| 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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| 09/21/2011 | CN201982020U 一种复合旋切的采掘机 A composite veneer of mining machine |
| 09/21/2011 | CN102192273A Soil pressure balance shield machine hypocycloid speed reducer |
| 09/21/2011 | CN102191939A Test method for forming mud membrane by using slurry shield under high pressure |
| 09/21/2011 | CN102191938A Chengdu pebble stratum shield driving method |
| 09/21/2011 | CN101353965B Shield hole-drilling apparatus and hole-drilling construction method thereof |
| 09/14/2011 | CN201972714U 煤矿井下多功能搅拌装卸装置 Coal mine multifunction stirring handling device |
| 09/14/2011 | CN201972713U 双层壳体结构盾构机盾体装置 Double-shell structure Shield Machine body apparatus |
| 09/14/2011 | CN201972712U Shield propulsion oil cylinder arrangement mechanism suitable for installation of two kinds of indexing tunnel segments |
| 09/14/2011 | CN201972711U 软土地区超深基坑开挖对紧邻地铁隧道变形的控制装置 Super soft soil area deep excavation control device near subway tunnel deformation |
| 09/14/2011 | CN201972076U 自动仰拱栈桥 Auto inverted arch trestle |
| 09/14/2011 | CN102182467A Energy-saving installation method for disk-shaped hob and center hob |
| 09/14/2011 | CN102182466A Excavating method for jump-digging of double-side wall guide pit combined arch part of tunnel |
| 09/14/2011 | CN102182465A Tunnel-entering construction method for tunnel |
| 09/14/2011 | CN102182464A Construction structure and construction method of channel structure |
| 09/09/2011 | WO2011107955A1 Tunnel seismic while drilling signal processing and acquisition method |
| 09/09/2011 | WO2011107818A1 Method of cutting foundation elements in the ground |
| 09/07/2011 | CN201963313U 一种复合土通道 A composite soil Channel |
| 09/07/2011 | CN201963312U 一种用于凹凸不平地面行走的自动走行装置 An uneven walking surface means for automatic Traveling |
| 09/07/2011 | CN201963311U 自行步进式移动栈桥 Stepping own mobile trestle |
| 09/07/2011 | CN201963310U High-power planetary reducer of earth pressure balance shield machine |
| 09/07/2011 | CN201963309U 一种新型盾尾密封刷 A new shield tail brush |
| 09/07/2011 | CN201962596U 移动支撑装置 Moving the support means |
| 09/07/2011 | CN102174894A Follow-up pipe shed construction method |
| 09/07/2011 | CN102174893A Testing method for laying ballastless tracks in early stage before overall completion of super long tunnel |
| 09/07/2011 | CN102174790A Assembled tie for shield construction and construction method thereof |
| 09/07/2011 | CN101672182B Method for leading shield to pass through underground structure |
| 09/06/2011 | US8011698 Sealed tubular joint with plastic expansion and at least one inclined surface |
| 09/06/2011 | US8011447 Automated drill string position survey |
| 09/01/2011 | WO2011105342A1 Jacking pipe cushioning material, and jacking pipe |
| 08/31/2011 | CN201953382U Tunnel structure with hollow partition wall |
| 08/31/2011 | CN201953381U Shield machine receiving platform |
| 08/31/2011 | CN102168566A Method for energy-saving assembly of transition disc cutter |
| 08/31/2011 | CN102168565A Soil reinforcing method for realizing normal-pressure cabin opening of shield machine |
| 08/31/2011 | CN102168564A Reconstruction and recovery technology for upright mine and vertical mine shafts after catastrophic collapse |
| 08/31/2011 | CN102168563A Static pressure jack-in method of pipe sheds or small ducts |
| 08/31/2011 | CN102168562A Control system for tunnel stratum loss and grouting simulation in centrifugal field |
| 08/31/2011 | CN102168560A Displacement crosscut coal uncovering method |
| 08/31/2011 | CN101769415B Automatic grease injection device of shield machine segment conveyor |
| 08/31/2011 | CN101718200B Shield cutter rotary drive pressure adapting hydraulic control system of proportional valve controlled energy accumulator |
| 08/31/2011 | CN101705825B Transport method and equipment in super-large diameter shield method tunnel construction |
| 08/31/2011 | CN101539021B Road tunnel excavation method |
| 08/31/2011 | CN101457646B Balancing arrangement method on cutterhead for positive hobbing cutter and transition hobbing cutter |
| 08/24/2011 | CN201943709U 用于掘进机的带四连杆浮动机构的运输机 Boring machine for transport links with four floating bodies |
| 08/24/2011 | CN201943708U 高突矿井煤巷半煤岩巷掘进用防突钻挖装机 Semi high outburst coal mine coal roadway rock heading installed with anti-sudden drilling |
| 08/24/2011 | CN201943707U 盾构机的切削刀片结构 Shield machine cutting blade structure |
| 08/24/2011 | CN201943706U 用于盾构推进系统试验的地层模拟液压多模式加载装置 Shield formation propulsion system test for multi-mode simulation of hydraulic loading device |
| 08/24/2011 | CN201943705U 一种盾构机用添加剂注入口保护装置 One kind of shield machine additive injection port protection devices |
