loop of advancing cylinder for shield machine |
| 08/04/2010 | CN201539261U Pull-out-free freezing device |
| 08/04/2010 | CN201539260U Grille-type trenchless pipe-jacking excavating device |
| 08/04/2010 | CN201539259U Grille-type square section trenchless pipe-jacking excavating device |
| 08/04/2010 | CN201539258U Soil pressure sensor mounting seat for shield machine |
| 08/04/2010 | CN101796264A Tunnel multi gallery |
| 08/04/2010 | CN101793616A Movable type hydraulic loading device for shield simulation test bed |
| 08/04/2010 | CN101793152A Construction technology for soft rock large-deformation tunnel by de-stressing method and matched bracket |
| 08/03/2010 | US7766579 Process and device for building a tunnel immersed on a sub-sea soil |
| 07/28/2010 | CN201535169U 双刃齿刀 Double-edged cutter |
| 07/28/2010 | CN201535168U 单刃齿刀 Single blade cutter |
| 07/28/2010 | CN101787891A Station-crossing construction method and station-crossing construction device of wheel type mobile foundation |
| 07/28/2010 | CN101787890A Rotating control method of shield segment splicing machine |
| 07/27/2010 | CA2185057C Tunnel digging machine |
| 07/21/2010 | EP2208826A1 Method of preparing air foam stabilizing liquid and method of air foam drilling work |
| 07/21/2010 | CN201531272U Hydraulic system of front shield stable boot of shield machine |
| 07/21/2010 | CN101781992A Rock tunnel cut-through machine |
| 07/21/2010 | CN101781991A Double-well type reinforcement method of shield arrival or starting end and double-well type shield arrival method |
| 07/21/2010 | CN101781990A Construction method for dealing with tunnel collapses |
| 07/21/2010 | CN101781989A High-gas mine crossheading echelon short-drainage rapid tunneling process |
| 07/14/2010 | EP2206876A1 Drilling head for drilling machine |
| 07/14/2010 | EP2205830A1 Process for determining additives used in tunnel boring machines and device |
| 07/14/2010 | CN101775989A Comprehensive simulation test platform of large sunk shield entry-driving machine |
| 07/14/2010 | CN101775988A Method for constructing from inclined shaft to main tunnel in weak surrounding rock |
| 07/14/2010 | CN101775987A Zero spacing construction method for overlapping part of upper main tunnel and lower main tunnel of underground overpass |
| 07/14/2010 | CN101775796A Unplugging-free freezer |
| 07/08/2010 | WO2010078033A2 All-conditions tunnel boring machine |
| 07/08/2010 | US20100171310 Sealed tubular joint with plastic expansion and at least one inclined surface |
| 07/07/2010 | CN201521304U Full-automated shield automatic guiding system |
| 07/07/2010 | CN101769708A Multisection continuous observing method for feeding back tunnel surrounding rock deforming rule |
| 07/07/2010 | CN101769415A Automatic grease injection device of shield machine segment conveyor |
| 07/07/2010 | CN101769156A Technology for realizing grass planting on net hung on tunnel face |
| 07/07/2010 | CN101769155A Double-drive planetary transmission driving system of shield machine |
| 07/07/2010 | CN101769154A Excavation supporting method for tunnel construction |
| 07/01/2010 | US20100164274 Shield Machine |
| 07/01/2010 | DE10234255B4 Verwendung von Bohr-Injektionsankern als flächentragende Armierung eines Vortriebs-Gewölbeschirmes Use of drilling injection anchors as bearing surface reinforcement of a propulsion vault screen |
| 07/01/2010 | DE10118257B4 Verfahren zum Schützen des Arbeitsraumes einer Streckenvortriebsmaschine und Schutzhaube A method for protecting the working space of a mining machine and protective cover |
| 06/30/2010 | CN101761343A Rapid and continuous excavation constructing method for overlarge-diameter soil pressure balance shield |
| 06/30/2010 | CN101761342A Resistance-enhancing component on periphery of barrel body of self-drive excavating machine |
| 06/23/2010 | CN201513180U Micro-pressure wave-buffering tunnel wall structure of high-speed railway tunnel |
| 06/23/2010 | CN201513179U Disk cutter used for shield machine |
| 06/23/2010 | CN101749029A Ring body for suppressing propagation of earth pressure, its mounting structure, disc cutter and roller device |
| 06/23/2010 | CN101749028A Cross-pulling construction method for soft soil zone with high ground water level |
| 06/23/2010 | CN101749027A Multi-adaptive cutter head for shield machine |
| 06/23/2010 | CN101749026A Grid reinforcing method of shield receiving or starting end head and shield receiving method |
| 06/23/2010 | CN101749025A Improved construction method of soil mass of extra-large-diameter soil pressure balancing shield on soft soil stratum |
| 06/23/2010 | CN101749024A Pipe-pulling construction method of underground buried box culvert |
| 06/23/2010 | CN101749023A Advanced water detecting method of subsea tunnel |
| 06/23/2010 | CN101749022A Control method for attitude measurement of push bench with wide angle during slantwise entering hole |
