| 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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| 07/11/2012 | CN202325575U 隧道内长管棚 Long tube tunnels |
| 07/11/2012 | CN202325540U Muddy water shield crusher |
| 07/11/2012 | CN202325539U Spiral composite mucking machine |
| 07/11/2012 | CN202325538U Dustproof structure for rail of guide beam frame |
| 07/11/2012 | CN202325537U Cutterhead nozzle protection device for shield tunneling machine |
| 07/11/2012 | CN202325536U Replaceable mounting structure for center cutter with self-rotation function |
| 07/11/2012 | CN202325535U 综合机械化岩巷掘进机的切削刀 Mechanized rock roadheader cutting knife |
| 07/11/2012 | CN202325534U 综合机械化岩巷掘进机的切削刀的转动装置 Turn the device mechanized rock roadheader cutting knife |
| 07/11/2012 | CN202325533U 盾构机轴座固定式双刃滚刀在四刃刀盒中的固定结构 TBM shaft seat fixed double-edged blade knife box cutter in four fixed structure |
| 07/11/2012 | CN202325532U Fixed structure of shaft seat fixed-type center cutter of shield machine and cutter box for center cutter |
| 07/11/2012 | CN202325531U 盾构机圆柱先行刀的安装结构 TBM cylinder mounting structure first knife |
| 07/11/2012 | CN202325530U Rotary limiting device of pipe piece installing machine |
| 07/11/2012 | CN202325529U Composite muck removal device of shield machine |
| 07/11/2012 | CN202325528U 盾尾注浆管、油脂管和凝固液注入管的集成安装结构 Integrated mounting structure shield tail grouting pipe, oil pipe and solidifying liquid injection pipe |
| 07/11/2012 | CN202325527U Slurry shield mud conveying device |
| 07/11/2012 | CN202325256U Slideable guide beam frame for air drill |
| 07/11/2012 | CN202325255U Split sliding seat |
| 07/11/2012 | CN202324013U 抗落石冲击明洞、棚洞洞顶垫层结构 Anti-rockfall impact Myeongdong, shed roof hole cushion structure |
| 07/11/2012 | CN102562146A Construction gap filling method and device for shield through air pushing section |
| 07/11/2012 | CN102562088A Method for preventing gas from being accumulated at corners on coal faces |
| 07/11/2012 | CN102562087A Hydraulic drill follow-up pipe-shed construction method |
| 07/11/2012 | CN102562086A Computing method for rotation bending moment of shield tunneling during left and right steering |
| 07/11/2012 | CN102562085A Shield machine remote data acquisition system based on SCADA (Supervisory Control and Data Acquisition) system |
| 07/11/2012 | CN102562084A TBM (tunnel boring machine) cutter expansion and contraction device |
| 07/11/2012 | CN102562083A Hob capable of being pushed out |
| 07/11/2012 | CN102562082A Shield machine with rolling stopper |
| 07/11/2012 | CN102562081A Shield tail sealing device for shield machine |
| 07/11/2012 | CN102562080A Method and system for dredging clogged slurry door by reverse circulation of slurry shield |
| 07/11/2012 | CN102562079A Method for calculating pitch bending moment in process of adjusting direction along depth direction during shield tunnelling |
| 07/11/2012 | CN102562078A Automatic control system for double-scissors-crossover transportation in narrow construction space |
| 07/11/2012 | CN102562077A Excavation construction method of frame tunnel penetrating special structure at lower portion |
| 07/11/2012 | CN102562076A Underground excavation construction technology for large cross-section subway station under geological condition of soft upper layer and hard lower layer |
| 07/11/2012 | CN102562075A Large cross-section weak surrounding rock tunnel three-step and six-part short-distance construction method |
| 07/11/2012 | CN102562074A Construction method for composite stratum with hard top and soft bottom of large-section tunnel |
| 07/11/2012 | CN102561433A Drilling, crushing, digging and loading integrated machine for all-hydraulic tunneling |
| 07/11/2012 | CN102011596B Shield originating or receiving end tunnel portal maintenance process |
| 07/11/2012 | CN101963060B Tunnel construction method based on steel tube arch-rib supporting structure |
| 07/11/2012 | CN101943003B Shield construction system based on ground penetrating radar |
| 07/04/2012 | CN202300459U Convolution ventilating system of urban transportation tunnel |
| 07/04/2012 | CN202300418U 一种地下隧道的纵向疏散结构及地下隧道 Longitudinal evacuation structure and an underground tunnel underground tunnels |
| 07/04/2012 | CN202300417U 移动式设备装卸车平台 Mobile equipment loaders Platform |
| 07/04/2012 | CN202300416U 一种盾构机内的采石箱 Quarrying box inside a shield machine |
| 07/04/2012 | CN202300415U 一种用于土压盾构机的输送装置 A delivery device for earth pressure shield machine |
| 07/04/2012 | CN202300414U 一种掘进机机构 One kind of boring machine mechanism |
| 07/04/2012 | CN202300413U 一种正方形掘进机 One kind of square roadheader |
| 07/04/2012 | CN202300412U 泡沫发射装置 Foam-emitting device |
| 07/04/2012 | CN202300411U Triple-end cover composite fixed type double-edged hobbing cutter for shield machine |
| 07/04/2012 | CN202300410U 一种方便过站的盾构机托架 A convenient stop over the shield machine bracket |
| 07/04/2012 | CN202300409U 隧道开挖设备 Tunneling Equipment |
| 07/04/2012 | CN202300408U 滑移伸缩式破碎机构 Sliding telescopic broken bodies |