| 08/24/2011 | CN102162364A Layout method for underground dense-medium shallow-slot coal preparation in coal mine |
| 08/24/2011 | CN102162363A Adjustable mini underground pipeline tunneling cutter head |
| 08/24/2011 | CN102162362A Self-traveling mini underground pipeline tunneling machine |
| 08/24/2011 | CN102162361A Mechanically-driven hard-rock double-head tunneling machine |
| 08/18/2011 | US20110198914 Method and device for working rock |
| 08/17/2011 | CN1696415B Process and apparatus for producing an immersed tunnel on subsea ground |
| 08/17/2011 | CN102155239A Ground stress release method for high ground stress soft rock tunnel positive step excavation |
| 08/17/2011 | CN102155238A Exchangeable blade type center cutter for shield machine |
| 08/17/2011 | CN102155237A Device for exchanging tail brush during shield tunneling, and construction method of device |
| 08/17/2011 | CN102155236A Shield starting counter-force base |
| 08/17/2011 | CN102155235A Method for constructing large through tower in mountain rock mass and section superposing method thereof |
| 08/17/2011 | CN102155234A Excavation construction method for unsymmetrical small-space tunnel |
| 08/17/2011 | CN102155233A Tunnel excavation construction method |
| 08/17/2011 | CN102155232A Construction method of large-span asymmetrical double-arch railway tunnel under terrain bias pressure condition |
| 08/17/2011 | CN102155231A Quick feedback analyzing system in tunnel constructing process |
| 08/17/2011 | CN102155230A Tunnel curve segment lofting method based on circle coordinates |
| 08/17/2011 | CN102155229A Mining wall cleaner |
| 08/17/2011 | CN102155219A Comprehensive dredging machine |
| 08/17/2011 | CN102155030A Excavator for top excavation |
| 08/17/2011 | CN102154985A Guide shield for pushing rectangular concrete frame bridge |
| 08/17/2011 | CN101666233B Turning-over working method of shield machine barrel |
| 08/17/2011 | CN101532386B Method and device for underpinning antifriction separator for shallow underground space construction |
| 08/10/2011 | CN201924940U 一种盾构机同步注浆清洗装置 One kind of shield machine Grout cleaning device |
| 08/10/2011 | CN201924939U 一种新型盾构机滚刀 A new shield machine hob |
| 08/10/2011 | CN201924938U 一种可辅助自控姿态的盾构机 One kind of attitude can be controlled auxiliary shield machine |
| 08/10/2011 | CN201924937U 盾构施工用地面高程点安装板 Shield construction with ground elevation point mounting plate |
| 08/10/2011 | CN201924936U 一种盾尾密封刷增加u型挡卡的防脱落结构 A shield tail brush structure to increase the anti-u-block off cards |
| 08/10/2011 | CN201924935U 一种盾尾密封刷丝组的加固结构 A shield tail wire brush reinforcement structure group |
| 08/10/2011 | CN201924934U 一种盾尾密封刷增加夹丝箍的固定结构 One kind of shield tail clip wire brush to increase hoop fixed structure |
| 08/10/2011 | CN201924933U 盾构机用推力靴板 Shield machine boots with the thrust plate |
| 08/10/2011 | CN201924931U 可拆式液压扒装机 Detachable hydraulic picking machines |
| 08/10/2011 | CN201924930U 掘进机可调整装载机构 TBM adjustable loading mechanism |
| 08/10/2011 | CN201924924U 一种掘进机及其截割机构 One kind of boring machines and cutting mechanism |
| 08/10/2011 | CN201924923U 一种掘进机及其悬臂工作机构 One kind of boring machine and its working bodies boom |
| 08/10/2011 | CN102146795A Explosive shield machine |
| 08/10/2011 | CN102146793A Tunneller and cutting mechanism thereof |
| 08/10/2011 | CN101761342B Resistance-enhancing component on periphery of barrel body of self-drive excavating machine |
| 08/10/2011 | CN101737060B Beneath-soil through-tunnel superlarge diameter pipe curtain construction method |
| 08/10/2011 | CN101737056B Deep stope automatic lane forming method |
| 08/10/2011 | CN101265713B Inner tube water cellar applied system and its building equipment |
| 08/04/2011 | WO2011093777A1 Method and device for working rock |
| 08/04/2011 | WO2011092964A1 Bit-replacing device for excavator |
| 08/04/2011 | CA2786925A1 Method and device for working rock |
| 08/03/2011 | CN201915969U 一种装运机构及掘进机 One kind of shipping agencies and boring machines |
| 08/03/2011 | CN201915968U 掘进机 Boring Machine |
| 08/03/2011 | CN201915967U 一种凿岩机械与管棚锚杆连接器 One kind of drilling machines and pipe roof bolt connector |
| 08/03/2011 | CN201915826U 一种钻进系统及钻进设备 One kind of drilling systems and drilling equipment |
| 08/03/2011 | CN102140924A Double-shell coupling supporting method of deep soft rock tunnel |
| 08/03/2011 | CN102140918A Loess tunnel construction method |
| 08/03/2011 | CN101963061B Construction method for underground box culvert of existing railway line |
| 07/28/2011 | WO2011089227A1 Improvement in media editing |
| 07/28/2011 | DE102010006824B3 Verfahren zur grabenlosen Verlegung von Rohrleitungen Method for grave loose laying of pipelines |
| 07/27/2011 | CN201908662U Connecting bridge of shield machine |