| 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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| 03/07/2012 | CN101975084B Spiral conveyer for earth pressure balance push bench |
| 03/01/2012 | WO2012024938A1 Cutting device with function of changing diameter in small range for soft rock shield machine |
| 03/01/2012 | US20120051843 Tunnel drilling machine |
| 02/29/2012 | EP2212479B1 Underwater suspended tunnel |
| 02/29/2012 | DE202009018579U1 Vorrichtung zum Erweitern einer Pilotbohrung im Erdreich Apparatus for expanding a pilot hole in the ground |
| 02/29/2012 | CN202152686U Knife flywheel protective cutter for tunnel boring machine |
| 02/29/2012 | CN202152685U 三角形轴端固定式的盾构机用先行刀安装结构 Triangular shield machine shaft fixed mounting structure with a first knife |
| 02/29/2012 | CN202152684U 先行刀与刀盒的安装结构 First mounting structure and the knife box cutter |
| 02/29/2012 | CN102364050A Foam launching device |
| 02/29/2012 | CN102364049A Hard rock composite TBM (Tunnel Boring Machine) suitable for composite stratum and tunneling mode thereof |
| 02/29/2012 | CN102364048A Comprehensive mechanized rock roadway tunneling machine |
| 02/29/2012 | CN102155030B Excavator for top excavation |
| 02/23/2012 | WO2011094156A3 Cutter assembly for a raise boring reamer |
| 02/22/2012 | CN202150333U 一种地铁盾机用变压器 For Metro shield machine transformers |
| 02/22/2012 | CN202148906U 公路遂道光线缓冲装置 Highway tunnel light cushioning device |
| 02/22/2012 | CN202148905U 一种盾构机双盘形中心滚刀 One kind of shield machine hob double-disc-shaped center |
| 02/22/2012 | CN202148904U 盾构机梯形轴滚刀的固定结构 TBM trapezoidal shaft fixed structure hob |
| 02/22/2012 | CN102359835A Soil pressure and grouting pressure sensor for shield tunnelling machine |
| 02/22/2012 | CN102359380A Main driving mechanism of six-arm cutterhead used for shield machine |
| 02/22/2012 | CN102359379A Annular shield machine and tunnel construction method |
| 02/22/2012 | CN101858220B 一种隧道双上侧壁导坑施工方法 Side Heading tunnel construction method of a double on |
| 02/22/2012 | CN101775987B 地下立交上下主隧道交叠处零间距施工方法 Up and down the main tunnel underground interchange at zero pitch overlapping construction methods |
| 02/16/2012 | WO2012020451A1 Surveying device for pipe-jacking method |
| 02/16/2012 | WO2012020447A1 Device for laying synthetic resin pipe underground along a curve |
| 02/16/2012 | DE102010033896A1 Tunneling machine advances and retracts in narrow access tube as tracked vehicle, where flat cable is wound and unwound on large reel, and tunneling machine comprises boring section |
| 02/15/2012 | CN202144742U 采用新型密封的盾构机用端盖固定式双刃滚刀 Using new sealing cap shield machine with fixed double-edged cutter |
| 02/15/2012 | CN202144741U 先行刀与双刀盒的安装结构 First pole mounting structure with box cutter |
| 02/15/2012 | CN202144740U 一种弱胶结未成砂岩隧道施工地下箱式框架结构 A weakly cemented sandstone tunneling underground unpaired box frame structure |
| 02/15/2012 | CN102352755A Square box shield machine |
| 02/15/2012 | CN102352754A Wire grid-based shield machine cutter abrasion loss on-line monitoring device |
| 02/15/2012 | CN102352753A Freezing consolidation and soil-accumulating watering shield arrival method |
| 02/15/2012 | CN102352752A Walking mechanism with oil tanks |
| 02/14/2012 | US8113741 Boring machine with conveyor system for cuttings and method for boring therewith |
| 02/09/2012 | WO2012018882A1 Underground boring machine |
| 02/09/2012 | CA2807377A1 Underground boring machine |
| 02/08/2012 | CN202140097U 防弦磨安装的全断面隧道掘进机边刀或过渡盘形滚刀 Tunnel boring machine knife edge or transition disc cutter mill installed anti chord |
| 02/08/2012 | CN202140096U 防崩刃安装的全断面隧道掘进机刀盘上盘形滚刀正刀 Disc Cutter are on a knife Tunnel boring machine cutter mounted anti-chipping |
| 02/08/2012 | CN202140095U 具有弧形端盖的滚刀与圆柱形刀盒的安装结构 Mounting structure with a curved end caps and cylindrical knife box cutter |
| 02/08/2012 | CN202140094U 具有滚刀磨损显示功能的盾构机 Wear with a hob shield machine display function |
| 02/08/2012 | CN202140093U 盾构机用具有弧形端盖的滚刀 TBM has a curved end caps with a hob |
| 02/08/2012 | CN202140092U 具有磨损指示功能的中心刀 The center has a wear indicator function knife |
| 02/08/2012 | CN202140091U 采用新型密封的盾构机用三重端盖固定式双刃滚刀 Using the new seal shield machine with triple cover fixed edged hob |
| 02/08/2012 | CN202140090U 具有磨损显示功能的盾构机用先行刀 Having to wear the shield machine display function first knife |
| 02/08/2012 | CN202140089U 一种滚刀压力平衡装置 One kind of pressure balancing device hob |
| 02/08/2012 | CN202140088U 一种可同时注入膨润土的盾构机泡沫剂注入管路系统 Which can simultaneously injecting bentonite shield machine foam injection piping system |
| 02/08/2012 | CN102345465A Hooping sealing device used in shield arrival |
| 02/08/2012 | CN102345464A Self-bonding air bag sealing device |
| 02/08/2012 | CN102345462A Method for determining stopping sight distance in small-radius spiral tunnel on expressway and method for widening tunnel section |