| 07/04/2012 | CN202300400U 掘进机装载机构 TBM loading mechanism |
| 07/04/2012 | CN202298708U 用于挖掘机上的钢刀 Excavator for steel knife on |
| 07/04/2012 | CN102536293A Two-line tunnel based on sharing of exhaust communication air passage and ventilation vertical shaft |
| 07/04/2012 | CN102536272A Duct piece carrying device for shield machine |
| 07/04/2012 | CN102536259A Soil-pressure-equalizing pipe-jacking mud-water converting device |
| 07/04/2012 | CN102536258A Highway tunnel maintenance car occupying no lane |
| 07/04/2012 | CN102536257A Double independent driving system for shield machine |
| 07/04/2012 | CN102536256A Cutter head structure of hard rock shield machine, used for mounting fixed hob with square bearing seats |
| 07/04/2012 | CN102536255A Multilevel stepped hole-expansion cutter head for shield machine |
| 07/04/2012 | CN102536254A Multistage-separation progressive shield cutter head |
| 07/04/2012 | CN102536253A Construction method of earth cabin back filling and cabin entering operation during earth pressure shielding |
| 07/04/2012 | CN102536252A Method for digging backward hole of tunnel with quite small clear distance |
| 07/04/2012 | CN102536251A Adjacent construction excavating method for upper and lower dual-layer tunnel |
| 07/04/2012 | CN102536250A Construction method for tunnels with karst and gas simultaneously |
| 07/04/2012 | CN102022120B Thrust shoe plank for shield machine |
| 07/04/2012 | CN101929341B Construction method for TBM synchronization lining |
| 07/04/2012 | CN101915105B United method for tunneling super-strong or strong rock burst hole section of TBM construction tunnel |
| 07/04/2012 | CN101915103B Safe pointing and safe distance real-time monitoring system |
| 07/04/2012 | CN101871349B Boring machine |
| 07/04/2012 | CN101839137B Rock drill bracket special for tunnel digging |
| 07/04/2012 | CN101737005B Drilling tool for sleeving anchor cable and construction method for sleeving anchor cable with simultaneous casing |
| 07/04/2012 | CN101696633B Construction method and equipment for cutting deep-buried structure with small-caliber drill tool |
| 07/04/2012 | CN101539023B Shield machine belt pressure chamber opening operation construction method |
| 07/03/2012 | US8210774 Guided boring machine and method |
| 07/03/2012 | CA2684423C Method of directing drilling pattern in curved tunnels, rock drilling rig, and software product |
| 06/28/2012 | WO2012086904A1 Method and related devices for carrying out tbm excavation and expansion blasting using a blast protector and a cart |
| 06/27/2012 | CN202284474U 盾构机用六臂刀盘的主驱动机构 TBM cutterhead with six arms of the main drive mechanism |
| 06/27/2012 | CN202284473U Transition installation structure for fixing cylindrical first knife at trapezoid shaft end of shield machine |
| 06/27/2012 | CN102518448A Tunnel grating system for changing speed perception of driver and method for controlling same |
| 06/27/2012 | CN102518447A Roadway layout method for controlling roadway floor heave |
| 06/27/2012 | CN102518446A Automatic deviation rectifying method of shield tunneling machine |
| 06/27/2012 | CN102518445A Laser-oriented control system and method for shield machine |
| 06/27/2012 | CN102518444A Simple treatment method for vertical frozen broken tube |
| 06/27/2012 | CN102518443A New special combined construction method for ultra-shallow earth covered special-shaped passage |
| 06/27/2012 | CN102518442A Method for processing isolated stone groups in shield excavation karren section |
| 06/27/2012 | CN102518441A Method for constructing karren stratum shield tunnel |
| 06/27/2012 | CN102518440A Tunnel digging equipment |
| 06/27/2012 | CN102518439A Method for constructing tunnel with uncovered hole section in middle |
| 06/27/2012 | CN102071689B Optimized construction method of static pressure pile close to existing tunnel |
| 06/27/2012 | CN101899980B Protective knife of shield machine scraper tool apron |
| 06/27/2012 | CN101363320B Top and guilder two-in-one tunnel boring machine |
| 06/21/2012 | WO2012044091A3 Device and method for constructing underground structure |
| 06/21/2012 | DE102007002399B4 Verfahren und Vorrichtung zur Herstellung einer verrohrten Strangbohrung Method and apparatus for producing a cased string bore |
| 06/20/2012 | CN202280461U 掘进机渣石清理装置 TBM slag stone cleaning device |
| 06/20/2012 | CN202280460U 用于低覆盖层高水压弱抗扰能力地层下的盾构机系统 TBM system for low pressure covering storey strata weak immunity under |
| 06/20/2012 | CN202280459U 盾构机用六臂刀盘 TBM cutterhead with six arms |
| 06/20/2012 | CN102505959A Direction adjustable loader for tunneling machine |
| 06/20/2012 | CN102505945A Construction method for enabling rectangular pipe jacking machine to enter into tunnel in existing building |
| 06/20/2012 | CN102501835A Supporting structure and engineering mechanism |
| 06/14/2012 | WO2012077941A2 Drain system of shield tunnel lining and method for constructing shield tunnel using same |