| 06/23/2010 | CN101749021A Receiving method for pipe pusher obliquely entering narrow receiving well in underground pipe pushing construction |
| 06/23/2010 | CN101387202B Method for enlarging and digging tunnel portal at weak surrounding rock section in tunnel |
| 06/17/2010 | DE102008041982B4 Anbaufrässystem mit Schneidköpfen und Fräskette Anbaufrässystem with cutting heads and cutter chain |
| 06/16/2010 | EP2195509A1 A way of constructing and renovating the pipeline especially an underground one, and a set of devices for using this method |
| 06/16/2010 | CN201507313U Mudlining-prevention device of cutter of shield machine |
| 06/16/2010 | CN101737064A Shield synchronous grouting serous fluid |
| 06/16/2010 | CN101737061A Method for constructing double-arch tunnel by rebuilding and expanding existing single-hole tunnel |
| 06/16/2010 | CN101737060A Beneath-soil through-tunnel superlarge diameter pipe curtain construction method |
| 06/16/2010 | CN101737059A Advancing construction method of long tube shed |
| 06/16/2010 | CN101737058A Small-radius shield tunnel construction technology |
| 06/16/2010 | CN101737057A Method for constructing subway station air shaft for soft soil strata |
| 06/16/2010 | CN101737056A Deep stope automatic lane forming physical simulation test method and device |
| 06/16/2010 | CN101737055A Combined type air pressure balance tool pipe |
| 06/16/2010 | CN101737005A Drilling tool for sleeving anchor cable and construction method for sleeving anchor cable with simultaneous casing |
| 06/16/2010 | CN101285387B Propelling plant for earth pressure balancing shield |
| 06/09/2010 | CN201502381U Speed reduction and antiskid marking suitable for road sections of tunnel entrance and tunnel exit |
| 06/09/2010 | CN201502380U Disk hobbing cutter used for shielded tunnel boring machine |
| 06/09/2010 | CN101725360A Butt joint method of shield machine |
| 06/09/2010 | CN101725359A Turn round method of shield machine in work shaft |
| 06/09/2010 | CN101725358A Excavation construction method of ultra-shallow buried uneven weathered stratum of tunnel |
| 06/09/2010 | CN101725357A Construction method for lower section of underground tunnel |
| 06/09/2010 | CN101725356A Space enclosing structure of underground building shaft and shield machine cutting construction method thereof |
| 06/09/2010 | CN101725355A Palisade structure for underground architectural shaft and shield machine cutting construction method thereof |
| 06/09/2010 | CN101725354A Cable tunnel shaft enclosure structure and shield machine cutting construction method thereof |
| 06/09/2010 | CN101725155A Multi-direction rotary jetting stirring grouting reinforcement construction method for constructing underground structure and soil body by cover excavation and underground excavation and supporting structure thereof |
| 06/09/2010 | CN101251015B Construction method for exchanging shield ventral brush |
| 06/03/2010 | WO2010060177A1 Laser drilling method and system |
| 06/02/2010 | CN201496518U Offset and crossed type speed reducer |
| 06/02/2010 | CN201496071U Trestle bridge type circular needle beam trolley |
| 06/02/2010 | CN101718200A Shield cutter rotary drive pressure adapting hydraulic control system of proportional valve controlled energy accumulator |
| 06/02/2010 | CN101718199A Method for constructing underground coal mine chamber of large cross section |
| 06/02/2010 | CN101285385B Undermining method for three-dimensional pipe-curtain |
| 05/27/2010 | WO2010058933A2 Tunnel excavation method |
| 05/27/2010 | US20100126769 Method of modifying drilling pattern, rock drilling rig, and software product |
| 05/26/2010 | EP2188491A1 Method and software product for designing drilling pattern for rock cavity excavation |
| 05/26/2010 | CN201486567U Subway shield synchronous grouting and cleaning device |
| 05/26/2010 | CN201486563U Tunnel portal structure of high-speed railway |
| 05/26/2010 | CN201486562U Mine and tunnel excavator |
| 05/26/2010 | CN101713293A Method for constructing ecological tunnel |
| 05/26/2010 | CN101713292A Full-time propulsion system structure used in earth pressure balanced shield |
| 05/19/2010 | CN201474701U Communicating and power supplying device of shield automatic guiding system |
| 05/19/2010 | CN201474700U Shield machine shunting platform |
| 05/19/2010 | CN201474699U Motor-driven power supply device |
| 05/19/2010 | CN101709649A Cantilevered tunnelling machine cutting interference preventing device and system applying same |
| 05/19/2010 | CN101709648A Method for determining front angle of shield machine cutter |
| 05/19/2010 | CN101709647A Minitype multifunctional heading machine |
| 05/19/2010 | CN101148989B Tunnel shield digging machine local and remote monitoring method |
| 05/18/2010 | US7718581 Method using composition to reduce cutting head wear |
| 05/12/2010 | DE202010001744U1 Sprühdüseneinheit Spray nozzle |
| 05/12/2010 | CN201460904U Ultra-long horizontal freezing consolidation structure for shield entry |