| 02/08/2012 | CN102345461A Subsequent project and shield driving parallel construction method for long-distance railway tunnel |
| 02/08/2012 | CN102345460A Settlement control method for shallow large-section loess tunnel |
| 02/08/2012 | CN102345458A Drilling-milling-beam installation integrative machine for coal road |
| 02/08/2012 | CN101858221B Continuous belt mucking method suitable for drilling and blasting tunnel construction and application system and equipment thereof |
| 02/01/2012 | CN202132050U Driving and direction adjusting device of shield belt conveyor |
| 02/01/2012 | CN202132049U 盾构机三角形轴滚刀的固定结构 TBM triangular shaft fixed structure hob |
| 02/01/2012 | CN202132048U 盾构机方形端盖滚刀的固定结构 TBM square cover fixed structure hob |
| 02/01/2012 | CN202132047U 盾构机半圆柱六边形端盖单刃滚刀装置 TBM semi-cylindrical hexagonal cap single blade cutter device |
| 02/01/2012 | CN202132046U 盾构机半圆柱弧形端盖单刃滚刀装置 TBM semi-cylindrical curved single-edged cutter device cover |
| 02/01/2012 | CN202132045U 采用新型注油结构的盾构机用滚刀 Oiling structure using the new shield machine hob |
| 02/01/2012 | CN202132041U 一种掘进机用可拆卸式运输机 One kind of boring machine with a removable conveyor |
| 02/01/2012 | CN102337907A Construction method for intermediate prefabricated culvert of shield tunnel |
| 02/01/2012 | CN102337902A Slag removal device for tunneling operation |
| 02/01/2012 | CN102337901A Online tool-changing head structure for tunneling operation |
| 02/01/2012 | CN102337900A Circulating matting type shield air-pushing method |
| 02/01/2012 | CN102337899A Direction-adjusting device for open-type full-section hard rock tunneling machine |
| 02/01/2012 | CN102337898A Planetary primary-secondary drill bit for extra-large tunnel shield machine |
| 02/01/2012 | CN102337897A Shield integral type arrival receiving device and construction method employing same |
| 02/01/2012 | CN102337896A Roller type cutter rectangular pipe jacking machine |
| 02/01/2012 | CN101963507B 盾构管片中心检测系统及其盾构姿态确定方法 Shield segment center detection system and method for determining the attitude Shield |
| 01/25/2012 | CN202125299U Walking type shield translation station-passing system |
| 01/25/2012 | CN202125298U Device avoiding mud cake sticking to cutter disc |
| 01/25/2012 | CN102330558A Six-arm cutterhead used for shield machine |
| 01/25/2012 | CN102330557A Slurry injection system and tunneling machine |
| 01/25/2012 | CN102330556A Multi-tank heading machine |
| 01/25/2012 | CN102330555A Tunnelling equipment |
| 01/25/2012 | CN101408107B Energy-saving type shield propulsion hydraulic system by using zone control |
| 01/18/2012 | EP2407630A2 Pipe umbrella drilling method |
| 01/18/2012 | CN202117685U Rockfall protection structure for extended open cut tunnel of railway tunnel |
| 01/18/2012 | CN202117684U End cap fixed type double-edge hob with abrasion display function for shield machine |
| 01/18/2012 | CN202117683U Triple-end-cover fixed type shield machine double-edge hobbing cutter with abrasion display function |
| 01/18/2012 | CN202117682U Double-edged hob for shield machine with wear display function |
| 01/18/2012 | CN202117681U Installation structure of advance cutter for shield machine |
| 01/18/2012 | CN202117680U Installation structure for disc cutter |
| 01/18/2012 | CN202117679U Novel shield type foam mixing system |
| 01/18/2012 | CN202117678U Tube storage device for shield machine |
| 01/18/2012 | CN202117677U Steel brush for sealing shield tail |
| 01/18/2012 | CN202117676U Multifunctional shield subway tunnel structure |
| 01/18/2012 | CN202117675U Excavation device for excavator |
| 01/18/2012 | CN102322853A Tunnel back break control laser lofting device |
| 01/18/2012 | CN102322292A Contact tunnel also serving as pump station structure between shield tunnels and construction method thereof |
| 01/18/2012 | CN102322290A Adhesive tape inclined shaft exploitation way for large-scale underground metal mine |
| 01/18/2012 | CN102322272A Hard rock tunnel tunneling method |
| 01/18/2012 | CN102322271A Tool pan back-loading type device for changing tool of slurry-balanced shield machine under normal pressure |
| 01/18/2012 | CN102322270A Shield cutter for composite ground |
| 01/18/2012 | CN102322269A Super early receiving supporting structure of shield machine and super early receiving method |
| 01/18/2012 | CN102322268A Protecting device of shield machine thrust oil cylinder |
| 01/18/2012 | CN102322267A Method for preventing and controlling rock burst in soft rock of deep well |
| 01/18/2012 | CN102322266A Tunnel excavating and constructing method |
| 01/18/2012 | CN102322027A Method for constructing subway station by enlarging and digging shield tunnel by adopting mining method |
| 01/18/2012 | CN101769155B Double-drive planetary transmission driving system of shield machine |
| 01/18/2012 | CN101519968B Hopper slag collecting pit |